î Hî H Ll - ftp.llu.eduftp.llu.edu/lbrand/bridger/halfwayholW.pdf · .50 KILO M ET R S1 U .S N at...

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o o o o o o o o o o o o H H î î o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î î " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " o o o o o o o o o o o o o o o o o o o o o o o o o o o o H î H H H H H H H H H H î î î î î î î î î î " " " " " " " " " H H H î î î " " " H H H î î î î " " " " H H î î " " 6 3 0 0 6 1 0 0 6 4 0 0 6 2 0 0 6 5 0 0 6 1 0 0 6 4 0 0 6 4 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 4 0 0 6 3 0 0 6 4 0 0 6 3 0 0 6 2 0 0 6 2 0 0 6 1 0 0 6 1 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 2 0 0 6 3 0 0 6 1 0 0 6 2 0 0 6 3 0 0 6 4 0 0 6 2 0 0 6 4 0 0 6 2 0 0 6 3 0 0 6 2 0 0 6 3 0 0 6 2 0 0 6 3 0 0 6 4 0 0 6 2 0 0 6 2 0 0 6 4 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 2 0 0 6 1 0 0 6 4 0 0 6 3 0 0 6 4 0 0 6 1 0 0 6 3 0 0 6 2 0 0 6 2 0 0 6 2 0 0 6 3 0 0 6 3 0 0 6 2 0 0 6 2 0 0 6 2 0 0 6 3 0 0 6 2 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 3 0 0 6 4 0 0 6 3 0 0 6 2 0 0 6 2 0 0 6 2 0 0 6 2 0 0 1 0 5 0 1 0 5 0 L 0 1 1 ¬ « 5 3 0 ¬ « 5 3 0 ¬ « 5 3 0 M C K I N N O N R D U S F S R D 1 1 A S H L E Y N A T I O N A L F O R E S T A S H L E Y N A T I O N A L F O R E S T A S H L E Y N A T I O N A L F O R E S T B i g D r y C r B i g D r y C r L i t t l e D r y C r B i g D r y C r B i g D r y C r B i g D r y C r F E E T 8 1 6 9 F E E T 6 1 1 0 5 4 5 8 1 6 6 6 8 1 3 6 6 2 0 ' 4 5 7 5 6 9 7 5 7 3 4 5 6 4 5 4 5 3 0 " 1 0 9 ° 6 1 7 ' 3 0 " 4 5 3 0 " 4 5 4 2 ' 2 8 0 8 0 7 0 7 2 0 5 0 7 1 1 0 9 F E E T 7 3 7 6 0 9 7 9 0 6 7 7 1 0 1 4 7 1 6 8 6 1 3 0 " 0 0 0 1 0 9 ° 3 0 " 7 2 0 4 5 4 5 4 5 4 5 4 5 6 0 0 0 m 6 4 5 1 5 ' 1 0 9 ° 4 1 ° 6 E 3 7 ' 4 5 1 2 2 ' 4 5 6 6 6 3 0 " 4 5 1 0 9 ° 4 1 ° 7 0 0 0 0 0 7 8 1 5 ' 7 1 7 0 1 7 ' 6 4 5 4 5 7 4 1 2 7 8 N F E E T 7 6 0 0 0 m 4 5 7 7 1 2 4 5 E 0 0 0 7 9 4 5 ' 3 1 0 6 4 1 ° 4 5 4 5 ' 2 2 ' 2 0 ' 7 4 0 8 N 4 5 1 4 4 1 ° 0 6 0 0 0 0 0 0 m 4 5 3 0 " 4 5 6 4 0 ' 3 0 " 4 0 ' 4 5 4 2 ' 1 3 0 0 0 m 4 5 6 3 7 ' 8 0 4 5 1 0 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 1000 1 0.5 0 METERS MILES FEET CONTOUR INTERVAL 20 FEET NORTH AMERICAN VERTICAL DATUM OF 1988 SCALE 1:24 000 KILOMETERS 1 1 0.5 0 500 1000 2 Base Map from the U.S. Geological Survey 1:24,000-scale Topographic map of the Halfway Hollow West, Wyoming 7 1/2 minute Quadrangle, 2012 North American Datum of 1983 (NAD83) World Geodetic System of 1984 (WGS84). Projection and 1,000-meter grid: Universal Transvers Mercator, Zone 12T 10,000-foot ticks: Wyoming Coordinate System of 1983 (west and west central zones) Digital cartography by Caleb W. Stanton Loma Linda University Earth and Biological Sciences Griggs Hall Loma Linda, CA 92350 P 909.558.4530 F 909.558.0259 GEOLOGIC MAP OF THE HALFWAY HOLLOW WEST QUADRANGLE SWEETWATER COUNTY, WYOMING by Leonard R. Brand 2014 UTM GRID AND 2012 MAGNETIC NORTH DECLINATION AT CENTER OF SHEET × Ù MN GN 0° 52´ 15 M ILS 11° 17´ 201 M ILS ADJOINING 7.5' QUADRANGLES Blacks Fork Bridge Antelope Knoll NE Winter Fat Reservoir Black Spring Reservoir Halfway Hollow E Haystack Buttes N Massacre Hill Halfway Hollow W Devils Playground HALFWAY HOLLOW WEST QUADRANGLE WYOMING 7.5-MINUTE SERIES LOMA LINDA UNIVERSITY Earth and Biological Sciences Loma Linda, CA Bridger Fm Project Location Map Grizzly Buttes limestone Sugar white layer Lower red bed Dry creek limestone Cottonwood white layer Church Butte tuff* Jackson Ridge limestone Lower turtle layer Golden bench limestone Black Mountain turtle layer Sage Creek limestone Upper turtle layer (not mapped) Upper Bridger B Lower Bridger B Jagged Butte