Cr e e k

Bl u

e

Ea

rt

hC

re

ek

Blue

EarthLake

Y

e

t C

r

ee

k

P

o

c

o

c

k

C

re e

k

Cr

at

e r

Cr

e e kP

hi

l

Cr

e e k

Co

ll

ey

Cr

ee

k

Mc

D

o

na

ld

C r e ek

Ha

tC

re

ek

Mc

Co

rm

ic

kC

r

e e k

C r e ek

Parke

Lake

CAIRN

PEAK

BLUSTRY

MTN

C L E A R

R A N G E

2178

2136

75

BC87080

58HN047

76

BC87080

Or

eg

on

J

a

Si

st

er

s

Th

re

e

C a s h m e r e

C

re

ek

Wh

it

e

Ro

ck

Cr

ee

k

C

re

ek

H

a

t

P h i l

Cr

e

ek

B e d a r d

L a k e

L a n g l e y

L a k e

P oc

oc

k

Cr

ee

k

Co

ll

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C

re

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C r e e k

Y e t

B

l

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M c C o r m ic

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A

n

d

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s

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C r e e k

hi

p

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C

re e

k

F i nn

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y

Cr

e e k

C r e e k

H a t

Ha

t

Cr

ee

k

Ha

t

Cr

ee

k

Finney

Lake

Aleece

Lake

MT

MARTLEY

C L E A R

R A N G E

198

BC87084

Sis

te

rs

Th

re

eC

re

ek

Cr

ee

k

Ca

sh m

e r e

Ca

sh

m

er

e

C

r

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e

k

H a t

C r e e k

F

i n n e yC

re

ek

Cr

ee

k

H

a

t

A

m

b

u

st e

n

C re

e

k

M

ed

i

ci n e

C

r

H a r r y

L a k e

T R A C H Y T E H I L L S

199

BC 87084

78H8445

200

BC 87084

78H8432

T R A C H Y T E H I L L S

Kv

Kv

PCC

Ks

PCC

EMs

EMs

EFv

EMs

EKd

EMs

ECs

KsEKd

ECs

ECs

EMs

Ks

Ks

KG

PCC

PCC

ECs

EMs

ECs

EFv

Ks

Qsx

ECs

ECs

EMs

EHc

Kv

EMs

Qsx

EMs

EHc

EFv

EHc

EKd

Qbx

EKd

EHc

EHc

MCb

EHc

EMs

MCb

EKd

EFv

EFv

Qbx

EFv

MCb

PCC

EFv

Qbx

QbxQbx

MCb

MCb

1

6

7 to ENE

2-5, 8-9

Two Spring

Harry Lake Aspen

Blue Earth Lake

Bedard Aspen

Oregon Jack

Cornwall Hills

Base L

ine

-150 Mgals

-154 Mgals

Q

W

7000

19000

15000

25000

22000

30000

10000

45000

92-I-12/G

92-I-12/J

92-I-13/B

92-I-12/H

92-I-12/I

92-I-13/A

16

6

5

5

4

4

3

3

2

2 1

8

8

7

7

3

3

9

9

8

8

7

7

6

6

5

5

4

4

9

9

2

2

1

1

61

71

81

91

11

21

31

41

51

61

71

81

91

11

21

31

41

51

61

71

96 95 94 93 92

96 95 94 93 92

98 97

98 97

93

21 30

31 40

41 50

51 60

70

80

90

99 98 97 96 95 94

10

20

30

40

50

60

70

80

90

99 98 97 96 95 94

10

20

30

40

50

60

70

80

21 30

31 40

41 50

51 60

61 70

71 80

81 90

93 92 91 99

10

11 20

21 30

31 40

41 50

51 60

61 70

71 80

81 90

92 91 99

10

11 20

21 30

31 40

41 50

51 60

61 70

71 80

100

100

100

100

121°42'0"W

121°42'0"W

121°40'0"W

121°40'0"W

121°38'0"W

121°38'0"W

121°36'0"W

121°36'0"W

121°34'0"W

121°34'0"W

121°32'0"W

121°32'0"W

121°30'0"W

121°30'0"W

50°38'0"N

50°38'0"N

50°40'0"N

50°40'0"N

50°42'0"N

50°42'0"N

50°44'0"N

50°44'0"N

50°46'0"N

50°46'0"N

50°48'0"N

50°48'0"N

50°36'0"N

Cr e e k

Bl u

e

Ea

rt

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re

ek

Blue

EarthLake

Y

e

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r

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k

P

o

c

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c

k

C

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k

Cr

at

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Cr

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Cr

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Co

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Mc

D

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Ha

