Data repository items for Runkel, A.C., Miller, J.F ... · 5/8/9 3/2. 2/1. 2/1 G l a u c o n i t e...

C r

nearshore marine

nearshore nonmarine

100%

0 trace-10%10-40%>40%

FACIES ASSOCIATIONS FACIES (See Runkel and others, 1998, for more detailed descriptions)

offshore siliciclastic

SHALE GLAUCONITE

"offshore" subtidal carbonate

peritidal to subtidal carbonate

intraclastssilica-cemented sandstone intraclastsgraptolite

partial core loss

linguliform brachiopods

= iron-rich*Fe biostratigraphic control points

microbialite

Natural G amma-ray Log

Increas ing counts

Ap AphelaspisDu DunderbergiaE l Elvinia

C o Conaspsis

P t Ptychaspsis

P r ProsaukiaP t-P r Ptychaspis-ProsaukiaIp Illaenurus priscus

C r Crepicephalus

E o* Eoorthis* (Brachiopod)P pa Parabolinoides palatusMn Maustonia nasutaT a Taenicephalus altusT ae TaenicephalusS -P S. oweni-Psalaspis

P g Ptychaspsis granulosaP s Ptychaspsis striata

Oo Osceolia osceolaUD Upper DikelocephalusC a CalvinellaS al "Saukiella"S asz SaukiaE a? Eurekia apopsis?Mt Missisquoia typicalisS w Symphysurina woosteri

Im Irvingella major

C e Cedaria

TRILOBITE (and brachiopod*) ZONE/SUBZONECONODONT ZONE/SUBZONE

R m Rossodus manitouensis

Ia Iapetognathus C l Cordylodus lindstromiC h Clavohamulus hintzei

C i Cordylodus intermediusHs Hirsutodontus simplex

C e Clavohamulus elongatusF i Fryxellodontus inornatusHh Hirsutodontus hirsutusC m Cambrooistodus minutusE n Eoconodontus notchpeakensisE EoconodontusP m Proconodontus muelleri

P t Proconodontus tenuiserratusP p Proconodontus posterocostatus

C p Cordylodus proavus

C a Cordylodus angulatus

F i

LE G E ND T O S T R AT IG R AP HIC C OLUMNS

See Figure 5 for relative ages ofall biozones

221146 (well identifier)

Grain Sizesh sl vf f cm

sh=shales l=s iltvf=very-finef=fine

c=coarse=pebbles

=cobbles-boulders

m=medium

1- S hale, s ils tone, very fine grained sandstone with small scale HC S2- V ery fine grained sandstone with small to medium scale HC S ; s ilts tone/shale caps3- F ine to very fine grained sandstone with amalgamated HC S and S C S

4- fine to coarse-grained sandstone , trough to planar cross-strata; common skolithos5- fine to coarse-grained sandstone, planar-tabular cross-strata; shale drapes ;

6- fine to coarse-grained, cross-stratified sandstone, includes adhes ion structures , "pinstripe" laminae;

7- S hale with subordinate dolomudstone to dolograinstone, HC S , graded beds common; intraclastic.

8- Dolowackestones to grainstones with subordinate shale; HC S , graded beds ; intraclastic.

9- intraclastic, oolitic, dolostone with dess ication cracks ; variably sandy and with sandstone interbeds

S i

Data repository items for Runkel, A.C., Miller, J.F., McKay, R.M., Palmer, A.R., and Taylor, J.F., High Resolution Sequence Stratigraphy of Lower Paleozoic Sheet Sandstones in Central North America: The Role of “Special Conditions” of Cratonic Interiors in Development of Stratal Architecture This supplement contains primary data that support the stratigraphic cross-sections in Figures 6 and 7. Included are stratigraphic columns, fossil collection information, borehole natural gamma-ray logs, and associated locality information.

Number above each stratigraphic column refers to control point numbers on location maps (Figs. 1, DR1) and on cross sections (Figs. 6, 7)

JHammann

Text Box

GSA Data Repository item 2007136

(Nel

son

, 194

9;n

ort

h

of F

ish

Hat

cher

y)

Eo (Berg, 1951 unit 3)Eo (Berg, 1951 unit 4)

El (Nelson, 1949)

El (Nelson, 1949 )

Cr (Nelson, 1949)

(Berg, 1951 unit 5)Mn

(Berg, 1951 unit 7)

TaTaTa

TaTa

Ta

(Berg, 1951 unit 6)Mn

Mn

covered

Tunn

el C

ity

Gp

Won

ewoc

Ss

(Ber

g, 1

951;

1954

; Tay

lors

Fal

ls)

(Nel

son

, 194

9;Pi

ne

Poin

t Tra

il)

80

100

0

20

40

60

30feet meters

4/5

2/3

2/3

7/2

3/4

3/4

minor 2

Mill St. Conglomerate

Glau

coni

te

(Taylors Falls, Minnesota area)1

sh sl vf f cm

El (Berg, 1951 unit 5)

El (Berg, 1951 unit 6)

Mn (Berg, 1951 unit 14)Mn (Berg, 1951 unit 16)

Ta (Berg, 1951 unit 18)

Ta (Berg, 1951 unit 22)

covered

Tunn

el C

ity

Gp

Won

ewoc

Ss

(Ber

g, 1

951;

1954

; Fra

nco

nia

)

80

100

0

20

40

60

30feet meters

3

4

4/5

3/2

3/4

2

Glau

coni

te

sh sl vf f cm

(Franconia, Minnesota area)2

Oo (Nelson, 1956)

Oo(Nelson, 1956)

Oo (Nelson 1956)Oo (Nelson, 1956))

Pr (Nelson, 1949)

Pm(minus 12.5m)

Rm(2.8 & 3.5m)Ca (0.8 &1.8m)

Pm(0.5m)

Jord

an S

sSt

Law

renc

e Fm

Tunn

el C

ity

Gp

Oneo

ta D

olom

ite

(Hug

hes a

nd H

esse

lbo,

199

7)(T

his

stu

dy)

80

100

0

20

40

60

30feet meters

2/3

2/3

3

4

4

Si5/8/9

3/2

2/1

2/1

Glau

coni

te

sh sl vf f cm

(Osceola, Wisconsin)3

516404

Quaternary deposits

Jordan Sandstone

covered

Jord

an S

sSt

Law

renc

e Fm

Oneo

ta D

olom

ite

Gam

ma

only

(R

un

kel,

1994

b; s

ecti

on 1

)80

100

0

20

40

60

30feet meters

2/3

3

4/5

8/2

2

2

2/1

Natural Gamma-ray Log

increasing counts

gla

uco

nit

e

Si

sh sl vf f cm

(Osceola SW, Minnesota)

4

Oo (Nelson 1956)

Oo (Nelson 1956)

covered

Jord

an S

and

ston

eOn

eota

Dol

omite

St La

w. Fm

Tunn

el C

ity G

p

(Nel

son

, 195

6)G

amm

a on

ly

80

100

0

20

40

60

30feet meters

2/7

2/3

2/3

2/3

2/1

4

4/3

3/4

3/4

8/2?

2

2


increasing counts475354

Glau

coni

te

(Soo Drawbridge, Minnesota)5

sh sl vf f cm

S -P (B erg, 1951 unit 2)



P r (B erg, 1951 unit 7)P r (B erg, 1951 unit 7)

122050

covered

covered

Jord

an S

ands

tone

One

ota

Dol

omite

St L

awre

nce

FmT

unne

l City

Gp

(Be

rg,

19

51

;19

54

; C

op

as)

(MG

S u

np

ub

lish

ed

se

ctio

n)

Ga

mm

a o

nly

80

100

0

20

40

60

30feet meters

2/7

2/3

3

3

3/2

3/2

4

4

4/3

4/5

8/2?5?

3/4

3/4

3/2/4

2

2


increas ing counts

covered

coveredcovered

Gla

ucon

ite

(Copas, Minnesota)6

sh s l vf f cm



T a (B erg, 1951 unit 1)

P r (B erg, 1951 unit 11)



617245(cuttings set MG S 3903)

Quaternary deposits

J ordan S andstone

covered

covered

Jord

an S

SSt

Law

. Fm

Tun

nel C

ity G

pW

onew

oc S

s

UD(Nelson, 1949)

(Be

rg,

19

51

;19

54

; M

ari

ne

)

(Ne

lso

n,

19

49

; M

ari

ne

an

d M

GS

un

pu

blis

he

d s

ect

ion

) G

am

ma

an

d c

utt

ing

s o

nly

G

am

ma

on

ly

Ga

mm

a/c

utt

ing

s o

nly

80

100

0

20

40

60

30feet meters

2/3

3

4

3

4

4

4

2/7

2/7

3/4

3/2

3/4

3/? 4

3/4

3/? 4

2/3

2/3

2/3

2/3/4

2

2

2/1


increas ing counts

Gla

uc

on

ite

(Marine, Minnesota)7

sh s l vf f cm

Pt (Berg, 1951 unit 2) S-P (Berg, 1951 unit 1)S-P (Berg, 1951 unit 1)

S-P (Berg, 1951 unit 1)

Pr (Berg, 1951 unit 4)

Oo (Nelson, 1956)

698228

Quaternary deposits

Jordan Sandstone

cove

red

Jord

an S

SSt

Law

. Fm

Tunn

el C

ity

Gp

Won

ewoc

Ss

(Ber

g, 1

951;

1954

; Arc

ola

)

(Nel

son

, 194

9; 1

956;

Arc

ola

) G

amm

a on

ly

Gam

ma

only

80

100

0

20

40

60

30feet meters

3/4

3

3

2

33(4?)

3(4?)

4

2/7

3/4

3/2

3/2

2/3

7/2

3/4

3/4

4/3

2/3

2

2

2/1


increasing counts

Glau

coni

te

(Arcola, Minnesota ) 8

sh sl vf f cm

cove

red

cove

red

One

ota

Dol

omite

Jord

an S

and

ston

eSt

Law

. Fm

Tun

nel

Cit

y G

p

(Ru

nke

l, 19

94b,

Sec

tio

n 2

)

80

100

0

20

40

60

30feet meters

8/5/2?

3/4

3/44

4

4

3

2/1

7/2

3/4

2

2

2


increasing counts

448708G

amm

a on

ly

Gam

ma

only

Glau

coni

te

(Lookout Point, Minnesota)9

sh sl vf f cm

Ca

Sal

UD

Ip?

Ap (5.4 & 6.3m)

Ap (1.5 & 2.5m)

Cr

Cr

Cr(0.0 to 0.15m)Ap(0.15 to 0.3m)

471460

208791(Nelson, 1949; and i.d.'srevised by Palmer thisstudy, 10.1 m)

(Nelson, 1949, Boom Hollow, p. 58)

(Berg and others1956, Stillwater)

(Nelson, 1949)

(Nelson, 1949)

One

ota

Dol

omite

Jord

an S

and

ston

eSt

Law

renc

e Fm

Tunn

el C

ity

Gp

Won

ewoc

Ss

Eau

Cla

ire F

mM

t Sim

on S

s

Litt

le F

alls

Dam

(N

elso

n, 1

949;

th

is s

tud

y)(g

amm

a and

cutti

ngs)

(Nel

son

, 194

9; 1

956;

Bo

om

Ho

llow

)

(Ru

nke

l, 19

94b,

Sec

tio

n 3

) (g

amm

a an

d c

utt

ing

s)

80

100

0

20

40

60

30feet meters

4/5

7/8?

