The Unnamed (near the West Fork of Ahtell Creek) is a gold and copper mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Unnamed (near the West Fork of Ahtell Creek) MRDS details
Site Name
Primary: Unnamed (near the West Fork of Ahtell Creek)
Commodity
Primary: Gold
Primary: Copper
Location
State: Alaska
District: Chistochina
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Porphyry Cu-Au
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Chalcopyrite
Comments
Comment (Deposit): Model Name = Porphyry Cu-Au(?) (Cox and Singer, 1986; model 20c)
Comment (Deposit): Other Comments = Additional information can be obtained from Ahtna Minerals in Anchorage, Alaska.
Comment (Geology): Geologic Description = The occurrence is in the contact of the Pennsylvanian to Permian, Ahtell intrusion (Richter, 1966). Stream sediments draining the contact contain 2,000 ppb gold and 450 ppm copper (Richter and Matson, 1968; WGM, 1980). Rock chip samples found in a later follow-up by Homestake Mining Company (Bull, Freeman, and Schneider, 1999) contain more than 1,000 ppm copper and 100 ppb gold. Soils collected in the drainage at about 4,400 foot elevation contain more 500 ppm copper and 100 ppb gold.
Comment (Reference): Primary Reference = Richter and Matson, 1968
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Uncertain; probably related to the Pennsylvanian to Permian, Ahtell pluton although there is a Jurassic diorite at the head of the drainage that may be related to this occurrence.
References
Reference (Deposit): Bull, Katharine, Freeman, Larry, and Schneider, Craig, 1999, Slana property summary report for Homestake Mining Company: 11 p. and analytical appendices. (Report available, Ahtna Minerals Co., Anchorage, Alaska).
Reference (Deposit): WGM Inc., 1980, 1979 Summary report of gold potential, Slana District, Ahtna project: WGM Inc., 10 p., 1:63,360-scale map. (Report held by Ahtna Mineral Co., Anchorage, Alaska).
Reference (Deposit): Richter, D.H., and Matson, N.A., 1968, Distribution of gold and some base metals in the Slana area, eastern Alaska Range, Alaska: U.S. Geological Survey Circular 593, 20 p.
Reference (Deposit): Richter, D.H., 1966, Geology of the Slana district on south-central Alaska: Alaska Division of Geological and Geophysical Surveys Geological Report 2l, 36b p., 3 sheets, scale 1:63,360.
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