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Yukon Geological Survey

Occurrence Details


Occurrence Number
095D 040
Occurrence Name
Argil
Occurrence Type
Hard-rock
Status
Anomaly


General Information

Secondary Commodities: copper, nickel, molybdenum, manganese
Deposit Type(s): Unknown
Location(s): 60.966390 N, -127.546390 W
NTS Mapsheet(s): 95D13
Location Comments: .5 Kilometres
Hand Samples Available at YGS: No

Capsule

Work History

Discovered by G. Abbott of the Yukon Geological Survey in the summer of 2009 during a regional mapping program.

Capsule Geology

G. Abbott of the Yukon Geological Survey reported a small outcrop of shattered cherty olive green argillite on the banks of the Upper Coal River. The argillite is tentatively assigned to the Upper Silurian Steel Formation and contains breccia zones cemented by fine-grained pyrite and manganese strained fractures. An assay of pyrite breccia returned anomalous values for molybdenum (8.57 ppm), copper (110.6 ppm), nickel (198.4 ppm), manganese (> 10 000 ppm) and iron (24.35%).

References

PIGAGE, L., ABBOTT, J.G. AND ROOTS, C.F., 2010. Bedrock geology of Coal River map area (NTS 95D), Yukon (1:250 000 scale). Yukon Geological Survey, Open File – (in press).

Location Map

Last Updated: Aug 15, 2018

Work History

Year Work Type Comment
2009 Geochemistry: Rock Carried out by YGS.
2009 Geology: Bedrock Mapping Regional Mapping carried out by YGS.

Regional Geology - Terrane

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


Regional Geology - Bedrock

Supergroup:
Group/Suite: Road River
Formation:
Member:
Terrane: Laurentia
Period Max: Ordovician
Age Max: 488 MA
Period Min: Devonian
Age Min: 398 MA
Rock Major: shale/chert/siltstone/limestone/conglomerate
Rock Minor:
Reference: Abbott (1981) - Yukon Geology and Exploration 1979-1980
Geological Unit (1M): ODR
Geological Unit (250K): ODR

Related References

Number Title Page(s) Document Type
ARMC018987 Field map of 95D/13 with notations Geoscience Map (General)
Citations

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