3/4

4

43

4

1/2

2/72/33/4

2/3

3/4

3/4

4/5/2

4

4

2

3

3

2


increasing counts

covered

covered

2

33/2

2/3

7/2

3/4

3/4

4/5

3/4

4/3

2/3

2/3

Glau

coni

te

(Stillwater, Minnesota area)10

sh sl vf f cm

Pr

Pr

Pt

PtPtPgS-PS-PS-PCo

El

(Berg, 1951 unit 23)





(Berg, 1951 unit 13)(Berg, 1951 unit 12)

covered

Tunn

el C

ity

Gp

Won

ewoc

Ss

(Ber

g, 1

951;

1954

; Hu

dso

n)

3

2

33/2

2/3

7/2

3/4

3/4

4/5

3/4

4/32/3

2/3

covered

80

100

0

20

40

60

30feet meters

208791


increasing counts

Glau

coni

te

(Hudson, Wisconsin)11

sh sl vf f cm

(Inaccessible)

Ca

UD

Ca

Oo

Ip/Oo

Pr

Pr

(minus 2.5m)

E (10.2m)E (8.7m)

En (3.0m)En (4.5m)

Pm (1.5m)Pm (0.6m)

453239

(Berg, 1951 unit 5)

(Berg, 1951 unit 1)

(Nelson,1956)

(Nelson, 1956)

( Nelson, 1956)

(Nelson, 1956)

One

ota

Dol

omite

Jord

an S

and

ston

eSt

Law

renc

e Fm

Tunn

el C

ity

Gp

(Ber

g, 1

951;

1954

; Aft

on

)

(Hu

gh

es a

nd

Hes

selb

o 1

997;

Nel

son

, 194

9; 1

956

Aft

on

)

(Ru

nke

l, 19

94b,

Sec

tio

n 4

)

80

100

0

20

40

60

30feet meters

7/8?

4

2

2

2

4

2/7

3/4

2/3

2/3


increasing counts

2/1

3/2

3/2

3/2

Glau

coni

te

(Afton, Minnesota)12

sh sl vf f cm


185810

4/5

4

4

7/2/8

2

2/7

2/3

3/2

2/3

2/7

2

2

5/4

2/34

3/2

4

4

1

1

2

2

2

5/4/3

3

3

AC-1

core

loss

BC-1

sha

leGl

auco

nite

Dept

h (ft

)

(BC-1 and AC-1, Minnesota Cores)13

*Fe (siderite)

sh sl vf f cm

Increasing counts

460

440

460

480

500

620

600

580

560

540

520

720

760

780

800

820

840

860

740

700

680

660

640

One

ota

Dol

omite

Jord

an S

and

ston

eSt

Law

ren

ce F

mTu

nnel

Cit

y G

pW

onew

oc S

SEa

u C

laire

Fm

Mt S

imon

Ss

EEEE

Pm

Rm

Cr

Cr

CrCrCeCe

Ap/DuApApAp

Du(AC-1, 804' 10")

Du(AC-1, 788' 3.5")

Pt?PtPtPtPt

Pr

Con

(AC-1 445' 8")

(548' 10")(541' 3" & 544' 4")

(551' 2")(554' 8")

(564' 10")

(650' 11" & AC-1, 686' 8")

(AC-1, 660' 6" & 661' 2")

(659' 11" & AC-1 691' 0" )(667' 0")

(684' 6" & 684' 9")

(785' 3.5" & 794' 0" & 796' 4" & 798' 6"& AC-1, 828' 7" & 829' 8.5")

(799' 0" & AC-1, 830' 2.5")

(822' 1.5")

(832' 11.5" & 833' 9")

(836' 3.7" & 836' 7" & 839' 6" & 844' 3" & AC-1, 869' 6.5")

Sw (Red Wing High School, 3.0m)

UD (Nelson, 1956)

Sal (Nelson, 1956)

601313O

neot

a D

olom

iteJo

rdan

San

dst

one

St La

wre

nce F

mLo

ne

Ro

ck F

m

Nel

son

, 195

6 R

ed W

ing

)(B

yers

an

d D

ott

, 199

5; R

ed W

ing

)

80

100

0

20

40

60

30feet meters

2/5/9

2/8/9

4

8

4/5

2

2/7


increasing counts

2/1

3/2

3

Glau

coni

te sh sl vf f cm

(Red Wing, Minnesota)14

Gla

uco

nit

e

(Lake City, Minnesota area)15

sh sl vf f cm

Pg (Berg, 1951; Reeds unit 3)

Pg (Berg, 1954; Maple Springs)Pg (Berg, 1951; Reeds unit 5)

Ps (Berg, 1954 Maple Springs)Ps (Berg, 1954 Maple Springs)

Pr (Berg, 1954 Lake City)

El (Berg, 1951; Reeds unit 1)

UD (Nelson, 1956)

Sal (Nelson, 1956)

518703

250077

One

ota

Dol

omite

Jord

an S

and

ston

eSt

Law

renc

e Fm

Lone

Roc

k Fm

Won

ewoc

SS

(Ber

g, 1

951;

1954

; R

eed

s La

nd

ing

)

(Ber

g, 1

954;

M

aple

Sp

rin

gs)(B

erg,

195

4; L

ake

Cit

y)

(Nel

son

, 195

6, B

erg

et

al.,

1956

,Lak

e C

ity)

(Gam

ma

log

on

ly)

(gam

ma

on

ly )

80

100

0

20

40

60

30feet meters

8/5/9

3/4

3/4

4

4

3

3

2/3

3/2

2

2/7

2/7

2/1

2/1

2


increasing counts

covered

covered

covered4/5

(Sta

uffe

r, 194

0; S

tauf

fer

and

The

il, 19

41)

Jord

an S

and

ston

e80

100

0

20

40

60

30feet meters

4

Sal (Upper 10.0m of Jordan Ss; Stauffer, 1940; revised identifications and biostratigraphic interpretation, this study. ) Gl

auco

nite

(Van Oser Creek, Minnesota area)16

sh sl vf f cm


4/5

4

7/8/2

2

2/7

2/7

2

1

4/5

1

3/2

3/2

3/2

4

4

2

2

4

3

3

L65-2

L65-1

sha

le Gla

uco

nit

e

Dept

h(ft)

235526

*Fe (pyrite)

Increasing counts

sh sl vf f cm

*Fe (pyrite ooids)

(Lonsdale, Minnesota cores)17

620

600

580

560

540

300

320

340

260

280

360

380

420

400

740

780

800

820

760

720

700

680

660

640

On

eota

Do

lom

ite

Jord

an S

and

sto

ne

St L

awre

nce

Fm

Lon

e R

ock

Fm

Mt

Sim

on

Ss

Ea

u C

lair

e F

mW

on

ewo

c Ss

E (423'0")

Pm (441'0")

Cr?(772'5")Cr(774'8" & 775'10")

Ce(810'8")Ce(799'8" & 801'3")

Ap/Du(757'9")Ap/Du(752'9")

Ap(760'2")Ap(764'5")Ap(768'4")

4/5

4

8

2/3/7

2/3

2/7

2/7

1

Nor

th M

anka

to2.

3 an

d 4.

2 km

eas

t of J

udso

nJu

dson

Brid

ge

80

100

0

20

40

60

30feet meters

sha

leGl

auco

nite

sh sl vf f cm

One

ota

Dol

omite

Jord

an S

and

ston

eSt

Law

ren

ce F

mLo

ne R

ock

Fm

Pm (minus 2.5)

Cm (Judson 4.2; 0.0m)

RmRm

Hh (Judson 4.2 0.0m)

Fi (Judson 4.2: 1.0m)Mt(Judson 4.2: 0.8m)

Sal(upper)(Judson 2.3; 0.6m)

(1.0 to 2.0m)

Ea?( Float)

(Judson-Mankato, Minnesota area)18


4/5

4

8/7/4

2

7/2

2/7

2

1

4/5

1

2

3/2

3/2

4

2/3

2

4

4/3/2

3

3

Will-4

Prehn-3

Dept

h(ft)

sha

leGl

auco

nite

229953

229953

229954

sh sl vf f cm

Increasing counts

*Fe

*Fe (ooids)

(ooids)

(Waseca County, Minnesota cores)19

380

400

420

440

460

620

600

580

560

540

520

500

480

800

840

860

880

900

820

780

700

680

660

640

On

eota

Do

lom

ite

Jord

an S

and

sto

ne

St L

awre

nce

Fm

Lon

e R

ock

Fm

Wo

new

oc

SSEa

u C

lair

e Fm

Mt

Sim

on

SS

Ce

Rm(368' 11")

CpFi(478' 0")"likely" Fi (480' 8")Hh

Mt (474' 1" to 474'8 ")Mt (478' 1" to 478'10")

HhHhCmCmCmEnEnEnEnEnEnEn

Pp

Pp

Pt

Cr

Cr

Cr

Ce

Ap

Ap

Ap

El (Will-4, 759', 2")

Ap

(4 levels: 467' 7" to 474' 3")

(483' 0", 488' 0", 493' 3")

(500' 0", 503' 3", 506' 5")

(515' 7")(520' 10")(525' 2")

(529' 3", 533' 5")

(549' 5")

(575' 0")

(587' 5")

(545' 4")(537' 4")

/Du (Mel-1, 830' 10")

/Du (Mel-1, 846' 3" )

(Mel-1, 861' 6")(Mel-1, 866' 0", Will-4 845' 4")

(Will-4 838' 0", 839' 10.5")

(Will-4 853' 8")

(Will-4 865' 1")

(Mel-1 936' 6" & 936' 10")

4/5

8/7/2

2

2

4

8/7

2/7

7/2

2

3/2

4/5

3/2

2

1

2

3

2

1

2

4/2

3

3


?

Dept

h(ft)

sha

leGl

auco

nite

223082sh sl vf f cm

Increasing counts

*Fe (Fe carbs)

(H-1-A, Hollandale, Minnesota core)20

880

900

920

940

960

980

1000

1020

1180

1160

1140

1120

1100

1080

1060

1040

1300

1320

1340

1360

1400

1420

1440

1380

1280

1260

1240

1220

1200

On

eota

Do

lom

ite

Jord

an S

and

sto

ne

St L

awre

nce

Fm

Lon

e R

ock

Fm

Wo

new

oc

SSEa

u C

lair

e Fm

Mt S

imon

SS

Cm(1005')

E(1033')E(1026' 5")

E(1014')

Pm?(1047')

Cr(1401' 6")

Cr(1288' 8")

Cr (1283')

Ap

Ap

Du(1234' 11")

Cr

Ce (1443'&1458' 1"-3")

(Four levels:1266' 11" to 1274'))

(1279' 8"&1279' 10")

5

8/7/2

2

4

3

2

1

1/2

7/2

2

2

7/2

7/2

4/3

4/5

3

2

2/3

2

7

1

4

3

On

eota

Do

l.

Dept

h(ft)

sha

leGl

auco

nite Natural Gamma-ray Log

221146

221150

221146

Jord

an S

and

sto

ne

St L

awre

nce

Fm

Lon

e R

ock

Fm

Wo

new

oc

SSEa

u C

lair

e Fm

Mt Simon Ss

Schroeder-5

Schroeder-1

(Faribault County, Minnesota cores)

21*Fe (pyrite)

*Fe (pyrite)

*Fe (pyrite)

*Fe (pyrite & hematite)

sh sl vf f cmIncreasing counts

660

680

700

720

760

780

800

820

840

860

880

900

920

940

960

980

1000

740

640

620

600

580

560

540

1160

1140

1120

1100

1080

1060

1040

1020

Rm(537' 7")

Ch/HsCh/HsCh/Hs

HsHs

HsHsHsHsCeCeCeCeFiFiHhCmCmCmEn

En

Pm

PtPt

Pt-Pr (favors Pr) (WL-4, 856' 0")

Ap/Du (WL-4, 973' 5")

Ap (WL-4, 980' 5")Ap (WL-4, 982' & 982' 11.5")

Cr(WL-4, 1084' 7")

Cr (WL-4, 1114' 9.5")

Cr (WL-4, 1126' 1")Cr(WL-4, 1128' 11")

Ce(Badge, 1328' 5" and 1330' 0")

Pt-Pr

Ip

Pt

(586' 10.5" to 587' 4.5")(587' 9" to 588' 1.5")(588' 2" to 588' 5")

(634' 6" to 634' 8")(635' 3" to 635' 9")

(646' & 650'))

(652' 10" to 653' 5" & 658' 9" to 659' 3")

(662' 0" to 662' 6" & 666' 0" to 666' 5")

(672' 3" to 672' 5" )(678' 5" to 678' 11")

(690' 0" to 690' 5")(693' 3" to 693' 8" & 696')(703' 11" to 704' 1")(708' 1" to 708' 5")(717' 6" to 718' 0")(724' 6" to 724' 10")

(731' 9" to 732' 0" &734' 9" to 735' 9")(742' 2" to 742' 5")

