General Information
Primary Commodities: coal
Aliases: Wernecke
Deposit Type(s): Coal
Location(s): 65.206940 N, -135.025830 W
NTS Mapsheet(s): 106E03
Location Comments: 1 Kilometres
Hand Samples Available at YGS: No
Capsule
Work History
Acquired as Coal Exploration Licence #77 in Nov/77 by Pan Ocean Oil Ltd, which staked the mineral rights as Pole cl (YA30733) in Jun/78, and carried out geological mapping and drilled 1 hole (117 m) in 1978 and 2 holes (660 m) in 1980. The area was relicensed as #134 in Nov/80; #366 in Nov/83; and CYM0012 by P. Wheelton in Dec/2001.
Capsule Geology
Three coal seams outcrop in a Late Cretaceous (Cenomanian to Maastrichtian) section of conglomerate, sandstone and shale that forms the middle unit of the Bonnet Plume Formation. The coarse clastic rocks were laid down in wet alluvial fans and braided rivers while the associated silt, mud and coal were deposited in lacustrine, paludal and overbank flood plain environments and were preserved by rapid progradation of conglomeratic fluvial sequences.
The deposit occurs within a 25 to 35°, south-dipping monocline that is well defined for a length of 4.5 km and partially defined for an additional 2.5 km. The coal-bearing sequence is fault bounded on both sides. Only the two upper seams were intersected in drillholes and included in reserves.
The uppermost (#1), which has been correlated with the upper seam at the Illtyd deposit (Minfile Occurrence #106E 035), contained an average of 5.7 m of mineable coal within an 8.5 m thick seam. It has a conglomerate hanging wall and a shale footwall. The #2 seam lies 30 m beneath the #1 seam and averages 9.5 m thick, with similar wallrocks.
The coal has the following specifications: yield 67.8%, moisture 4.6%, ash 11.1%, volatiles 36.0%, fixed carbon 48.4% and specific energy of 23 297.2 kJ/kg. Indicated and inferred in-situ reserves are estimated at 104 650 000 and 28 930 000 tonnes, respectively, of high volatile, bituminous C non-coking coal.
References
AURUM GEOLOGICAL CONSULTANTS INC., 1994. Yukon Coal Inventory 1994. Energy and Mines Branch, Economic Development, Yukon Territorial Government, 169 p.
GEOLOGICAL SURVEY OF CANADA 1980, Open File 715.
GEOLOGICAL SURVEY OF CANADA Paper 76-8; Paper 78-1A, p. 399-401.
NORRIS, D.K., ET AL., 1993. The geology, mineral and hydrocarbon potential of the Northern Yukon Territory and Northwestern District of Mackenzie. Geological Survey of Canada Memoir, in press.
PAN OCEAN OIL LTD, 1978. Assessment Report *#061805 by J.S. Mckinney.
PAN OCEAN OIL LTD, 1978. Assessment Report *#061806 by Z. Kolisnyk.
PAN OCEAN OIL LTD, 1978. Assessment Report *#061807 by J.S. Mckinney.
PAN OCEAN OIL LTD, 1979. Assessment Report *#061887 by O.R. Cullingham and D. Hope.
PAN OCEAN OIL LTD, 1979. Assessment Report *#061888 by O.R. Cullingham and D. Hope.
PAN OCEAN OIL LTD, 1979. Assessment Report *#061889 by D.E. Nutter.
PAN OCEAN OIL LTD, Feb/80. Assessment Report #061966 by O.R. Cullingham.
PAN OCEAN OIL LTD, COAL DEPT, Jan/81. Assessment Report #062055 by O.R. Cullingham, G. Germscheid, D. Garrison, J.S. McKinney, A. Hargrave and D.C. Hope.
Acquired as Coal Exploration Licence #77 in Nov/77 by Pan Ocean Oil Ltd, which staked the mineral rights as Pole cl (YA30733) in Jun/78, and carried out geological mapping and drilled 1 hole (117 m) in 1978 and 2 holes (660 m) in 1980. The area was relicensed as #134 in Nov/80; #366 in Nov/83; and CYM0012 by P. Wheelton in Dec/2001.
Capsule Geology
Three coal seams outcrop in a Late Cretaceous (Cenomanian to Maastrichtian) section of conglomerate, sandstone and shale that forms the middle unit of the Bonnet Plume Formation. The coarse clastic rocks were laid down in wet alluvial fans and braided rivers while the associated silt, mud and coal were deposited in lacustrine, paludal and overbank flood plain environments and were preserved by rapid progradation of conglomeratic fluvial sequences.
The deposit occurs within a 25 to 35°, south-dipping monocline that is well defined for a length of 4.5 km and partially defined for an additional 2.5 km. The coal-bearing sequence is fault bounded on both sides. Only the two upper seams were intersected in drillholes and included in reserves.
The uppermost (#1), which has been correlated with the upper seam at the Illtyd deposit (Minfile Occurrence #106E 035), contained an average of 5.7 m of mineable coal within an 8.5 m thick seam. It has a conglomerate hanging wall and a shale footwall. The #2 seam lies 30 m beneath the #1 seam and averages 9.5 m thick, with similar wallrocks.
The coal has the following specifications: yield 67.8%, moisture 4.6%, ash 11.1%, volatiles 36.0%, fixed carbon 48.4% and specific energy of 23 297.2 kJ/kg. Indicated and inferred in-situ reserves are estimated at 104 650 000 and 28 930 000 tonnes, respectively, of high volatile, bituminous C non-coking coal.
