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Yukon Geological Survey

Occurrence Details


Occurrence Number
106E 033
Occurrence Name
Mountjoy
Occurrence Type
Hard-rock
Status
Prospect


General Information

Secondary Commodities: coal
Deposit Type(s): Coal
Location(s): 65.849440 N, -135.174440 W
NTS Mapsheet(s): 106E14
Location Comments: .5 Kilometres
Hand Samples Available at YGS: No

Capsule

Work History

Noted by the GSC in 1962 but apparently not investigated until it was acquired by Cyprus Anvil Mg Corp in Jul/76 as Coal Exploration Licence #46 and mapped and sampled by Cyprus Anvil and the GSC in 1977.

Capsule Geology

Two coal seams are present in sandstone within the Upper Paleocene section of the Bonnet Plume Formation. The lower seam is 3.7 m thick and consists of thin bedded lignite with abundant wood and other plant fragments and a few thin light grey to white clay partings up to 1.3 cm. The upper seam is only 30 cm thick. The measured section includes many covered intervals.
Norris et al. (1993) estimated that more than one billion tonnes of lignite may underlie the northern half of the Bonnet Plume Basin.

References

AURUM GEOLOGICAL CONSULTANTS INC., 1994. Yukon Coal Inventory 1994. Energy and Mines Branch, Economic Development, Yukon Territorial Government, 169 p.

CYPRUS ANVIL MINING CORPORATION, 1977. Assessment Report *#061723 by R.P. Hill and N.J. Russell.

GEOLOGICAL SURVEY OF CANADA Paper 66-16, p. 51-58; Paper 76-8; Paper 78-1A, p. 399-401.

GEOLOGICAL SURVEY OF CANADA, 1980. Open File 715.

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.

Location Map

Last Updated: Sep 15, 2011

Work History

Year Work Type Comment
1977 Geology: Bedrock Mapping
1977 Other

Regional Geology - Terrane

Group: Ancestral North America
Affinity: W Laurentia
Name: North America - basinal strata
Realm: Laurentia


Regional Geology - Bedrock

Supergroup:
Group/Suite:
Formation: Bonnet Plume
Member:
Terrane:
Period Max: Cretaceous
Age Max: 70 MA
Period Min: Paleogene
Age Min: 56 MA
Rock Major: shale/sandstone/coal
Rock Minor: conglo
Reference: Norris (1982) - GSC Map 1528A
Geological Unit (1M): KTB
Geological Unit (250K): KTB1

Assessment Reports that overlap occurrence

Report Number Year Title Worktypes Holes Drilled Meters Drilled
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
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
061723 1977 Reconnaissance of Peel River Coal Exploration Licences Bedrock Mapping - Geology

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