(King-1, 765' 4")

(684' 2.5" to 684' 7" & 688')

(favors Pr)(814' 8")

8

4

4

3/4

2/3

2

2/1

1/2

2

2

2

2

43

3

3

7

7

8

8

8

8

8

8

4/5

3/2

1

3/4

3/4

Dept

h(ft)

sha

leGl

auco

nite

11749

(Peterson Core, Iowa)22

*Fe (pyrite)

*Fe (pyrite)



2/3

2/3

*Fe (pyrite)

One

ota

Dol

omite

Jord

an S

and

ston

eSt

Law

ren

ce F

mLo

ne R

ock

Fm

1560

1580

1600

1620

1640

1760

1740

1720

1700

1680

1660

1860

1920

1940

1960

1980

2000

2020

2040

2060

2080

1880

1840

1820

1800

1780

Wonewoc Ss

Bonn

eter

re/E

au C

laire

Mt S

imon

Ss

Ap (1959' 0")

El (1842' 0")

Pt? (1793' 0")

Cl or Ia?(1593' 5")

Cl (upper) or Ia (1621' 4")

Ci (likely Ch) (1631' 6")

Ci(1642' 0")

E(1682' 6"-1683' 0")

Pp (1724' 0"-1725' 0")

Hh (1675' 4"-1675' 8")

2

4/5

7

7

5

8

8

8

21

1

Dept

h(ft)

sha

leGl

auco

nite

(Quimby Core, Iowa)23

sh sl vf f cm

*Fe (oolites)

1320

1340

1360

1380

1500

1480

1460

1440

1420

1400

1600

1640

1620

1580

1560

1540

1520

One

ota

Dol

omite

Jord

an S

and

ston

eS

t La

wre

nce

Fm

Dav

is F

mBo

nnet

erre

Mt S

imon

Ss

Rm(1312' 5")

CeCeCe

Ce(1346' 9")

Ce(1363' 0")

Cp(1372' 8.5")

Cp(1392' 7")

Pp(1402' 6.6")

El(1541' 9")

Co(1507' 6.5")

Ce(1621' 5")

Du(1558' 8") Ap(1564' 7" and 1565' 1")

(four levels:1322' 5" to 1336' 0")

7

4

3/22

1/2

8/1

2/34

8/7

Dept

h(ft)

sha

leGl

auco

nite

25498

*Fe (pyrite)

sh sl vf f cm

Increasing counts(Camp Quest Core, Iowa)

24

840

860

880

900

1020

1000

980

960

940

920

780

800

820

1040

St P

eter

Ss

St

La

wre

nc

e

Dav

is F

m

Wonewoc Ss

Bonn

eter

reM

t Sim

on S

s


Ap/Du (941' 3" to 941' 4")


1/7

7/2

7

7

3/4

3/4

4/3/24/5

1

2

Dept

h(ft)

sha

leGl

auco

nite

*Fe (ooids)


R20-2002-01

720

760

780

800

820

840

860

880

900

740

700

Dav

is F

mSt

Pet

er ss

Wo

ne

wo

c Ss

Eau

Cla

ire F

mBo

nnet

erre

/M

t Sim

on S

s

Ip(725' 0")

Co(741' 0" & 742'0"))

Ap(822' 0")

Ip(706' 0")

(R20-2002-01 Core, South Dakota)25

Pr (Berg, 1951; unit 9; Horseshoe Bluff )



Pr (Berg, 1951; unit 3; Cooley Hill)

Pt (Berg, 1951; unit 3; Cooley Hill)

Co (Mn)(Berg, 1951; unit 1; Cooley Hill)

Co (Eo) (Berg, 1951; unit 3; Horseshoe Bluff )Im (Berg, 1951; unit 3; Horseshoe Bluff )El (Berg, 1951; unit 1; Horseshoe Bluff )

Glau

coni

te

(Horseshoe Bluff, Cooley Hill, Wisconsin)26

sh sl vf f cmTu

nnel

Cit

y G

pW

on

ewo

c Ss

(Ber

g,, 1

951

1954

; Coo

ley

Hill

)(B

erg,

, 195

1 19

54;

Hor

sesh

oe B

luff

)(B

erg,

, 195

1 19

54;

Hor

sesh

oe B

luff

)

80

100 30

0

20

40

60

feet meters

covered

covered

covered

covered

4

3/2

3/2

3/4

3/4

4/?3

2

fauna and facies from "float" blocks

Pr (Berg, 1951; unit 5)

Pt (Berg, 1951; unit 5)

Co(Ta) (Berg, 1951; unit 5)

Im (Berg, 1951; unit 4)El (Berg, 1951; unit 2)

UD (Nelson, 1956 Lodi)




Oo (Nelson, 1956 Lodi, Madison)

Tunn

el C

ity

Gp

Won

ewoc

Ss

Eau

Cla

ire F

m

Mt S

imon

Ss

(Do

tt e

t al

., 19

86:D

ells

are

a)

(Asw

aser

eele

rt, 2

005)

(Ber

g,, 1

951

1954

; Fri

end

ship

Mou

nd

)

80

100 30

0

20

40

60

feet meters

covered

covered

4

4/5

?4/5?

?3/4/5?

?3/4/5?

2/3

6

2

E (Madison, upper Sunset Pt mbr.)

St L

aw. F

mO

neot

a D

olom

iteJo

rdan

San

dsto

ne

(Nel

son

, 195

6;

Twen

ho

fel e

t al

., 19

35; M

adis

on

, Lo

di)

(Od

om

, 197

8, p

.101

; an

d B

yers

an

d D

ott

, 199

5; S

un

set

Poin

t)2/3

2/1

2/3?

7/1

7/1

4

7/23/2

Glau

coni

te

(Friendship Mound, Lodi, Madison, Dells area, Wisconsin)27

sh sl vf f cm

5/4/9

Sasz (Hughes and Hesselbo, 1997)

Oo (Nelson, 1956)

Ca or Rm (Parsons and Clark, 1999; Miller's Curve locale)

Pp(0.3 and minus 0.1m)

St L

awre

nce

FmO

neot

a Do

lom

iteTu

nnel

Cit

y G

p

(Ber

g, 1

951,

19

54; B

lack

Ear

th)

(Hu

gh

es, a

nd

Hes

selb

o,

1997

; Nel

son

, 195

6;Th

is s

tud

y)

80

100 30

0

20

40

60

feet meters

5/4

2

2

3/2

3/2

3/?4

2/7

2/7

7/2

Glau

coni

te

(Black Earth, Wisconsin)28a

sh sl vf f cm

C o (B erg, 1951; unit 8)(E orthis only)

UD (Nelson, 1956)E (n) (minus 9.8m)

E (n) (minus 0.1m)

"Ordovician" (3.0m)C a or R m (P arsons and C lark, 1999)

E (n) (minus 12.0m)

St L

awre

nce

FmO

neot

a D

olom

iteT

unne

l City

Gp

Won

ewoc

Ss?

(Be

rg,

19

51

, 1

95

4;

Fe

rry

Blu

ff)

(Be

rg,

19

54

; M

azo

ma

nie

)(H

ug

he

s, 1

99

4;

Ma

zom

oa

ie;T

his

Stu

dy)

80

100 30

0

20

40

60

feet meters

2/1

2/1

7/3/4?

2/1/7

2/1/7

covered

covered

covered

covered

3/4

3/4

5/4

5/8?

3/2

3/4

4/3

4

4/5

Gla

ucon

ite

(Mazomanie, Ferry Bluff, Wisconsin)

28b,c

sh s l vf f cm

El(Berg, 1951; unit 3, Goodenough Hill)

El (Berg, 1951; unit 4; Goodenough Hill)Co (Ppa) (Berg, 1951; unit 7; Goodenough Hill)Co (Mn) (Berg, 1951; unit 7; Goodenough Hill)

Co (Berg, 1951; unit 8;Goodenough Hill)

Co (Berg, 1951; unit 9; Goodenough Hill)

Pt (Pg) (Berg, 1951; unit 10;Goodenough Hill)

Pt (Pg) (Berg, 1951; unit 11;Goodenough Hill)

Pr (Berg, 1951; unit 14;Goodenough Hill)

Pt (Berg, 1951; unit 12 ;Goodenough Hill)

Pt (Berg, 1951; unit 14 Woodhill)

UD (Nelson, 1956)St L

awre

nce

FmTu

nnel

Cit

y G

pW

onew

oc S

s

(Ber

g, 1

951,

195

4; G

oo

den

ou

gh

Hill

)

(Nel

son

, 195

6;

Go

od

eno

ug

h H

ill)

80

100 30

0

20

40

60

feet meters

?6/5/4

4/3

3/2

3

3/2

2

2/3

2/1

covered

4

4

2/3

5

1

(no

nm

arin

e in

terp

.b

ased

on

nea

rby

sect

ion

sin

Ste

nze

l, 19

83)

Gla

ucon

ite

(Hustler, Woodhill, Goodenough Hill, Wisconsin)

29

*Fe-rich

sh sl vf f cm

UD (Nelson, 1956)

UD (Nelson, 1956)

St L

aw.F

mJo

rdan

Ss

One

ota

Dolo

mite

Tunn

el C

ity

Gp

(Ber

g, 1

954

Spri

ng

Gre

en)

(Nel

son

, 195

6;

Spri

ng

Gre

en)

(Ru

nke

l, 19

94a)

80

100 30

0

20

40

60

feet meters

3/2

3/4

2/3

2/1

7/2

covered

4

3

4/5/8/9Gl

auco

nite sh sl vf f cm

(Spring Green, Wisconsin)30

Ip (Berg, 1951; unit 17)

Co (Mn) (Berg, 1951; unit 9)

UD (Nelson, 1956)

Co (Berg, 1951; unit 9) (Ppa)

St L

aw.F

mJo

rdan

San

dsto

neO

neot

a Do

lom

iteTu

nn

el C

ity

Gp

Won

ewoc

Ss

(Ber

g, 1

951,

195

4 Tu

nn

el C

ity)

(Nel

son

, 195

6;

Tun

nel

Cit

y)(T

wen

ho

fele

t al

., 19

35 T

un

nel

Cit

y)

(Tw

enh

ofe

let

al.,

1935

Tu

nn

el C

ity)

80

100 30

0

20

40

60

feet meters

5/4

6?

5?

3/2

4/3

3/2

3/2

3/2

2/1

7/2

2

3/4

3

3/4covered

covered

Glau

coni

te sh sl vf f cm

(Tunnel City, Wisconsin)31

P t (B erg, 1951; unit 5)

UD(Nelson, 1956)UD(Nelson, 1956)

UD(Nelson, 1956)

C o (B erg, 1951; unit 3)(Mn)C o (B erg, 1951; unit 3)(Mn)

C o (B erg, 1951; unit 2)(Mn)

C o (B erg, 1951; unit 2)(P pa)C o (B erg, 1951; unit 2)(P pa)

St L

aw.F

mJo

rdan

Ss

One

ota

Dol

omite

Tun

nel C

ity G

p

(Be

rg,

19

51

, 1

95

4 M

ayn

ard

Pa

ss)

(Ne

lso

n,

19

56

; R

ich

lan

d C

en

ter)

(Tw

en

ho

fel e

t a

l.,1

93

5 R

ich

lan

d C

en

ter)

80

100

0

20

40

60

30

feet meters

5?

3/2

4/3

3/4

2/3

2/3

2/1

7/2/1

2

3 (? )

covered

Gla

ucon

ite

(Maynard Pass, Richland Center, Wisconsin)

32

sh s l vf f cm

UD (Nelson, 1956)

UD (Nelson, 1956)

UD (Nelson, 1956)Oo (Nelson, 1956)

Oo (Nelson, 1956)

Glau

coni

te

sh sl vf f cm

(Gothum, Wisconsin)32b

St L

awre

nce

FmTu

nnel

City

Gp

(Nel

son

, 195

6; G

oth

um

)

80

100 30

0

20

40

60

feet meters

3/2

2/1

7/2/1

El (Berg, 1951Franklin unit 4)El (Berg, 1951; Brush Creek unit 4)Co (Berg, 1951; Brush Creek unit 6)

Co (Berg, 1951; Brush Creek unit 8)Co (Berg, 1951; Franklin unit 10)(Ta)

Co (Berg, 1951; Franklin unit 8)(Mn)Co (Berg, 1951; Franklin unit 8)(Mn)Co (Berg, 1951; Franklin unit 8)(Ppa)

St L

awre

nce

FmTu

nnel

Cit

y G

pW

onew

oc S

s Ea

u C

laire

Fm

Mt S

imon

Ss

(Ber

g, 1

951,

195

4 B

rau

sh C

reek

an

d F

ran

klin

)

(Wes

tby

Cit

y W

ell #

5)

80

100

0

20

40

60

30feet meters

5/4

5/4?