limestone Meadow Springs white layer SCl JBl MSwl BMtl Gbl Ltl JRl Cwl CBt GBl Swl lrb dcl Ll * In the southeastern part of the basin the CBt is immediately above a resistant, bench-forming limestone 0 20 40 60 80 100 120 140 160 180 200 220 240 Meters Middle Bridger B Lyman limestone Marker unit, exposed, see ABBREVIATIONS FOR MARKER UNITS Marker unit, inferred where poorly exposed; see ABBREVIATIONS FOR MARKER UNITS Measured section; dotted line indicates break or offset in section; see KEY TO MEASURED SECTIONS GENERALIZED STRATIGRAPHIC SECTION IN THE BLACK FORKS AREA MAP SYMBOLS Map reference Description KEY TO MEASURED SECTIONS (blue indicates sections shown on this map) BMtl V-2 G-6 M-1 WB-10 WB-3 WB-11 WB-6 AK-21 AK-9 AK-8 AK-16 AKN-1 BKD-7 BKD-8 BKD-11 NR-29 NR-33 WF-41 WF-28 HHW-19 CB-5 Ll lrb JRl GBl CBt JBl Cwl WF-6 Swl dcl Sugar white layer to Golden bench limestone Lyman limestone to Sugar white layer Lower red bed to Jackson Ridge limestone Golden bench limestone to Jagged Butte limestone Black Mountain turtle layer to Sage Creek limestone Golden bench limestone to Sage Creek limestone Black Mountain turtle layer to Sage Creek limestone Cottonwood white layer to Sage Creek limestone WB-15 Golden bench limestone to Jagged Butte limestone Sugar white layer to Golden bench limestone Black Mountain turtle layer to Sage Creek limestone Golden bench limestone to Sage Creek limestone Cottonwood white layer to Sage Creek limestone Sugar white layer to Jackson Ridge limestone TH-2 Black Mountain turtle layer to Sage Creek limestone TH-14 Golden bench limestone to Black Mountain turtle layer Golden bench limestone to Sage Creek limestone Golden bench limestone to Sage Creek limestone Lower turtle layer to Sage Creek limestone Golden bench limestone to Sage Creek limestone Sugar white layer to lower turtle layer Dry Creek limestone to Sugar white layer Lyman limestone to dry creek limestone Lyman limestone to lower red bed Lyman limestone Type locality Lower red bed Type locality Jackson Ridge limestone Type locality Grizzly Buttes limestone Type locality Church Butte tuff Type locality Jagged Butte limestone Type locality MSwl Meadow Springs white layer Type locality Cottonwood white layer Type locality Lower turtle layer to Golden bench limestone Sugar white layer Type locality Swl Sugar white layer Type locality Dry creek limestone Type locality MSwl MSwl BBI Base of Bishop Congl. ABBREVIATIONS FOR MARKER UNITS (red indicates units shown on this map) BELS ULS BBS LTLS HFT SHLS SCl JBl MSwl BMtl Gbl Ltl Basal E Limestone Upper White Limestone Basal Blue Limestone Lonetree Limestone Henrys Fork Tuff Soap Holes Limestone Sage Creek limestone WRl Whiskey Reservoir limestone Jagged Butte limestone Meadow Springs white layer Black Mountain turtle layer Golden bench limestone Lower turtle layer JRl Jackson Ridge limestone Cwl CBt GBl Swl dcl Cottonwood white layer Church Butte tuff Grizzly Buttes limestone Sugar white layer Dry creek limestone Ll Lyman limestone TbBm middle Bridger B TbBl lower Bridger B UM unmapped TbDl TbDm middle Bridger D TbDu TbE upper Bridger D lower Bridger D TbCl TbCm middle Bridger C TbCu upper Bridger C lower Bridger C TbBu upper Bridger B Black Forks Member (”Lower Bridger” or Bridger A and B) (early and middle Eocene) Twin Buttes Member (”Upper Bridger” or Bridger C and D) (middle Eocene) Turtle Bluff Member (Bridger E) (middle Eocene) BRIDGER FORMATION (early and middle Eocene) BISHOP CONGLOMERATE GEOLOGIC MAP UNITS EXPLANATION TbBl TbBl UM UM UM UM TbBm dcl Ll dcl Ll Ll Ll Swl Swl GBl GBl Cwl Cwl CBt CBt JRl JRl Ltl Ltl Location of Halfway Hollow West Quadrangle (Oligocene)

