The Unnamed (northeast of the head of Quartz Creek) is a gold 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 (northeast of the head of Quartz Creek) MRDS details
Site Name
Primary: Unnamed (northeast of the head of Quartz Creek)
Commodity
Primary: Gold
Secondary: Lead
Secondary: Zinc
Secondary: Silver
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Silicification; formation of silica-carbonate rock in intermediate volcanics; local sulfidation.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Pyrite
Ore: Gold
Ore: Galena
Gangue: Quartz
Comments
Comment (Commodity): Gangue = Carbonate minerals
Comment (Geology): Age = Possibly related to a nearby Jurassic diorite intrusion.
Comment (Exploration): Status = Inactive
Comment (Deposit): Other Comments = Additional information can be obtained from Ahtna Minerals in Anchorage, Alaska.
Comment (Deposit): Model Name = Gold porphyry
Comment (Reference): Primary Reference = WGM Inc., 1980, and Bull, Freeman and Schneider, 1999
Comment (Workings): Workings / Exploration = Only reconnaissance mapping and sampling of natural exposures.
Comment (Geology): Geologic Description = The country rocks are mainly Pennsylvanian to Permian volcanic rocks with lesser sedimentary rocks (Richter, 1966; Richter and Matson, 1968). They have been silicified, converted to silica-carbonate rocks, and locally sulfidized along a east-northeast to northeast trending zone more than one mile long (WGM Inc., 1980). A soil sample collected in approximately the center of the zone contained more than 500 ppb gold. Rock samples collected from the altered zone locally contained more than 2,000 ppb gold, 20 ppm silver, and 5,000 ppm lead and zinc (Bull, Freeman, and Schneider, 1999).
References
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): 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): 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): 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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