5/4/?6

5/4/?6

3/2

2/3

5/4/3

2/3

2/3

1/2

2

4

4

covered

covered at Brush Creek

covered at Brush Creek

covered at Franklin

Glau

coni

te sh sl vf f cm

(Westby, Brush Creek, Franklin, Ontario, Wisconsin)33

(Ste

nze

l, 19

83; D

ott

et

al.,

1986

; On

tari

o ) 5/4

5/4

6

6

3/4

?

El (Berg, 1951; unit 9)

Cr (Twenhofel et al., 1935, unit 1)

"mixed" E/Ca(0.9m)Ca (2.4m)

En(minus 13.0m)

Glau

coni

te

sh sl vf f cm

(Coon Valley, Wisconsin)34

One

ota

Dolo

mite

Jord

an S

and

ston

eSt

Law

renc

e Fm

Lone

Roc

k Fm

Won

ewoc

Ss

(Ber

g, 1

951)

(Od

om

an

d O

stru

m, 1

978)

80

100

0

20

40

60

30feet meters

5/4/8/9

4

4

3

5/4

6?

2/3

3/2

3/2/7

2/3

2/3

2/1

1/2

1/2/7

2/3/7

2

2

2

4

6?

6?

4

covered

covered

covered

covered

Ca (Nelson, 1956)Ca (Nelson, 1956)

UD (Nelson, 1956)

Oo (Nelson, 1956)

Oo (Nelson, 1956)

E(lowest carbonate bed, east-facing road cut)

E(8.7m)

Pm(6.6m)

Pm(3.8m)

Pm(1.3m) Pt(0.1m)

E(16.7m)E(15.2m)E(13.3m)E(12.2m)

Jord

an S

and

ston

eSt

Law

renc

e Fm

Lone

Roc

k Fm

(Hu

gh

es a

nd

Hes

selb

o, 1

997;

Th

is s

tud

y)

(Ost

rum

, 198

7)

80

100

0

20

40

60

30feet meters

3/2

3/2

2/3

5/4

3/4

2/1

2/1

2/7?

2/7

2/7

4/5

5/9?O

neo

ta D

olo

mit

eGl

auco

nite

(Arcadia, Wisconsin ) 35

sh sl vf f cm

Gla

ucon

ite

(LaCrescent, Minnesota, area)36

sh sl vf f cm

Pr (Twenhofel et al., 1935; Victory)

Pr (Berg, 1951; Hell Hollow unit 11)Pr (Berg, 1951; Hell Hollow unit 9)

Pt (Berg, 1951; Mt Tom unit 19)

Pt (Ps) (Berg, 1954;Hell Hollow unit 2)

Co (Ta) (Berg, 1951; Hell Hollow unit 4)

Co (Ta) (Berg, 1951; Hell Hollow unit 4)

Co (Eo) (Berg, 1951; Brownsville unit 3)

Ip (Berg, 1951, Hell Hollow unit 17)

El (Berg, 1951; Brownsville unit 2)El (Berg, 1951; Hell Hollow unit 1)

Cr (Runkel et al., 1998; Dresbach)

Cr (Berg, 1951; LaCrescent, unit 1)

Cr (Twenhofel et al., 1935))

Ca (Nelson, 1956)Ca (Nelson, 1956)

UD (Nelson, 1956)UD (Nelson, 1956)

Sal (Nelson, 1956)

(Twenhofel et al., 1935))Cr

227847

227847546911

One

ota

Dolo

mite

Jord

an S

and

ston

eSt

Law

renc

e Fm

Lone

Roc

k Fm

Won

ewoc

Ss

Eau

Cla

ire F

mM

t Sim

on S

s

(Ber

g, 1

951;

1954

; B

row

nsv

ille)

(Ber

g, 1

951,

195

4; H

ell H

ollo

w)

(Nel

son

, 195

6, V

icto

ry)

(Do

tt a

nd

Bye

rs, 1

980;

LaC

resc

ent

(gam

ma

on

ly )

(Ru

nke

l et

al.,

1998

, Dre

sbac

h)

(Ru

nke

l et

al.,

1998

, La

Cre

scen

t)

(Tw

enh

ofe

l et

al.,

1935

, Dre

sbac

h)

(gam

ma

on

ly )

80

100

0

20

40

60

30feet meters

4/3

5/4/9

4

8

3

3

3/4

3/4

3/?4

3/4

3/4

2/3

2/3

2/3

2/3

2/3

4/5/3

2/3

3/2

3/2

2/1

2/1

2/7

2/7?

2/3/7

2

2

2

2

2

2

2

2

2


increasing counts

5

4

4

covered

Ca (29.0m)

Ca(30.8m)

E(28.0m)E(27.6m)

E(24.6m)E(22.8m)E(21.83m)

E(16.4m)E(15.5m)E14.3m)

E(7.3m)

E(4.1m)

E(minus 5.7m)

Jord

an S

and

ston

eO

neot

a D

olom

iteSt

Law

renc

e Fm

(Ru

nke

l, 19

94b,

sec

tio

n 1

4; R

un

kel e

t al

., 19

99; t

his

stu

dy)

80

100

0

20

40

60

30feet meters

4/5

5

4

2

2/1

43

2/3

2/3

5/4/9/8 8

Glau

coni

te

(Homer, Minnesota)37

sh sl vf f cm


556316

5

8/9/5

4

7/2

7/2

1/2

2

2

7/2

4/5

3/2

4

3

3

2/3

4

4

2

4/2

3De

pth(

ft)

sha

leGl

auco

nite

(B0-1 core, Minnesota)38

*Fe (pyrite)


320

340

300

360

380

400

420

440

460

620

600

580

560

540

520

500

480

740

760

780

800

840

860

880

900

820

720

700

680

660

640

On

eota

Do

lom

ite

Jord

an S

and

sto

ne

St L

awre

nce

Fm

Lon

e R

ock

Fm

Wo

new

oc

SsEa

u C

lair

e Fm

Mt Simon Ss

E

E

E

E

E

E

EE

Pm

PmPm

Pp

Upper Cp through Rm

Hh

Cr

Cr

Ce

Ce

Ip

Pr

PtPt

ApApAp

Ap

(B-1, 239' 6")

(B-1, 249' 10")

(B-1, 303' 0" )

Cr (785' 9" )

(B-1, 338' 7")

(B-1, 375' 2")

(B-1, 393' 0" & 395' 2.5")

(310' 6")

(320')

(390' 10")

(408' 0")

(434' 6")

(443' 0")

(450' 0")

(459' 6")

(467' 0")(472' 6")

(485' 6")

(499' 0")(504' 6")

(509' 0")

(517' 10" & 518' 3" & 520' 6")

(571' 6")

(609' 6")

(615' 1")

(B-1, 230' 3" & 230' 5" & 234' 4" & 234' 6")

Core or outcrop control point

Borehole identifier

Natural gamma-ray log used at outcrop/core

Natural gamma-ray log between outcrop/core

County boundary

Name of County

Line of projection on to cross-sections

Line of cross-section

State boundary

Wisconsin

Wisconsin

Iowa

Minnesota

Minnesota

Min

neso

ta

Wisconsin

110496

605073

542782689426

678999

127258

213615

213504

224426

255945219483

185810225647

559346

626765516404556135 680271

556149

554229401075

475354 109714

122050617245698228

663200448708

471460446319

505352708084678136511735679953

493249645623447205

453239 453239

217898603082

500794

208791

208328233089236153

241941

496285

255965

643505

509056255913

213678213677213106213679213681213683213680213682212966212970229953212969212961229952212972

212976212978

229954

212997

212981212982

213106

213678213677

221090

214034221126

221139221138

231722231724221140231729224672231704

231706231712

231708231728231731

231721

221144 (221146 &221150)

221151221114 223082

556316

536312542779

546911

231847

250077

518703

601313

231851

235526

1

12

13

16

17

1819

21 20

14

37

38a

36e

36c

36a36b

36d38b

15a-d

0

0 100 kilomters

50 miles

Figure DR1 Location map providing location and identification number for boreholes with natural gamma-ray logs used in the construction of cross-sections in Figures 6 and 7. Precise locality information for gamma-ray logs is available in the County Well Index maintained by the Minnesota Geological Survey. See Figure 1 for regional location.

Runkel et al

Runkel et al. Data Repository information

Locality information for control points that support cross sections in Figures 6 and 7.

Includes name, location, and principal sources of stratigraphic information from previous

workers. “Gamma-ray unique number” is an identifier used by the Minnesota Geological

Survey for borehole natural gamma-ray log used to augment sections where core is

incomplete or outcrops partly covered, shown as dashed lines below control points in

Figures 6 and 7.

1 Taylors Falls: Outcrops near Taylors Falls, Chisago County, Minnesota. Lone Rock

and Mazomanie Formations in road cut on north side of U.S. Highway 8, extending

between 2.3 and 2.7 km east of intersection with Minnesota State Highway 95 (about

2.4 km southwest of downtown Taylors Falls). NE1/4, SE1/4, SE1/4 sec. 35, T34N,

R19W. Eau Claire through lower Lone Rock Formations along Pine Point Trail, about

1.3 km southwest of downtown Taylors Falls, in Interstate Park, north of U.S.

Highway 8. NE1/4, NW1/4, NW1/4 sec. 36, T34N, R19W. Nelson (1949), Berg

(1951, 1954). Mill Street conglomerate exposed in an approximately 400 meter SW-

NE trending, narrow belt of outcrops paralleling Mill Street, about 20-50 m north of

street, Taylors Falls, adjacent to northern boundary of Interstate Park. SE1/4, SW1/4,

SE1/4 sec. 25, T34N, R19W. Berkey (1897), Berg (1954).

2 Franconia: Bluffs along east and west side of Lawrence Creek, near village of

Franconia, Chisago County, Minnesota. NE1/4, SE1/4 sec. 3, and NW1/4, SW1/4,

SW1/4 sec. 2, T33N, R19W. Nelson (1949), Berg (1951, 1954).

3 Osceola: Cascade Falls section on Mill Creek and Eagle Point Bluff in southern part of

Osceola, Polk County Wisconsin. Mazomanie Formation up to base of Jordan

Sandstone is in ravine north of Wisconsin Highway 243; Jordan Sandstone through

lower Oneota Dolomite is in road cuts and bluff on south side of Wisconsin Highway

243. NW1/4, SW1/4, SW1/4 sec. 27, T33N, R19W. Nelson (1949, 1956), Hughes and

Hesselbo (1997).

4 Osceola Southwest: Outcrop along west bank of St. Croix River, Chisago County,

Minnesota. About 3.2 km south of Osceola, Wisconsin. SW1/4, NE1/4, NE1/4 sec.

32, T33N, R19W. Runkel (1994b). Gamma-ray unique number 516404.

5 Soo Drawbridge: At falls in tributary to St. Croix River west of railroad drawbridge.

Washington County, Minnesota. SW1/4, SE1/4, NW1/4 sec. 7, T32N, R19W. Nelson

(1956). Gamma-ray unique number 475354.

6 Copas: Near town of Copas, Washington County, Minnesota. Lone Rock and

Mazomanie Formations in ravine leading to St. Croix River, W1/2, SE1/4 sec. 19,

T32N, R19W. Nelson (1949), Berg (1951, 1954). Jordan Sandstone in ravine in

SE1/4, NW1/4, SW1/4 sec. 19, T32N, R19W (unpublished Minnesota Geological

Survey (MGS) measured section, 1981). Gamma-ray unique number 122050.

