C r k B l u e E a r t h C r e e k Blue Y e t C r e e k P o c o c k C r e e k C r a t e r C r e e k P h i l C r e e k C o l l e y C r e e k M c D o n a l d C r e e k H a t C r e e k M c C o r m i c k C r k e e k Parke Lake CAIRN PEAK BLUSTRY MTN C L E A R R A N G E 75 BC87080 58HN047 76 BC87080 O r e g o n J a T h r e C a s h C r e e k W h i t e R o c k C r e e k C r e e k H a t P h i l C r e e k B e d ar d Lak e Lan g l e y L a k e P o c o c k C r e e k C o l l e y C r e e k C r e e k Y e t B l u e E a r t h C r e e k M c C o r m i c k C r e e k r s o n C r e e k i u i n C r e e k n e y C r e e k Creek H at H a t C r e e k H a t C r e e k Finney Lake Aleece Lake MT MARTLEY R A N G E C a s h m e r e C r e e k H a t C r e e k F i n n e y C r e e k C r e e k H a t A m b u s t e n M e d i c H ar r y L a k e T R A C H Y T E H I L 199 BC 87084 78H8445 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 Ks EKd 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 Qbx Qbx MCb MCb 1 6 7 to ENE 2-5, 8-9 Two Spring Harry Lake Aspen Blue Earth Lake Bedard Aspen Oregon Jack Base Line -150 Mgals -154 Mgals Q W 7000 19000 15000 25000 22000 30000 10000 45000 92-I-12/G 92-I-12/H 92-I-12/I 92-I-13/A 1 6 5 4 4 3 3 2 2 1 8 7 3 3 9 9 8 8 7 7 6 6 5 5 4 4 9 2 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 61 70 51 60 61 70 71 80 100 100 100 121°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 Province of British Columbia Ministry of Energy and Mines New Ventures Branch Geology of the Hat Creek Coalfield Scale: 1 : 20,000 Projection: Universal Transverse Mercator (NAD83) 0 500 1,000 1,500 2,000 250 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. Alberta BRITISH 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 Creek area, 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 Survey of Canada, Memoir 262, 122 pages. Jory, L. T. (1975): Assessment Report, Hat Creek Coal Exploration Project; British Columbia Ministry of 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 4th Annual 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; British Columbia 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 of Early 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 British Columbia', 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 field observations and compilation from the list of References. Petroleum Geology Open File 2003-1 Location Map Sheet 1 of 3