Question Mark Prospect

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID	10000632
MRDS ID	A011247
Record type	Site
Current site name	Question Mark Prospect

Geographic coordinates

Geographic coordinates:	-151.16119, 63.20094 (WGS84)
Location accuracy	2000(meters)
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Geographic areas

Country	State
United States	Alaska

Commodities

Commodity	Importance
Copper	Primary

Materials information

Materials	Type of material
Copper	Ore
Cuprite	Ore

Host and associated rocks

Host or associated Associated

Rock type Plutonic Rock > Mafic Intrusive Rock

Stratigraphic age (youngest) Late Permian
Host or associated Host

Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1)	-151.16119, 63.20094	ListMap

Comments on the geologic information

SMALL MAFIC DIKE CUTS PALEOZOIC SHALE; CARRIES DISSEMINATED ORE; FELDSPAR PHENOCRYSTS IN DIKE; MUCH DECOMPOSED

Economic information

Economic information about the deposit and operations

Development status	Occurrence
Commodity type	Metallic
Deposit size	Small
Significant	No

Mining district

District name	Kantishna

Land status

Ownership category	National Park

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	A011247

Bibliographic references

Deposit

USGS BULL 836, P. 321
Deposit

USGS OFR 77-169 A, P. 46 LOC. 39
Other Database

BAG-MF-366-29

General comments

Subject category	Comment text
Deposit	TISSUE LIKE SEAMS AND DISSEMINATED GRAINS OF COPPER IN MAFIC DIKE

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-NOV-84	Leonard, Kenneth R. (Elliott, R. L.)	U.S. Geological Survey