7 Marine: Near and within town of Marine, Washington County, Minnesota. Lone Rock

and Mazomanie Formations along west bank of St. Croix River, and along Ferry and

Mill Creeks, W1/2 sec. 6, T31N, R19W. Berg (1951, 1954). Jordan Sandstone along

County Road 7 southwest of town, NE1/4, SE1/4, SE1/4 sec. 12, T31N, R20W

(Nelson, 1949). Gamma-ray unique number 617245.

8 Arcola: Near Arcola, Washington County, Minnesota. In ravine east of Minnesota

Highway 95, S1/2, SE1/4, NE1/4 and NW1/4, NE1/4, SE1/4 sec. 30, T31N, R19W.

Nelson (1949, 1956), Berg (1951, 1954). Gamma-ray unique number 698228.

9 Lookout Point: Outcrop along east side of Minnesota Highway 95, 2.3 km north of

junction with Minnesota Highway 96, Washington County, Minnesota. NW1/4,

SW1/4, NW1/4 sec. 14, T30N, R20W. Runkel (1994b). Gamma-ray unique number

448708.

10a Stillwater: In city of Stillwater, Washington County, Minnesota. Jordan Sandstone

and lower Oneota Dolomite at NW corner of intersection of Minnesota Highway 95

and Elm Street, Washington County. NW1/4, NE1/4, NE1/4 sec. 28, T30N, R20W.

Runkel (1994b). Lone Rock, Mazomanie, and St. Lawrence Formations at “Boom

Hollow,”along west bank of St. Croix River and on bluffs on west side of Minnesota

Highway 95, SE1/4, NW1/4, SE1/4 sec. 15, T30N, R20W. Nelson (1949), Berg et al.

(1956). Gamma-ray unique number 471460.

10b Little Falls Dam: Eau Claire and lower Wonewoc Formations below outlet for Little

Falls Dam on north bank of Willow River, St. Croix County, Wisconsin, NE1/4 ,

SW1/4, NE1/4 sec. 8, T29N, R 19W. Nelson (1949), Runkel et al. (1998).

11 Hudson: Outcrops and road cuts in south part of city of Hudson, St. Croix County,

Wisconsin. Cuts exposing upper Wonewoc and lower Lone Rock Formations along

east side of Wisconsin Highway 35, and natural exposures of Lone Rock and

Mazomanie on bluffs above. SE1/4, SE1/4, NW1/4 and NE1/4, SW1/4 sec. 25, T29N,

R 20W. Nelson (1949), Berg (1951, 1954).

12 Afton, Minnesota: Outcrops and small road cuts about 0.8 to 1.6 km south of city of

Afton on east and west sides of Douglass Road, Washington County, Minnesota.

NW1/4, NE1/4, NE1/4 sec. 27, and SW1/4, SE1/4, SE1/4 sec. 22, T28N, R20W. Berg

(1951, 1954), Hughes (1993), Hughes and Hesselbo (1997), Runkel, (1994b).

Gamma-ray unique number 453239.

13 BC-1 and AC-1: Cores, Ramsey County, Minnesota, SW1/4, NE1/4, SW1/4 sec. 21,

T29N, R23W. Mossler (1992); Runkel et al. (1998). Gamma-ray unique number

185810.

14 Red Wing: West side of Barns Bluff, near south end of Mississippi River bridge in

city of Red Wing, Goodhue County, Minnesota. SE1/4, NE1/4, NE1/4 sec. 30, and

SW1/4, NW1/4, NW1/4 sec. 29, T113N, R14W. Oneota Dolomite trilobite collection

from road cut on south side of Goodhue County Road 21, across from City of Red

Wing High School, NW1/4, NW1/4, SE1/4, sec. 5, T112N, R14W. Nelson (1956),

Byers and Dott (1995). Gamma-ray unique number 601313.

15a Lake City: Upper Lone Rock, St. Lawrence and lower Jordan Sandstone in quarry

and natural outcrop on bluff about 1.6 km west of Lake City, Wabasha County,

Minnesota. NE1/4 sec. 7, T111N, R12W. Nelson (1956), Stauffer and Theil (1941).


15b Lake City: Middle part of Lone Rock Formation in outcrops on bluff and road cuts

on south side of US Highway 61 about 1.6 to 2.4 km east of Lake City, Wabasha

County, Minnesota. N1/2, SW1/4 sec. 13, N1/2, NW1/4 sec. 14, T111N, R12W. Berg

(1954), Berg et al. (1956), Grant (1962). Gamma-ray unique number 518703.

15c Maple Springs: Lower part of Lone Rock Formation in outcrops on bluff, ravine and

road cuts on south side of US Highway 61 at Maple Springs, Wabasha County,

Minnesota. SW1/4, SE1/4 sec. 17, and S1/2, SW1/4 sec. 16, T111N, R11W. Berg

(1954), Grant (1962), (Mossler, 2001). Gamma-ray unique number 518703.

15d Reads Landing: Lower part of Lone Rock Formation in ravine and road cuts on

south side of US Highway 61 at Reads Landing, Wabasha County, Minnesota. SE1/4,

SE1/4, NW1/4 sec. 24, T111N, R 11 W Berg (1951, 1954), Berg et al. (1956).


16 Van Oser Creek: Quarry and scattered outcrops along “Van Oser” (now “Sand”)

Creek. SE1/4, SW1/4, SW1/4 sec. 33, T115N, R23W, and N1/2, NW1/4 sec. 4,

T114N, R23W. Stauffer (1940), Stauffer and Theil (1941).

17 Lon (Lonsdale) 65-2 and 65-1: Cores, Rice County, Minnesota. Lon 65-1, NW1/4,

SW1/4, SW1/4 sec. 14, T112N, R21W. Lon 65-2, NW1/4, NW1/4, NW1/4 sec. 14,

T112N, R21W. Mossler (1992), Runkel et al. (1998). Gamma-ray unique number

235526.

18 Judson-Mankato: Outcrops between the cities of Judson and North Mankato,

Nicollet County, Minnesota. Upper Lone Rock and lower St. Lawrence Formations

beneath and along west side of bridge on north bank of Minnesota River SW1/4,

NE1/4, SE1/4 sec. 33, T109N, R28W. St. Lawrence Formation and lower Jordan

Sandstone in shallow ravines that cross County Road 41 2.3 km east of Judson

(SE1/4, SW1/4, SW1/4 sec. 35, T109N, R28W, and NE1/4, NW1/4, NW1/4 sec. 2,

T108N, R28W) and 4.2 km east of Judson (NE1/4, NW1/4 sec. 1, T108N, R28W).

Upper Jordan and lower Oneota Formations in North Mankato on bluffs along north

side of County Road 41, NE1/4, NW1/4, NE1/4 sec. 14, T 108N, R27W.

19 Prehn-3 and Will-4: Cores, Waseca County, Minnesota, Prehn-3, SE1/4, NE1/4,

SW1/4 sec. 6, T108N, R22W. Will-4 (L. Williams-4), NW1/4, SW1/4, NE1/4 sec. 7,

T108N, R22W. Additional trilobite and collections from nearby core Mel-1, Rice

County, Minnesota, SW1/4, SE1/4, SW1/4, sec. 28, T109N, R22W. Mossler (1992),

Runkel et al. (1998). Gamma-ray unique numbers 229954 and 229953.

20 H-1-A (“Hollandale”): Core, Freeborn County, Minnesota, SE1/4, SE1/4, SW1/4 sec.

7, T103N, R19W. Mossler (1992), Runkel et al. (1998). Gamma-ray unique number

223082.

21 Sch-1 (Schroeder), Sch-5 (Schroeder): Cores, Faribault County, Minnesota. Sch-1,

SW1/4, SE1/4, SW1/4 sec. 28, T103N, R24W. Sch-5, SW1/4, SE1/4, SW1/4 sec. 28,

T103N, R24W. Additional trilobite and conodont collections from nearby cores: Wl-

4, NE1/4, NW1/4, SW1/4 sec. 36, T103N, R25W; Gerber-1, SW1/4, SW1/4, NE1/4

sec. 8, T102N, R24W; Flo-1, SE1/4, SW1/4, SW1/4 sec. 11, T101N, R25W; and

Kingstrom-1, NE1/4, NW1/4, NW1/4 sec. 6, T101N, R24W. Mossler (1992), Runkel

et al. (1998). Gamma-ray unique numbers 221146 and 221150.

22 Peterson-1: Core, Webster County, Iowa. NE1/4, NE1/4, NW1/4 sec. 10, T90N,

R27W. Runkel et al. (1998). Gamma-ray unique number 11749.

23 Quimby: Core, Cherokee County, Iowa. NW1/4, NW1/4, NE1/4 sec. 34, T90N,

R41W. Runkel et al. (1998).

24 Camp Quest: Core, Plymouth County, Iowa. SW1/4, NW1/4, SW1/4 sec. 2, T92N,

R45W. Runkel et al. (1998). Gamma-ray unique number 25498.

25 Elk Point: Core, Union County, South Dakota. NW1/4, NW1/4, NE1/4 sec. 13,

T90N, R50W. McCormick (2005). Gamma-ray unique number R20-2002-01.

26a Horseshoe Bluff: Upper Wonewoc Sandstone and lower Lone Rock Formation in

shale pit and bluff exposures along County Road G, Adams County, Wisconsin.

SW1/4, NE1/4 sec. 11, T17N, R7E. Berg (1951, 1954).

26b Cooley Hill: Lone Rock and Mazomanie Formations in quarry and road cuts on

County Road B, Adams County, Wisconsin. NW1/4, SW1/4, NW1/4 sec. 31, T16N,

R7E. Berg (1951, 1954).

27a Friendship Mound: Wonewoc Sandstone, Lone Rock and Mazomanie Formations

on the south end of bluff “Friendship Mound”, Adams County, Wisconsin. NE1/4

sec. 6, and NW1/4 sec. 5 T17N, R6E. Berg (1951, 1954).

27b Lodi: St. Lawrence Formation and lower Jordan Sandstone in ravine on south face

of Gibraltar Bluff, Columbia County, Wisconsin. SW1/4, SE1/4 sec. 18, T10N, R8E.

Raasch (1939), Nelson (1956).

27c Madison: Outcrops and core within and near city of Madison, Dane County,

Wisconsin. Upper Mazomanie and St. Lawrence Formations exposed at Farwell

Point, on north shore of Lake Mendota NE1/4 sec. 34, T8N, R9E. Twenhofel et al.

(1935), Nelson (1956). Upper Jordan Sandstone and Oneota Dolomite exposures

along Bluff Street and in abandoned quarry to south of street in Hoyt Park, SE1/4,

SE1/4, NE1/4 sec. 20, T7N, R9E. Byers and Dott (1995), Odom (1978). Eau Claire

Formation through lower Lone Rock from core, Nine Springs area near Madison,

SW1/4 sec. 30, T7N, R10E (Aswasereelert, 2005).

27d Wisconsin Dells: Wonewoc Sandstone and lower Lone Rock Formation along

Wisconsin River and tributaries at Wisconsin Dells, southeast Juneau and northeast

Sauk counties, Wisconsin. From composite measured sections in Dott et al. (1986).

28a Black Earth: Upper Mazomanie Formation through Oneota Dolomite along road cut

and in bluff on north side of US Highway 14, about 1.6 km southeast of Black Earth,

Dane County, Wisconsin. NW1/4, SE1/4, SW1/4 sec. 25, T8N, R6E. Berg (1951,

1954), Nelson (1956), Hughes and Hesselbo (1997).

28b Mazomanie: Upper Mazomanie Formation through Oneota Dolomite along road cut

and in bluff on south side of US Highway 14, in east end of Mazomanie, Dane

County, Wisconsin. NE1/4, SE1/4, NW1/4 sec. 16, T8N, R6E. Berg (1954), Nelson

(1956), Odom (1978), Runkel (1994a), Hughes and Hesselbo (1997), Parsons and

Clark (1999).

28c Ferry Bluff: Bluff and river bank exposures of Wonewoc Sandstone through upper

Mazomanie and Lone Rock Formations along north side of Wisconsin River, Sauk

County, Wisconsin. NW1/4, NW1/4 sec. 29, and E1/2, SW1/4 sec. 20, T9N, R6E.

