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78H8445
200
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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
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91
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61
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96 95 94 93 92
98 97
98 97
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99 98 97 96 95 94
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99 98 97 96 95 94
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61 70
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93 92 91 99
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21 30
31 40
41 50
51 60
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71 80
81 90
92 91 99
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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
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Co
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r
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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
re
ek
Wh
it
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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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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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Cr
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k
Co
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C
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C r e e k
Y e t
B
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M c C o r m ic
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C r e e k
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C r e e k
H a t
Ha
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Cr
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Ha
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Cr
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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
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Ca
sh
m
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C
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H a t
C r e e k
F
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Cr
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H
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A
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b
u
st e
n
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
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