The Glacier Fork is a silver, gold, copper, and tungsten 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
Elevation:
Commodity: Silver, Gold, Copper, Tungsten
Lat, Long: 61.59, -148.19972
Map: View on Google Maps
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Glacier Fork MRDS details
Site Name
Primary: Glacier Fork
Secondary: Knik River - Glacier Fork
Commodity
Primary: Silver
Primary: Gold
Primary: Copper
Primary: Tungsten
Location
State: Alaska
District: Anchorage
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: N
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Metasedimentary Rocks Are Iron-Stained (Richter, 1967).
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Scheelite
Gangue: Quartz
Comments
Comment (Workings): RICHTER (1967) REPORTED ASSAYS OF VEIN AND FLOAT SAMPLES SHOW 0.02 OZ/TON AU AND 0.08 TO 0.26 OZ/TON AG. STREAM-SEDIMENT SAMPLES TAKEN DOWNSTREAM CONTAINED SCHEELITE.
Comment (Exploration): Status = Inactive
Comment (Location): NEAR THE HEADWATERS OF GLACIER FORK OF THE KNIK RIVER, NEAR WESTERN EDGE OF UNNAMED GLACIER. ACCURATE WITHIN 2,500 FT. LOCALITY M-13 OF RICHTER (1967), LOCALITY 47 OF COBB (1972), AND LOCALITY 36 OF MACKEVETT AND HOLLOWAY (1977).
Comment (Deposit): COBB (1972) ALSO NOTES FOUR LOCALITIES (110, 111, 112, AND 113) SPREAD ALONG GLACIER FORK. THESE ALL APPEAR TO BE STREAM-SEDIMENT SAMPLES THAT CONTAINED SCHEELITE. DEPOSIT DOES NOT APPEAR RICH ENOUGH OR LARGE ENOUGH TO WARRANT FURTHER PROSPECTING (RICHTER, 1967).
Comment (Deposit): ABUNDANT IRREGULAR QUARTZ VEINS FOUND IN IRON-STAINED METASEDIMENTARY ROCKS OF THE LATE CRETACEOUS VALDEZ GROUP AND IN AN ADJACENT TERTIARY QUARTZ DIORITE STOCK. THE QUARTZ VEINS CONTAIN PYRROHOTITE AND SMALL AMOUNTS OF CHALCOPYRITE. ASSAYS OF VEIN AND FLOAT SAMPLES SHOW 0.02 OZ/TON AU AND 0.08 TO 0.26 OZ/TON AG (RICHTER, 1967).
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.
Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.
Reference (Deposit): Cobb, E.H., 1975, Tungsten occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resource Map MR-66, 1 sheet, scale 1:250,000.
Reference (Deposit): COBB, E.H., 1979, SUMMARY OF REFERENCES TO MINERAL OCCURRENCES (OTHER THAN MINERAL FUELS AND CONSTRUCTION MATERIALS IN ANCHORAGE QUADRANGLE, ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 79-1095, 184 P.
Reference (Deposit): RICHTER, D.H., 1967, GEOLOGICAL AND GEOCHEMICAL INVESTIGATIONS IN THE METAL CREEK AREA, CHUGACH MOUNTAINS: ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS GEOLOGIC REPORT 25, 17 P., 1 SHEET, SCALE 1:63,360.
Reference (Deposit): COBB, E.H., 1973, PLACER DEPOSITS OF ALASKA: U.S. GEOLOGICAL SURVEY BULLETIN 1374, 213 P., 1 PLATE.
Reference (Deposit): MACKEVETT, E.M., AND HOLLOWAY, C.D., 1977, MAP SHOWING METALLIFEROUS AND SELECTED NON-METALLIFEROUS MINERAL DEPOSITS IN THE EASTERN PART OF SOUTHERN ALASKA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 77-169-A, 99 P., 1 SHEET, SCALE 1:1,000,000.
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