Berg (1951, 1954).

29a Goodenough Hill: Wonewoc Sandstone through lower St. Lawrence Formation

along road cuts on old Wisconsin Highway 71 at Goodenough Hill, Juneau County,

Wisconsin. E1/2 sec. 13, T15N, R2E. Berg (1951, 1954), Nelson (1956).

29b Woodhill: Wonewoc Sandstone through middle Mazomanie/Lone Rock Formations

along road cuts on Wisconsin Highway 80 at Woodhill, Juneau County, Wisconsin.

E1/2 sec. 3, T15N, R2E. Berg (1951, 1954).

29c Hustler: Wonewoc Sandstone through lower Mazomanie/Lone Rock Formations

along road cuts and in shale pit along County Road H, Juneau County, Wisconsin.

E1/2, NE1/4 sec. 31, T16N, R2E. Berg (1951, 1954).

30 Spring Green: Mazomanie/Lone Rock and St. Lawrence Formations in quarry and in

road cuts along Wisconsin Highway 23 about 2.6 km north of Spring Green, Sauk

County, Wisconsin. NE1/4 sec. 36, T9N, R3E. Berg (1954), Nelson (1956). Jordan

Sandstone and lower Oneota Dolomite on east side of Wisconsin Highway 23 about 4

km north of Spring Green NW1/4, SW1/4, SW1/4 sec. 30, T9N, R4E. Odom (1978),

Runkel (1994a).

31 Tunnel City: Quarry, road and railroad cuts in and around Tunnel City, Monroe

County, Wisconsin. Wonewoc Sandstone in cuts along railroad tracks east and west

of town secs. 25 and 26, T18N, R2W. Twenhofel et al. (1935). Upper Wonewoc

Sandstone and Lone Rock Formation in road cuts along Wisconsin Highway 21 west

of town, SW1/4, NW1/4 sec. 25, and NE1/4 sec. 26, T18N, R2W. Berg (1951, 1954).

Upper Lone Rock Formation through lower Oneota Dolomite in quarry and bluff

exposures about 2.4 km north of town, near Elder Road, NE1/4 sec. 23, T18N, R2W.

Twenhofel et al. (1935).

32a Maynard Pass: Mazomanie/Lone Rock through lower St. Lawrence Formations in

road cuts along Interstate 90 about 9.7 km west of Tomah, Monroe County,

Wisconsin. NW1/4 sec. 22, T17N, R2W. Berg (1951, 1954).

32b Gotham: Composite upper Lone Rock and St. Lawrence Formation sections from

outcrops 3.2 to 6.4 km east of Gotham, Richland County, Wisconsin. Sections 25-28,

and 34, T9N, R2E. Raasch (1939), Nelson (1956).

32c Richland Center: Upper Lone Rock through lower Oneota Dolomite in quarry and

bluff exposures in south end of Richland Center, Richland County, Wisconsin.

NW1/4, SE1/4 sec. 21, T10N, R1E. Twenhofel et al. (1935), Nelson (1956).

33a Ontario: Wonewoc Sandstone and lower Lone Rock Formation in bluff exposures

and road cuts near Ontario, Wisconsin. Road cut on Highway 131 north of town,

NW1/4, NW1/4 sec. 35, T15N, R2W, Monroe County. Road cut and bluff exposures

above Kickapoo River east of town on Vernon County Road P, NE1/4, NW1/4 sec. 2,

T14N, R2W. Stenzel (1983), Dott et al. (1986).

33b Franklin: Wonewoc Sandstone through lower St. Lawrence Formation in road cuts

and shale pit along County Road C, Jackson County, Wisconsin. NE1/4 sec. 2, T20N,

R6W. Berg (1951, 1954).

33c Brush Creek: Wonewoc Sandstone through lower St. Lawrence Formation in road

cuts along Wisconsin Highway 23 between Ontario and Cashton, Monroe County,

Wisconsin. NW1/4, SE1/4 sec. 31, NW1/4, SE1/4 and NE1/4, SW1/4 sec. 36, SE1/4,

NW1/4 sec. 35, NW1/4 SE1/4 sec. 34, T15N, R2W and 3W. Berg (1951, 1954).

33d Westby: Upper Mt Simon through Wonewoc Sandstones from water well drilling

record for Westby City Well #5, Vernon County, Wisconsin. S1/2 sec. 28 or N1/2

sec. 33 T14N, R4W. (Roger Peters, Wisconsin Geological and Natural History

Survey oral communication).

34 Coon Valley: Road cuts and natural exposures in and around Coon Valley, Vernon

County, Wisconsin. Wonewoc Sandstone through lower St. Lawrence Formation in

cliff on northwest side of town on east side of State highway 162, NW1/4, NE1/4 sec.

7, T14N, R5W and in road cuts along US Highway 14/61, 2.4 km west of town,

NW1/4, NW1/4 sec. 12 and NE1/4, NE1/4 sec. 11, T14N, R6W. Berg (1951). St.

Lawrence Formation through lower Oneota Dolomite in road cut and quarry farther

west on US Highway 14/61, NW1/4, NE1/4 sec. 11, T14N, R6W. Odom and Ostrom

(1978).

35 Arcadia: Upper Lone Rock Formation through lower Jordan Sandstone in west-facing

road cut along Wisconsin Highway 93, 1.9 km south of its intersection with

Wisconsin Highway 95 in Arcadia, Trempealeau County, Wisconsin. SE1/4, NE1/4,

SE1/4 sec. 5, and upper Jordan Sandstone through lower Oneota Dolomite in east-

facing road cut about 8 km to south, W1/2 NW1/4 sec. 9, T20N, R9W. Hughes and

Hesselbo (1997), Ostrom (1987).

36a Dresbach: outcrops along Mississippi River between cities of Dresbach and Winona,

Winona County, Minnesota. Wonewoc Sandstone and lower Lone Rock Formation

SE1/4, SE/14, SE1/4 sec. 1, T106N, R 6W and SE1/4. NW/14, SW1/4 sec. 20,

T105N, R 4W. Runkel et al. (1998), Twenhofel et al. (1935).

36b LaCrescent: Outcrops and road cuts in and near city of LaCrescent, Houston

County, Minnesota. Wonewoc Sandstone and lower Lone Rock Formation along west

side of U.S. Highway 61, N1/2, SE1/4sec. 3, T104N, R 4W. Runkel et al. (1998),

Berg (1951). Jordan Sandstone and lower Oneota Dolomite on northwest side of

County Road 29, NE1/4, NE1/4, NE1/4 sec. 4, T104N, R4W and S1/2, SE1/4, SW1/4

sec. 33, T105N, R4W. Dott and Byers (1980). Gamma-ray unique numbers 227847

and 546911.

36c Brownsville: Upper Wonewoc Sandstone and Lower Lone Rock Formation in road

cuts along Minnesota Highway 26, Houston County, Minnesota, 2.7 to 4.3 km south

of Brownsville and at north edge of town. NW1/4, NW1/4, SW1/4 sec. 26 and E1/2

sec. 35, T103N, R4W, and E1/2 sec. 2, T102N, R4W. Berg (1951, 1954).

36d Victory: Upper Lone Rock and St. Lawrence Formations in ravine in bluff along the

east bank of the Mississippi River, Vernon County, Wisconsin. SW1/4, NE1/4 sec.

21, T12N, R7W. Twenhofel et al. (1935), Nelson (1956).

36e Hell Hollow: Upper Wonewoc Sandstone through lower St. Lawrence Formation

along tributary to Mississippi River about 2.1 km north of Reno, Houston County,

Minnesota. SE1/4 sec. 23, T102N, R4W. Berg (1951, 1954).

37 Homer: Outcrop along east side of County Road 15 about 3.2 km south of the town of

Homer, Winona County, Minnesota, NE1/4, NW1/4, NE1/4 sec. 2, T106N, R6W.

Runkel (1994b); Runkel et al. (1999).

38a B-1: Core, Fillmore County, Minnesota. SE1/4, NW1/4, SW1/4 sec. 25, T104N,

R9W. Mossler (1992), Runkel et al. (1998).

38b BO-1: Core, Fillmore County, Minnesota, NW1/4, SW1/4, SE1/4 sec. 22, T101N,

R8W. Mossler (1992), Runkel et al. (1998).Gamma-ray unique number 556316.

Runkel et al Table DR1 Compilation of fossil collections and identifications made during the course of this study. Locality names, numbers, and collection levels are tied to the same information shown on the stratigraphic columns in this data repository.

Locality name Strat. position Key taxa identified Zone Comments on stratigraphic position

3 OSCEOLA

stratigraphic position for samples below is distance in meters above (positive values) or below (negative values) contact between Jordan Sandstone and overlying Coon Valley Member, marked by breccia with silica-cemented sandstone clasts

Osceola 3.5Moderate fauna including Cordylodus angulatus, Acanthodus, Polycostatus oneotensis Rm

Osceola 2.8 Large fauna including Loxodus bransoni Rm

Osceola 1.8Aloxoconus, Cordylodus linstromi, Polycostatus oneotensis, Acanthodus, Cordylodus n. sp. Ca

Osceola 0.8Acanthodus uncinatus, Polycostatus n. sp., ?Utahconus n. sp., robust Teridontus sp. likely Ca

Osceola minus 12.5 Proconodontus muelleri Pmstratigraphic position for sample below is distance in meters above contact between Mazomonie Formation and overlying St Lawrence formation, marked by intraclastic conglomerate at top of water fall

Osceola 0.5 Proconodontus muelleri, Teridontus sp. Pm

10a STILLWATER (Boom Hollow)

stratigraphic position is distance in meters above base of Boom Hollow outcrop, as reported by Nelson (1949)

Stillwater 10.1 Prosaukia? sp., Briscoia ?, Dikelocephalus Ip?

10b LITTLE FALLS DAM (LFD)

stratigraphic position for samples below is distance in meters above, or below (negative value) prominent 3cm thic, iron- and brachiopod-rich coarse sandstone lag separating medium grained swaley cross-stratified sandstone from overlying fine to very fine grained hummocky cross-stratified sandstone and shale. Sandstone lag is about 7 m above base of outcrop (level of river)

LFD 6.3 ApLFD 5.4 Aphelaspis sp. ApLFD 2.5 Aphelaspis sp. ApLFD 1.5 Aphelaspis sp. Ap

LFD 0.2 through 0.3 Aphelaspis sp. Ap

LFD 0.15 through 0.2 Glaphyraspis sp. Ap ("crisis")

LFD 0 through 0.15

Lonchocephalus , Crepicephalus?, Densonella, Crepicephalus, another Crepicephalid (genus indet.) Cr

LFD minus 0.81 Lonchocephalus, Densonella? Cr

12 AFTONstratigraphic position for samples below is distance in meters above, or below (negative value) contact between Lone Rock Formation and overlying St Lawrence Formation, marked by an intraclastic conglomerate

Afton 10.2Proconodontus muelleri, P. serratus, Eoconodontus notchpeakensis E

Afton 8.7 Eoconodontus notchpeakensis E

Afton 4.5Proconodontus muelleri, Cambrooistodus cambricus, Eoconodontus notchpeakensis En

Afton 3Proconodontus muelleri, very primitive Eoconodontus notchpeakensis En

Afton 1.5Prooneotodus gallatini, P. rotundatus, Proconodontus muelleri Pm

Afton 0.6Proconodontus muelleri, Prooneotodus rotundus, Prooneotodus gallatini Pm

Afton minus 2.5

Croixana??, Illaenurus?, Tellerina leucosia , Saukiella pyrene, Rasettia sp., Dikelocephalus sp., three other species of uncertain identification Ip/Oo

13 BC-1 (and AC-1)Position of sample is depth below land surface in feet

AC-1 445' 8" 16 species (R. Ethington, written com.) typical of RmBC-1 541' 3" Eoconodontus notchpeakensis E

BC-1 544' 4"Eoconodontus notchpeakensis, Proconodontus muelleri E

BC-1 548' 10" Eoconodontus notchpeakensis EBC-1 551' 2' Eoconodontus notchpeakensis E