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U . S . D E P A R T ME NT O F T H E INT E R IO RU . S . G E O L O G IC A L S U R V E Y

W Y O MI NG

A D J O IN IN G 7 . 5 ' Q U A D R A N G L E S

Q U A D R A N G L E L O C A T IO N

H A L F W A Y H O L L O W W E S T Q U A D R A NG L EW Y O MIN G -S W E E T W A T E R C O .

7 . 5 -M IN U T E S E R IE S

H A L F W A Y H O L L O W W E S T , W Y2 0 1 2

Interstate R oute S tate R oute

R O A D C L A S S IF IC A T IO N

R amp 4 W D

US R oute L ocal R oad

C heck with local Forest S ervice unitfor current travel conditions and restrictions.

FS Primary Route FS High Clearance Route

FS PassengerRouteJ K L

Interstate Route State RouteUS RouteWX ./ H

North A merican D atum of 1 9 8 3 (N A D 8 3 )World G eodetic S ystem of 1 9 8 4 (W G S 8 4 ). Projection and1 0 0 0 -meter gr id: U niversal T ransverse Mercator , Zone 1 2 T

P roduced by the U nited S tates G eological S urvey

1 0 0 0 0 -foot tick s: W yoming C oordinate S ystem of 1 9 8 3(west central zone)

Imagery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N A IP , J uly 2 0 0 9R oads. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . © 2 0 0 6 -2 0 1 1 T omT omR oads within U S F orest S ervice L ands. . . . . . . . . . . . . FS T opo D ata with limited Forest S ervice updates, 2 0 0 9Names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G N IS , 2 0 1 1H ydrography. . . . . . . . . . . . . . . . . N ational H ydrography D ataset, 2 0 0 9C ontours. . . . . . . . . . . . . . . . . . . . . . . . . . . . . N ational E levation D ataset, 2 0 0 0B oundaries. . . . . . . . . . . . . . C ensus, IB W C , IB C , U S G S , 1 9 7 2 - 2 0 1 0Public L and S urvey S ystem. . . . . . . . . . . . . . . . . . . . . . . B L M, 2 0 0 6 - 2 0 0 8

T his map was produced to conform with the National G eospatia l P rogram U S T opo P roduct S tandard, 2 0 1 1 .