References
AURUM GEOLOGICAL CONSULTANTS INC., 1994. Yukon Coal Inventory 1994. Energy and Mines Branch, Economic Development, Yukon Territorial Government, 169 p.
GEOLOGICAL SURVEY OF CANADA 1980, Open File 715.
GEOLOGICAL SURVEY OF CANADA Paper 76-8; Paper 78-1A, p. 399-401.
NORRIS, D.K., ET AL., 1993. The geology, mineral and hydrocarbon potential of the Northern Yukon Territory and Northwestern District of Mackenzie. Geological Survey of Canada Memoir, in press.
PAN OCEAN OIL LTD, 1978. Assessment Report *#061805 by J.S. Mckinney.
PAN OCEAN OIL LTD, 1978. Assessment Report *#061806 by Z. Kolisnyk.
PAN OCEAN OIL LTD, 1978. Assessment Report *#061807 by J.S. Mckinney.
PAN OCEAN OIL LTD, 1979. Assessment Report *#061887 by O.R. Cullingham and D. Hope.
PAN OCEAN OIL LTD, 1979. Assessment Report *#061888 by O.R. Cullingham and D. Hope.
PAN OCEAN OIL LTD, 1979. Assessment Report *#061889 by D.E. Nutter.
PAN OCEAN OIL LTD, Feb/80. Assessment Report #061966 by O.R. Cullingham.
PAN OCEAN OIL LTD, COAL DEPT, Jan/81. Assessment Report #062055 by O.R. Cullingham, G. Germscheid, D. Garrison, J.S. McKinney, A. Hargrave and D.C. Hope.
Location Map
Last Updated: Sep 15, 2011
Work History
| Year | Work Type | Comment |
|---|---|---|
| 1980 | Drilling: Diamond | Number of holes drilled: 2 Amount of work done: 660 METRES |
| 1978 | Drilling: Diamond | Number of holes drilled: 1 Amount of work done: 117 METRES |
| 1978 | Geology: Bedrock Mapping |
Regional Geology - Terrane
Group: Ancestral North America
Affinity: W Laurentia
Name: North America - platformal strata
Realm: Laurentia
Regional Geology - Bedrock
Supergroup:
Group/Suite:
Formation: Bonnet Plume
Member:
Terrane:
Period Max: Cretaceous
Age Max: 120 MA
Period Min: Cretaceous
Age Min: 66 MA
Rock Major: shale/sandstone/conglo
Rock Minor:
Reference: Norris (1982) - GSC Map 1528A
Geological Unit (1M): KM
Geological Unit (250K): KM4
Assessment Reports that overlap occurrence
| Report Number | Year | Title | Worktypes | Holes Drilled | Meters Drilled |
|---|---|---|---|---|---|
| 095603 | 2006 | Assessment Report Describing Airborne Geophysics and Digital Data Compilation at the Win Property | Magnetic - Airborne Geophysics, Data Compilation - Pre-existing Data | ||
| 095826 | 2004 | Wind River Caolfield Assessment Report | Property Evaluation - Other | ||
| 062149 | 1982 | Summary of Environmental Programs Competed in 1981, and an Outline of Projects Planned for 1982 | Research/Summarize - Pre-existing Data, Environmental Assessment/Impact - Studies | ||
| 062143 | 1982 | Bonnet Plume 1982 Water Sampling Program | Environmental Assessment/Impact - Studies | ||
| 062142 | 1982 | Bonnet Plume 1982 Environmental Programmes | Environmental Assessment/Impact - Studies | ||
| 062150 | 1981 | An Overview of the Vegetation, Wildlife and Fish Resources of the Bonnet Plume Lease, Northeastern Yukon Territory | Research/Summarize - Pre-existing Data, Biophysical Mapping - Studies, Environmental Assessment/Impact - Studies, Pre-feasibility - Studies | ||
| 062114 | 1981 | Preliminary Feasibility Mining Study Illtyd Creek Deposit Bonnet Plume Coalfield | Pre-feasibility - Studies | ||
| 062055 | 1980 | Report on Geology an Exploration of the Bonnet Plume Basin Yukon Territory | Diamond - Drilling, Bedrock Mapping - Geology, Regional Bedrock Mapping - Geology, Environmental Assessment/Impact - Studies, Resource Estimate - Studies | 53 | 10700 |
| 061966 | 1980 | Report on Geology an Exploration of the Bonnet Plume Basin Yukon Territory | Bedrock Mapping - Geology, Regional Bedrock Mapping - Geology, Resource Estimate - Studies | ||
| 061888 | 1979 | Report Reserves and Grade of Coal in the Bonnet Plume Basin | Feasibility - Studies, Preliminary Economic Assessment - Studies | ||
| 061889 | 1979 | Economic, Environmental & Socio-Economic Considerations | Environmental Assessment/Impact - Studies, Preliminary Economic Assessment - Studies | ||
| 061805 | 1979 | Report on the Geology of the Bonnet Plume Basin Yukon Territory as Determined by the 1978 Field Season | Bedrock Mapping - Geology, Regional Bedrock Mapping - Geology | ||
| 061807 | 1978 | Bonnet Plume Coalfield Tonnages and Grade of Coal in Support of a Proposed Thermal Generating Station in the Yukon Territory | Feasibility - Studies | ||
| 061806 | 1978 | Yukon Thermal Power Generating Study for Pan Ocean Oil Limited | Feasibility - Studies |