BC-1 554' 8"Eoconodontus notchpeakensis, Proconodontus muelleri E

BC-1 564' 10" Teridontus sp. possibly Pm

AC-1 660' 6"Ptychaspis cf. P. meniscaensis or P. striata, Dartonaspis Pr

AC-1 661' 2" Dartonaspis PrBC-1 650' 11" Idahoia, Monocheilus, Ptychaspsis Pt

AC-1 686' 8"Idahoia, Monocheilus, Ptychaspsis, Wilbernia pero (Walcott) Pt

AC-1 691' 0"Idahoia, Monocheilus, Ptychaspsis, Wilbernia pero (Walcott) Pt

BC-1 659' 11" Ptychaspis, Idahoia, Monocheilus PtBC-1 667' 0" Litagnostus parilis (Hall) PtBC-1 684' 6" cf. Taenicephalus CoBC-1 684' 9' cf. Taenicephalus CoAC-1 788' 3.5" Apsotreta DuAC-1 804' 10" Dytremacephalus DuBC-1 785' 3.5" Aphelaspis, Apsotreta? Ap/DuBC-1 794' 0" early Apsotreta ApBC-1 796' 4" Aphelaspsis ApAC-1 828' 7" Aphelaspsis ApBC-1 798' 6" Aphelaspsis ApAC-1 829' 8.5" Aphelaspsis ApBC-1 799' 0" Crepicephalus, Coosia, Dicellomus CrAC-1 830' 2.5" crepicephalid CrBC-1 822' 1.5" Komaspidella?, Dicellomus Cr

BC-1 832' 11.5"Dresbachia, Coosia?, Crepicephalus?, Komaspidella Cr

BC-1 833' 9" Dresbachia, Coosella? CrBC-1 836' 3.7" "Cedaria " CeBC-1 836' 7" "Cedaria " CeAC-1 869' 6.5" "Cedaria " CeBC-1 839' 6' "Cedaria " CeBC-1 844' 3" "Cedaria " Ce

14 RED WING (High School locale)

stratigraphic position for sample below is distance in meters above base of outcrop for bed of siliceous nodules that yield sampled trilobites

Red Wing 3Praepatokephalus sp., Symphysurina woosteri, Hystricurus sp. Sw

16 VAN OSER CREEK

Stratigraphic position for sample refers to upper 10.0 m of Jordan Sandstone. Based on descriptions of locale in Stauffer (1940) and subsequent MGS mapping in area

Van Oser Cr. Upper 10.0 m Includes Euptychaspsis kirki Sal (upper)

17 LON 65-1, LON 65-2

Position of sample is depth below land surface in feet

LON 65-1 423' 0" Eoconodontus notchpeakensis E

LON 65-1 441' 0" Proconodontus muelleri, Prooneotodus rotundatus PmLON 65-2 752' 9" Aphelaspis sp. Ap/DuLON 65-2 757' 9" Apsotreta ? Ap/DuLON 65-2 760' 2" Angulotreta? ApLON 65-2 764' 5" Aphelaspis sp. ApLON 65-2 768' 4" Aphelaspis sp. ApLON 65-2 772' 5" Cheilocephalus? CrLON 65-2 774' 8" Crepicephalus? sp. CrLON 65-2 775' 10" Crepicephalus? sp. CrLON 65-2 799' 8" "Cedaria ", norwoodiid CeLON 65-2 801' 3" "Cedaria " CeLON 65-2 810' 8" "Cedaria " Ce

18 JUDSON

North Mankato 1 through 2.0 Many species typical of Rm zone RmStratigraphic position for samples is distance in meters above the base of the "Blue Earth Siltstone" of the lowermost Oneota Dolomite

4.2 km east of Judsonstratigraphic position for two samples below is distance in meters above the highest of three small waterfalls in creek. Each falls is capped by hard, pink, intraclastic dolostone

JUDSON (4.2) 1 Fryxellodontus inornatus, Fryxellodontus n. sp. FiJUDSON (4.2) 0.8 Apoplanias cf. A. rejectus Mt

JUDSON (4.2) 0

Cordylodus proavus, Hirsutodontus hirsutus, new genus referred to in Utah as cf. Semiacontiodus , Teridontus nakamurai Hh

sample is from intraclastic dolostone capping second-highest of three small waterfalls in creek. Each falls is capped by hard, pink, intraclastic dolostone

JUDSON (4.2) 0Eoconodontus notchpeakensis, Cambrooistodus minutus, Cambrooistodus cambricus Cm

sample is from intraclastic dolostone capping lowest of three small waterfalls in creek.Each falls is capped by hard, pink, intraclastic dolostone

JUDSON (4.2) Eurekiid, likely Eurekia or Bayfieldia Ea? Samples found as float, precise strat position uncertain

2.3 km east of Judson

JUDSON (2.3) 0.6 Macronoda, Briscoia Sal (upper) stratigraphic position for sample is distance in meters above base of outcrop

Judson Bridge

JUDSON (Br) minus 2.5 Proconodontus muelleri, Teridontus sp. Pmstratigraphic position for sample is distance in meters below prominent, cliff-forming intraclastic conglomerate

19 Prehn-3 (and Will-4, Mel-1)


Prehn-3 368' 11""Fauna typical of Rm zone" (Ethington, written communication" Rm

Prehn-3 467' 7"

Eoconodontus notchpeakensis, Cordylodus proavus, Teridontus nakamurai, Semiacontiodus nogamii Ce

Prehn-3 468' 0"

Eoconodontus notchpeakensis, Cordylodus proavus, Teridontus nakamurai, Semiacontiodus nogamii Ce

Prehn-3 468' 4"- 468' 9"Cordylodus sp., Teridontus nakamurai , Semiacontiodus nogamii, Clavohamulus bulbousus Ce

Prehn-3 474' 3"Eoconodontus notchpeakensis, Cordylodus proavus, Teridontus nakamurai Cp

Prehn-3 474' 1"- 474' 8" Apoplanias rejectus MtPrehn-3 478' 0" Fryxellodontus inornatus lower FiPrehn-3 478' 1"-478' 10" Apoplanias rejectus MtPrehn-3 480' 8" Fryxellodontus inornatus Likely FiPrehn-3 483' 0" Cordylodus proavus, Hirsutodontus hirsutus HhPrehn-3 488' 0" Cordylodus proavus, Teridontus nakamurai Hh

Prehn-3 493' 3"Cordylodus andresi, Cordylodus proavus, Teridontus nakamurai Hh

Prehn-3 500' 0"Cambrooistodus minutus, Proconodontus muelleri, Eoconodontus notchpeakensis Cm

Prehn-3 503' 3"Cambrooistodus minutus, Eoconodontus notchpeakensis Cm

Prehn-3 506' 5"Cambrooistodus minutus, Eoconodontus notchpeakensis Cm

Prehn-3 515' 7"Eoconodontus notchpeakensis, Proconodontus muelleri En

Prehn-3 520' 10" Eoconodontus notchpeakensis En

Prehn-3 525' 2'Eoconodontus notchpeakensis, Proconodontus muelleri, cambrooistodus cambricus En

Prehn-3 529' 3"Eoconodontus notchpeakensis, Cambrooistodus cambricus En

Prehn-3 533' 5" Eoconodontus notchpeakensis EnPrehn-3 537' 4" Eoconodontus notchpeakensis En

Prehn-3 545' 4"very primitive Eoconodontus notchpeakensis, Palaeobotryellus taylori En

Prehn-3 549' 5" Proconodontus posterocostatus, Teridontus PpPrehn-3 575' 0" Proconodontus posterocostatus, Teridontus PpPrehn-3 587' 5" Proconodontus tenuiserratus Pt

Will-4 759' 2" Linnarssonella ElMel-1 830' 10" Aphelaspis Ap/DuMel-1 846' 3' Aphelaspis Ap/DuWill-4 838' 0" Aphelaspis ApWill-4 839' 10.5" Apsotreta ? ApMel-1 861' 6" Aphelaspis ApMel-1 866' 0" Coosia sp. CrWill-4 845' 4" Dicellomus and trilobite with wide doublures CrWill-4 853' 8" crepicephalid CrWill-4 865' 1" Crepicephalus CrMel-1 936' 6" Norwoodella CeMel-1 936' 10" menomoniid? Ce

20 H-1-APosition of sample is depth below land surface in feet

H-1-A 1005' 0"Eoconodontus notchpeakensis, Cambrooistodus cambricus, C. minutus Cm

H-1-A 1014' 0"Eoconodontus notchpeakensis, Proconodontus muelleri E

H-1-A 1026' 5"Eoconodontus notchpeakensis, Proconodontus muelleri, Prooneotodus E

H-1-A 1033' 0" Eoconodontus notchpeakensis EH-1-A 1047' 0" Teridontus Pm?H-1-A 1234' 11" Dytremacephalus, Apsotreta? DuH-1-A 1266' 11" Aphelaspis ApH-1-A 1267' 0" Aphelaspis ApH-1-A 1268' 0" Aphelaspis ApH-1-A 1274' 0" Aphelaspis Ap

H-1-A 1279' 8" lonchocephalid, Dicellomus?Cr (or "basal" Ap)

H-1-A 1279' 10" lonchocephalidCr (or "basal" Ap)

H-1-A 1283' 0" Coosella?, Dicellomus CrH-1-A 1288' 8" Crepicephalus, Coosia? CrH-1-A 1401' 6" crepicephalid CrH-1-A 1443' 0" norwoodiid CeH-1-A 1458' 1"-3" norwoodiid Ce

21 SCH-1 (and King-1, WL-4, Badge)


Sch-1 537' 7" Loxodus bransoni, Aloxoconus propinquus Rm

Sch-1 586' 10.5"-587' 4.5" Utahconus sp., Acanthodus sp."probably" Ch/Hs

Sch-1 587' 9"-588' 1.5" Monocostodus sevierensis, Utahconus utahensis Ch/HsSch-1 588' 2"-588' 5" Monocostodus sevierensis Ch/Hs

Sch-1 634' 6"-634' 8" Monocostodus sevierensis, Utahconus utahensis Hs

Sch-1 635' 3"-635' 9" Monocostodus sevierensis, Utahconus utahensis Hs

Sch-1 646' 0"Monocostodus sevierensis, Utahconus utahensis, Hirsutodontus simplex Hs

Sch-1 650' 0"

Cordylodus proavus, C. intermedius, Monocostodus sevierensis, Utahconus utahensis,Semiacontiodus nogamii Hs

Sch-1 652' 10"-653' 5"

Hirsutodontus simplex, Monocostodus sevierensis, Utahconus utahensis, Semiacontiodus lavadamensis Hs

Sch-1 658' 9"-659' 3"Hirsutodontus simplex, Monocostodus sevierensis, Utahconus utahensis Hs

Sch-1 662' 0"-662' 5"Cordylodus proavus, Cordylodus hastatus, Hirsutodontus hirsutus Ce

Sch-1 666'0"-666' 5"Cordylodus proavus, Cordylodus hastatus, Semiacontiodus nogamii, Teridontus nakamurai Ce

Sch-1 672' 5"-672' 3" Cordylodus hastatus, Semiacontiodus nogamii Ce

Sch-1 678' 5"-678' 11" Clavohamulus elongatus, Fryxellodontus n. sp. Ce

Sch-1 684' 2.5"-684' 7"Fryxellodontus inornatus, Cordylodus proavus, Teridontus nakamurai Fi

Sch-1 688' 0" Fryxellodontus inornatus Fi

Sch-1 690' 0"-690' 5"Cordylodus andresi, Hirsutodontus hirsutus, Teridontus nakamurai Hh

Sch-1 693' 3"-693' 8"Proconodontus muelleri, Eoconodontus notchpeakensis, Cambrooistodus minutus Cm

Sch-1 696' 0" Eoconodontus notchpeakensis, Cambrooistodus minutus Cm

Sch-1 703' 11"-704' 1" Eoconodontus notchpeakensis, Cambrooistodus minutus Cm

Sch-1 708' 1"-708' 5"Proconodontus muelleri, P. serratus, Eoconodontus notchpeakensis En

Sch-1 717' 6"-718' 0"Proconodontus muelleri, Eoconodontus notchpeakensis En

Sch-1 724' 6"-724' 10" Proconodontus muelleri, Teridontus sp. PmSch-1 731' 9"-732' 0" Teridontus sp. PtSch-1 734' 9"-735' 9" Teridontus sp. PtSch-1 742' 2"-742' 5" Teridontus sp. Pt