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ek

Mc

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C r e ek

Parke

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CAIRN

PEAK

BLUSTRY

MTN

C L E A R

R A N G E

2178

2136

75

BC87080

58HN047

76

BC87080

Or

eg

on

J

a

Si

st

er

s

Th

re

e

C a s h m e r e

C

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ek

Wh

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Ro

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Cr

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k

C

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H

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P h i l

Cr

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ek

B e d a r d

L a k e

L a n g l e y

L a k e

P oc

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k

Cr

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k

Co

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C

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C r e e k

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B

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C r e e k

H a t

Ha

t

Cr

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k

Ha

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Cr

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MT

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R A N G E

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Sis

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Th

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Cr

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C re

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k

M

ed

i

ci n e

C

r

H a r r y

L a k e

T R A C H Y T E H I L L S

199

BC 87084

78H8445

200

BC 87084

78H8432

T R A C H Y T E H I L L S

Kv

Kv

PCC

Ks

PCC

EMs

EMs

EFv

EMs

EKd

EMs

ECs

KsEKd

ECs

ECs

EMs

Ks

Ks

KG

PCC

PCC

ECs

EMs

ECs

EFv

Ks

Qsx

ECs

ECs

EMs

EHc

Kv

EMs

Qsx

EMs

EHc

EFv

EHc

EKd

Qbx

EKd

EHc

EHc

MCb

EHc

EMs

MCb

EKd

EFv

EFv

Qbx

EFv

MCb

PCC

EFv

Qbx

QbxQbx

MCb

MCb

1

6

7 to ENE

2-5, 8-9

Two Spring

Harry Lake Aspen

Blue Earth Lake

Bedard Aspen

Oregon Jack

Cornwall Hills

Base L

ine

-150 Mgals

-154 Mgals

Q

W

7000

19000

15000

25000

22000

30000

10000

45000

92-I-12/G

92-I-12/J

92-I-13/B

92-I-12/H

92-I-12/I

92-I-13/A

16

6

5

5

4

4

3

3

2

2 1

8

8

7

7

3

3

9

9

8

8

7

7

6

6

5

5

4

4

9

9

2

2

1

1

61

71

81

91

11

21

31

41

51

61

71

81

91

11

21

31

41

51

61

71

96 95 94 93 92

96 95 94 93 92

98 97

98 97

93

21 30

31 40

41 50

51 60

70

80

90

99 98 97 96 95 94

10

20

30

40

50

60

70

80

90

99 98 97 96 95 94

10

20

30

40

50

60

70

80

21 30

31 40

41 50

51 60

61 70

71 80

81 90

93 92 91 99

10

11 20

21 30

31 40

41 50

51 60

61 70

71 80

81 90

92 91 99

10

11 20

21 30

31 40

41 50

51 60

61 70

71 80

100

100

100

100

121°42'0"W

121°42'0"W

121°40'0"W

121°40'0"W

121°38'0"W

121°38'0"W

121°36'0"W

121°36'0"W

121°34'0"W

121°34'0"W

121°32'0"W

121°32'0"W

121°30'0"W

121°30'0"W

50°38'0"N

50°38'0"N

50°40'0"N

50°40'0"N

50°42'0"N

50°42'0"N

50°44'0"N

50°44'0"N

50°46'0"N

50°46'0"N

50°48'0"N

50°48'0"N

50°36'0"NProvince of British ColumbiaMinistry of Energy and MinesNew Ventures Branch

Geology of theHat Creek Coalfield

Scale: 1 : 20,000Projection: Universal Transverse Mercator (NAD83)

0 500 1,000 1,500 2,000250

Meters

Infrastructure

Paved Road

Gravel Road

Rough Road

Transmission Line

Swamp or Marsh

Building

Coal Exploration Wells

Coal Field Boundary

Parks and Protected Areas

Legend

Yukon N.W.T.

U.S.A.

