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Yukon Geological Survey

Occurrence Details


Occurrence Number
116O 014
Occurrence Name
Tack
Occurrence Type
Hard-rock
Status
Showing


General Information

Secondary Commodities: coal
Deposit Type(s): Coal
Location(s): 67.576110 N, -139.611670 W
NTS Mapsheet(s): 116O12
Location Comments: .5 Kilometres
Hand Samples Available at YGS: No

Capsule

Work History

Noted by McConnell in 1888 and apparently never explored.

Capsule Geology

A thin bed of shaly lignite is exposed on the bank of the Porcupine River 9.6 km above the Old Crow River. Outcrops in this vicinity are sandstone and concretionary shale of Upper Cretaceous age which occur at the south margin of the Kaltag fault.

Location Map

Regional Geology - Terrane

Group: Northern Alaska
Affinity: N Laurentia
Name: Arctic Alaska (North Slope)
Realm: Arctic


Regional Geology - Bedrock

Supergroup:
Group/Suite:
Formation:
Member:
Terrane:
Period Max: Cretaceous
Age Max: 106 MA
Period Min: Cretaceous
Age Min: 66 MA
Rock Major: shale/sandstone
Rock Minor:
Reference: Norris (1981) - GSC Map 1518A
Geological Unit (1M): KM
Geological Unit (250K): KM3

Related References

Number Title Page(s) Document Type
YCI1994 Yukon Coal Inventory Report
Citations
McConnell, R.G., 1891. Report on an exploration in the Yukon and Mackenzie basins, N.W.T. Geological Survey of Canada, Annual Report vol. 4, (1888-1889), part D, p. 127-128.

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