King-1 765' 4" Illaenurus and small saukiid Ip

Sch-1 814' 8" Dartonaspis or IrvingellaPt/Pr (favors Pr)

Wl-4 856' 0" Idahoia sp., Ellipsocephaloides n. sp. Pt/Pr (favors Pr)

Wl-4 973' 5" Aphelaspis sp. Ap/DuWl-4 980' 5" Aphelaspis sp. ApWl-4 982'0" Aphelaspis sp. ApWl-4 982' 11.5" Aphelaspis sp. ApWl-4 1084' 7" Crepicephalus CrWl-4 1114' 9.5" menomoniid CrWl-4 1126' 1" Blountia CrWl-4 1128' 11" crepicephalid CrBadge 1328' 5" Norwoodella CeBadge 1330' 0" Kormagnostus Ce

22 PETERSONPosition of sample is depth below land surface in feet

Peterson 1593' 5" juveniles? of Utahconus sp., Acanthodus sp. ? Cl or ?Ia

Peterson 1621' 4"

Cordylodus linstromi, Utahconus n. sp. , Paltodus n. sp., Acanthodus uncinatus, Aloxoconus n. sp., Teridontus n. sp.(robust) upper Cl or Ia

Peterson 1631' 6"

Hirsutodontus simplex, Utahconus utahenis, Monocostodus sevierensis, Semiacontiodus nogamii, Acanthodus n. sp., ?Rossodus tenuis Ci (likely Ch)

Peterson 1642' 0"Hirsutodontus simplex, Utahconus utahenis, Cordylodus sp. Ci

Peterson 1675' 4" to 1675' 8"Teridontus nakamurai, Eoconodontus notchpeakensis, Cordylodus proavus Hh

Peterson 1682' 6" to 1683' 0" fauna from top of Millardan Series EPeterson 1793' 0" Ptychaspsis ?? Pt??Peterson 1842' 0" Linnarssonella ElPeterson 1959' 0" Aphelaspis, Apsotreta Ap

23 QUIMBYPosition of sample is depth below land surface in feet

Quimby 1312' 6"Teridontus sp., Utahconus n. sp., Acanthodus sp., Aloxoconus iowensis, Polycostatus sp. Ia/ Ca/Rm

Quimby 1322' 5" Cordylodus sp., Teridontus nakamurai Ce

Quimby 1326' 5"Cordylodus sp., Teridontus nakamurai, Semiacontiodus nogamii, Clavohamulus elongatus Ce

Quimby 1330' 0" Clavohamulus elongatus Ce

Quimby 1335' 0"Cordylodus sp., Teridontus nakamurai, Semiacontiodus nogamii, ?Utahconus utahenis Ce

Quimby 1336' 0"

Eoconodontus notchpeakensis, Cordylodus hastatus, Cordylodus proavus, Teridontus nakamurai, Semiacontiodus nogamii, Clavohamulus elongatus Ce

Quimby 1346' 9"Teridontus nakamurai, Clavohamulus elongatus, Clavohamulus bulbousus Ce

Quimby 1363' 0"

Eoconodontus notchpeakensis, Teridontus nakamurai, Clavohamulus elongatus, Clavohamulus bulbousus Ce

Quimby 1372' 8.5" Teridontus nakamurai Cp

Quimby 1392' 7"Cordylodus proavus, Teridontus nakamurai, Hirsutodontus hirsutus Cp (likely Hh)

Quimby 1402' 6.6" Proconodontus posterocostatus PpQuimby 1507' 6.5" Taenicephalus CoQuimby 1541' 9" Housia ElQuimby ~1558' 8" Apsotreta, Dunderbergia? DuQuimby 1564' 7" Prehousia? ApQuimby 1565' 1" Aphelaspis, Apsotreta ApQuimby 1621' 5" norwoodiid Ce

24 CAMP QUESTPosition of sample is depth below land surface in feet

Camp Quest 941.3 to 941.4 Apsotreta ? Ap/Du

25 R20-2002-01Position of sample is depth below land surface in feet

R20-2002-01 706' 0" Dikelocephalus cf D. minnesotensis (Owen) IpR20-2002-02 725' 0" dikelocephalid IpR20-2002-03 741' 0" Wilbernia cf. W. Pero (Walcott) CoR20-2002-04 742' 0" Wilbernia sp. CoR20-2002-05 822' 0" Aphelaspis Ap

27c MADISON

Precise stratigraphic position is uncertain. The stratigraphically highest of five samples collected from the type section of the Sunset Point Member of the Jordan Sandstone

MADISON Upper Sunset Pt. Mbr Eoconodontus notchpeakensis E

28a BLACK EARTH (BE)stratigraphic position is distance in meters above (positive values) or below (negative values) base of strombolite bed in lowermost St Lawrence Fm.

BE 0.3 Proconodontus posterocostatus PpBE minus 0.1 Proconodontus posterocostatus Pp

28b MAZOMONIEstratigraphic position is distance in meters above (positive values) or below (negative values) contact between St Lawrence Fm. and overlying white sandstone of Coon Valley Member

Mazomonie 3 Teridontus nakamurai "Ibexian"Mazomonie minus 0.1 Eoconodontus notchpeakensis EnMazomonie minus 9.8 Proconodontus muelleri, Prooneotodus sp. En

Mazomonie minus 12.0Proconodontus muelleri, Eoconodontus notchpeakensis En

34 COON VALLEY

stratigraphic position is distance in meters above (positive values) or below (negative values) contact between Jordan Sandstone and overlying Coon Valley Member (marked by intraclastic sandstone with pebbles of vein quartz)

Coon Valley 2.4 Teridontus sp., Acanthodus uncinatuslikely Ca or Rm

Coon Valley 0.9Proconodontus muelleri, Teridontus nakamurai, Eoconodontus notchpeakensis mixed E+Ca

Coon Valley minus 13 Eoconodontus notchpeakensis En

35 ARCADIA

Arcadia see note on positionEoconodontus notchpeakensis, Proconodontus muelleri E from lowest sandy carbonate bed in east-facing road cut

stratigraphic position for samples below is distance in meters above contact between Lone Rock Formation and overlying St Lawrence Formation, marked by an intraclastic conglomerate near the base of the outcrop

Arcadia 16.7Eoconodontus notchpeakensis, possible Proconodontus muelleri E

Arcadia 15.2Eoconodontus notchpeakensis, Proconodontus muelleri E


Arcadia 12.2Eoconodontus notchpeakensis, Proconodontus muelleri, Prooneotodus E


Arcadia 6.6 Proconodontus muelleri Pm

Arcadia 3.8Proconodontus muelleri or Eoconodontus notchpeakensis , and Prooneotodus Pm

Arcadia 1.3 Proconodontus muelleri, Prooneotodus Pm (lower)

Arcadia 0.1Proconodontus muelleri, Prooneotodus, Proconodontus posterocostatus, Teridontus sp. Pt

37 HOMERstratigraphic position is distance in meters above (positive values) or below (negative values) base of Jordan Sandstone

HOMER 30.8

Oneotodus simplex, Teridontus gracilis, Cordylodus intermedius, Aloxoconus sp., Aloxoconus propinquus Ca

HOMER 29Oneotodus simplex, ?Aloxoconus sp., Acanthodus uncinatus? "likely" Ca

HOMER 28 Eoconodontus notchpeakensis E

HOMER 27.6Eoconodontus notchpeakensis, Proconodontus muelleri E

HOMER 24.6 Eoconodontus notchpeakensis E








HOMER minus 5.7Eoconodontus notchpeakensis, Proconodontus muelleri, Prooneotodus rotundatus E

38 BO-1 (and B-1)Position of sample is depth below land surface in feet

BO-1 310' 6" Teridontus nakamurai , Acanthodus uncinatusupper Cl through Rm

BO-1 320' 0"Teridontus nakamurai, Cordylodus proavus, Hirsutodontus hirsutus Hh

BO-1 390' 10" Eoconodontus notchpeakensis EBO-1 408' 0" Proconodontus muelleri EBO-1 434' 6" Eoconodontus notchpeakensis EBO-1 443' 0" Eoconodontus notchpeakensis EBO-1 450' 0" Eoconodontus notchpeakensis EBO-1 459' 6" Cambrooistodus cambricus E

BO-1 467' 0"Eoconodontus notchpeakensis, Proconodontus muelleri E

BO-1 472' 6"Eoconodontus notchpeakensis, Proconodontus muelleri E

BO-1 485' 6" Proconodontus muelleri PmBO-1 499' 0" Proconodontus muelleri Pm

BO-1 504' 6" Proconodontus muelleri, Teridontus nakamurai Pm

BO-1 509' 0" Proconodontus posterocostatus, Teridontus sp. PpBO-1 517' 10" Clelandia sp. IpBO-1 518' 3" Prosaukia or Saukiella IpBO-1 520 6" cf. Symphysurina or cf. Illaenurus Ip

BO-1 571' 6"

Chariocephalus whitfield (Hall), Prosaukia sp., Pseudagnostus josepha (Hall), Litagnostus ? sp., Illaenurus sp. , Ellipsocephaloides sp., Idiomesus? sp. Pr

BO-1 609' 6"Litagnostus sp., Pseudagnostus sp., Monocheilus, sp. Pt

BO-1 615' 1" Monocheilus sp. PtB-1 230' 3" Aphelaspis sp. ApB-1 230' 5" Aphelaspis? sp. ApB-1 234' 4" Aphelaspis sp. ApB-1 234' 6" Aphelaspis sp. ApB-1 239' 6" Aphelaspis? sp. Ap

B-1 249' 10" Aphelaspis sp. ApBO-1 785' 9" Crepicephalus sp. CrB-1 303' 0" Terranovella? sp. CrB-1 338' 7" Crepicephalus, menomoniid CrB-1 375' 2" "Cedaria" CeB-1 393' 0" "Cedaria" CeB-1 395' 2.5" "Cedaria" Ce

Runkel et al. Data Repository information

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5 2 134789 101112131416 171819212223

A"A'

A' A2425

3638

20 15 6

471460

21

78

98

67

67

65

5164

04

5561

49

475354

6982

28

1220

50

6172

454487

08

4714

60

70

80

84

22

56

47

67

81

36

51

17

35

67

99

53

49

32

49

64

56

23

45

32

39

21

94

83

5090

56

6435

05

25

59

1321

3504

22

44

26

2355

26

2136

782136

77

2131

06

2136

79

2136

81

2136

83

2136

80

2136

82

2129

66

2129

70

2299

53

2129

69

2129

61

2299

52

2129

72

2299

542129

76

2129

78

2129

81

2129

82

2129

97

2136

51

1174

9*

2549

8*

R-20

-2002

-01*

12

72

58

67

89

99

68

94

26

54

27

82

60

50

73

11

04

96

53

63

12

54

27

79

23

18

51

2230

82

22

78

47

& 5

46

91

1

55

63

16

2140

34

2211

14

2211

26

2211

51

2211

39

2211

46

2211

44

2211

38

2210

97

2317

21

2317

24

2317

31

2211

40

2317

28

2317

29

2317

08

2246

72

2317

04

2317

12

2317

06

2210

90

2317

22

100 FT

50

07

94

60

30

82

6802

71

55

61

35

1097

14

5542

29

4010

75

6632

00

4463

19

5593

46

5053

5220

8791

44

72

05

1858

10

20

83

28

23

30

89

24

19

41

23

61

53

25

59

45

49

67

85

2559

65

100 FT

S ub-Oneota sequence boundary

Lower S t Lawrence MF I

Lower Lone R ock/Davis MF I

T op Wonewoc F looding

T op Mt S imon F looding











Runkel et al. Figure DR2 Natural gamma-ray logs used for construction of cross-sections in Figures 6 and 7. Borehole construction specifications are available in the County Well Index (CWI) maintained by the Minnesota Geological Survey. A-A’ and A”-A’ refer to lines of section shown in Figures 1, 6, and 7. Large type size numbers 1 through 36 refer to control point numbers on cross sections in Figures 6 and 7. MFI=Maximum Flooding Interval.

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