AlbertaBRITISH

COLUMBIA

Last modified: March 17, 2003

(estimate)

Burnt coal

Geology

Eocene

Unconsolidated landslide debri and colluvium

Chilcotin Group: basalt lava and breccia

Finney Lake Fm: well lithified lahar and volcanics

Medicine Creek Fm: grey claystone, siltstone

Hat Creek Fm: interbeded coal and clastic beds

Coldwater Fm: sandstone, conglomerate, volcanics

Kamloops Group: dacitic lava and breccia

Upper Cretaceous

Middle Cretaceous

Mount Lytton batholith

sandstone, siltstone, conglomerate

Spences Bridge Group: dacitic lava, breccia

Cache Creek Group: limestone, chert, schist

Lower Cretaceous

Permian

-150 Mgals

-154 Mgals

Kv

PCC

Syncline

25 000

Photo Location

Geological Cross Section

G.M. Dawson Discovery Zone - 1877

Excavation and Bulk Sampling

Photograph taken July 1977

'A' Trench - July 1977

Burnt Zone

'A' Trench - July 1977

Fused Shale

Burnt Zone - 'A' Trench

Fused Maghematite 'Stump'

Burnt Zone - 'A' Trench

Lithostratigraphic Markers

'B' Trench

Panorama of Upper Hat Creek Valley

View Looking East-Northeast

Coal Measures on Coldwater Formation

Base of 'D' Seam - 'A' Trench

Hematite Fossil Stump Remains

Burnt Zone - 'A' Trench

Base Line(BC Hydro 10 000' grid)

4

5

3

2

1

8

7

6

9

0 200 400

Kilometers

Cartography by: Mike Fournier

Geological Contact

Geological Fault

Ks

EKd

KG

ECs

EHc

EMs

EFv

Quaternary

Miocene

Qbx

Qsx

MCb

Outcrops

Anticline

Gravity Anomaly

Ager, C. A. (1976): Hat Creek Basin Gravity Survey; British Columbia Ministry of Energy,Mines and Petroleum Resources, Coal File Report 134, 45 pages.

British Columbia Hydro & Power Authority (1979): Hat Creek Geological Report, No. 1 Deposit;Volume I Main Text (May 1979), Volume II Appendix (November 1979).

Campbell, D. D. (1975): Progress Report No. 1, Hat Creek Project, No. 2 Deposit;British Columbia Hydro and Power Authority, 14 pages.

Campbell, D. D., Jory, L. T. and Saunders, C. (1977): Geology of the Hat Creek Coal Deposits,Canadian Institute of Mining Bulletin, pages 99 to 108.

Church, B. N. (1977): 'Geology of the Hat Creek Coal Basin' in Geology in British Columbia 1975;British Columbia Ministry of Energy, Mines and Petroleum Resources, pages G99-G118.

Church, B. N. (1981): 'Further Studies of the Hat Creek Coal Deposit' in Geological Fieldwork 1980;British Columbia Ministry of Energy, Mines and Petroleum Resources, Paper 1981-1, pages 73-77.

Church, B. N., Matheson, A. and Hora, Z. D. (1979): Combustion Metamorphism in the Hat Creekarea, British Columbia; Canadian Journal of Earth Sciences, Volume 16, pages 1882-1887.

Duffell, S. and McTaggart, K. C. (1952): Ashcroft Map-area, British Columbia; Geological Surveyof Canada, Memoir 262, 122 pages.

Jory, L. T. (1975): Assessment Report, Hat Creek Coal Exploration Project; British Columbia Ministryof Energy, Mines and Petroleum Resources, Assessment Report, 21 pages.

Kim, H. (1979): Depositional Environment and Stratigraphic Subdivision, Hat Creek, No. 1 Deposit,British Columbia, Canada; British Columbia Hydro and Power Authority, pater presented at the 4thAnnual Meeting of the Canadian Institute of Mining and Metallurgy, Vancouver, British Columbia, October 25-27, 20 pages.

McCullough, P. T. (1975): Memorandum on Hat Creek Exploration Program, Memorandum; BritishColumbia Hydro and Power Authority, 12 pages.

Monger, J. W. H., and McMillan, W. J. (1982): Bedrock Geology of Ashcroft (92I) Map Area;Geological Survey of Canada, Open File 980.

Poinar, George Jr., Achibald, B. and Brown, A. (1999): New Amber Deposit Provides Evidence ofEarly Paleogene Extinctions, Paleoclimates and Past Distributions; The Canadian Entomologist,March/April issue, pages 171-177.

Read, P. B. (1990): 'Cretaceous and Tertiary Stratigraphy and Industrial Minerals, Hat Creek BritishColumbia', Open File 1990-23, British Columbia Ministry of Energy, Mines and Petroleum Resources,map scale 1:25,000.

Geology References

Geological interpretation by B. N. Church, based on fieldobservations and compilation from the list of References.

Petroleum GeologyOpen File 2003-1

Location Map

Sheet 1 of 3