A metadata file associated with this product is draft version 0 . 6 . 3

C O N T O UR IN T E R V A L 2 0 F E E TNO R T H A ME R IC A N V E R T IC A L D A T UM O F 1 9 8 8

S C A L E 1 : 2 4 0 0 0

1 0.5 0

MILES

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1000 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000

FEET

1000 500 0 METERS 1000 2000

21KILOMETERS00.51

U.S . N ational G rid

100,0 00-m S quare ID

Grid Zone De s ignation

XL

12T

×

ÙM N

G N

UT M G R ID A ND 2 0 1 2 M A G NE T IC NO R T HD E C L I NAT IO N AT C E NT E R O F S H E E T

0° 52 ´15 M ILS

11° 17´201 M ILS

1000090008000700060005000400030002000100001000

1 0.5 0METERS

MILES

FEETCONTOUR INTERVAL 20 FEET

NORTH AMERICAN VERTICAL DATUM OF 1988

SCALE 1:24 000KILOMETERS 11 0.5

05001000

2Base Map from the U.S. Geological Survey 1:24,000-scaleTopographic map of the Halfway Hollow West, Wyoming 7 1/2 minute Quadrangle, 2012

North American Datum of 1983 (NAD83)World Geodetic System of 1984 (WGS84). Projection and 1,000-meter grid: Universal Transvers Mercator, Zone 12T10,000-foot ticks: Wyoming Coordinate System of 1983 (west and west central zones)

Digital cartography by Caleb W. Stanton

Loma Linda University Earth and Biological Sciences

Griggs HallLoma Linda, CA 92350

P 909.558.4530F 909.558.0259

GEOLOGIC MAP OF THE HALFWAY HOLLOW WEST QUADRANGLESWEETWATER COUNTY, WYOMING

by Leonard R. Brand

2014

U T M G R I D A N D 2 0 1 2 M A G N E T I C N O R T HD E C L I N A T I O N A T C E N T E R O F S H E E T

×

ÙM N

G N0° 52 ´

15 M ILS

11° 17 ´201 M IL S

A D J O IN IN G 7 . 5 ' Q U A D R A N G L E S

BlacksFork

Bridge

AntelopeKnoll NE

Winter FatReservoir

BlackSpring

Reservoir

HalfwayHollow E

HaystackButtes N

MassacreHill

HalfwayHollow W

DevilsPlayground

H A L F W A Y H O L L O W W E S T Q U A D R A N G L EWYOMING

7.5-MINUTE SERIES

L O M A L I N D A U N I V E R S I T YEarth and Biological SciencesLoma Linda, CA

Bridger Fm Project Location Map

Grizzly Buttes limestone

Sugar white layerLower red bedDry creek limestone

Cottonwood white layer

Church Butte tuff*

Jackson Ridge limestoneLower turtle layer

Golden bench limestone

Black Mountain turtle layer

Sage Creek limestone

Upper turtle layer (not mapped)

Upp

erB

ridge

r BLo

wer

Brid

ger B

Jagged Butte limestone

Meadow Springs white layer

SClJBl

MSwlBMtl

Gbl

LtlJRlCwl

CBtGBl

Swllrb

dclLl

* In the southeastern part of the basin the CBt is immediately above a resistant, bench-forming limestone

0

20

40

60

80

100

120

140

160

180

200

220

240

Met

ers

Mid

dle

Brid

ger B

Lyman limestone

Marker unit, exposed, see ABBREVIATIONS FOR MARKER UNITS

Marker unit, inferred where poorly exposed; seeABBREVIATIONS FOR MARKER UNITS

Measured section; dotted line indicates break oroffset in section; see KEY TO MEASURED SECTIONS

GENERALIZED STRATIGRAPHIC SECTION IN THE BLACK FORKS AREA

MAP SYMBOLS

Map reference Description

KEY TO MEASURED SECTIONS(blue indicates sections shown on this map)

BMtl

V-2

G-6

M-1

WB-10

WB-3

WB-11

WB-6

AK-21

AK-9AK-8

AK-16

AKN-1BKD-7BKD-8BKD-11

NR-29NR-33

WF-41WF-28

HHW-19

CB-5

Lllrb

JRl

GBl

CBt

JBl

Cwl

WF-6

Swl

dcl

Sugar white layer to Golden bench limestone

Lyman limestone to Sugar white layer

Lower red bed to Jackson Ridge limestone

Golden bench limestone to Jagged Butte limestone

Black Mountain turtle layer to Sage Creek limestone

Golden bench limestone to Sage Creek limestone

Black Mountain turtle layer to Sage Creek limestone

Cottonwood white layer to Sage Creek limestone

WB-15 Golden bench limestone to Jagged Butte limestone

Sugar white layer to Golden bench limestone

Black Mountain turtle layer to Sage Creek limestoneGolden bench limestone to Sage Creek limestone

Cottonwood white layer to Sage Creek limestone

Sugar white layer to Jackson Ridge limestone

TH-2 Black Mountain turtle layer to Sage Creek limestoneTH-14

Golden bench limestone to Black Mountain turtle layerGolden bench limestone to Sage Creek limestoneGolden bench limestone to Sage Creek limestone

Lower turtle layer to Sage Creek limestoneGolden bench limestone to Sage Creek limestone

Sugar white layer to lower turtle layerDry Creek limestone to Sugar white layer

Lyman limestone to dry creek limestone

Lyman limestone to lower red bed

Lyman limestone Type localityLower red bed Type locality

Jackson Ridge limestone Type locality

Grizzly Buttes limestone Type locality

Church Butte tuff Type locality

Jagged Butte limestone Type locality

MSwl Meadow Springs white layer Type locality

Cottonwood white layer Type locality

Lower turtle layer to Golden bench limestone

Sugar white layer Type localitySwl Sugar white layer Type locality

Dry creek limestone Type locality

MSwl

MSwl

BBI Base of Bishop Congl.

ABBREVIATIONS FOR MARKER UNITS(red indicates units shown on this map)

BELS

ULSBBS

LTLS

HFT

SHLS

SCl

JBl

MSwl

BMtl

Gbl

Ltl

Basal E Limestone

Upper White Limestone

Basal Blue Limestone

Lonetree Limestone

Henrys Fork Tuff

Soap Holes Limestone

Sage Creek limestone

WRl Whiskey Reservoir limestone

Jagged Butte limestone

Meadow Springs white layer

Black Mountain turtle layer

Golden bench limestone

Lower turtle layer

JRl Jackson Ridge limestone

Cwl

CBt

GBl

Swl

dcl

Cottonwood white layer

Church Butte tuff

Grizzly Buttes limestone

Sugar white layer

Dry creek limestone

Ll Lyman limestone

TbBm middle Bridger B

TbBl lower Bridger B

UM unmapped

TbDl

TbDm middle Bridger D

TbDu

TbE

upper Bridger D

lower Bridger D TbCl

TbCm middle Bridger C

TbCu upper Bridger C

lower Bridger C

TbBu upper Bridger B

Black Forks Member (”Lower Bridger” or Bridger A and B) (early and middle Eocene)

Twin Buttes Member (”Upper Bridger” or Bridger C and D) (middle Eocene)

Turtle Bluff Member (Bridger E) (middle Eocene)

BRIDGER FORMATION (early and middle Eocene)

BISHOP CONGLOMERATE

GEOLOGIC MAP UNITS

EXPLANATION

T b B l

T b B l

U M

U M

U M

U M

T b B m

dcl

Ll

dcl

Ll

Ll

Ll

Swl

Swl

GBl

GBl

Cwl

Cwl

CBt

CBt

JRl

JRl

Ltl

Ltl

Location of Halfway Hollow West Quadrangle

(Oligocene)