The Keku Islets Zinc-Silver Prospect is a silver and zinc 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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Keku Islets Zinc-Silver Prospect MRDS details
Site Name
Primary: Keku Islets Zinc-Silver Prospect
Commodity
Primary: Silver
Primary: Zinc
Location
State: Alaska
District: Kupreanof
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1923
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Conglomerate Strikes N 15 Degrees W
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: VEIN ASSAYED 37.4% ZN, 0.24 OZ/TON AG-USGS B 773, P. 139
Materials
Ore: Sphalerite
Gangue: Marcasite
Gangue: Pyrite
Comments
Comment (Location): USGS OF 84-837, LOC. 5; USGS MF-464, LOC. 16; USGS B 773, P. 137, FIG. 7 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Deposit): SPHALERITE IN TRANSVERSE FRACTURES IN BASALT DIKE IN GENTLY WARPED SANDSTONE AND CONGLOMERATE. VEINLETS ALSO ALONG CONTACT BETWEEN DIKE AND COUNTRY ROCK WHERE SPHALERITE FILLS MINUTE CRACKS IN PYRITE AND MARCASITE.
Comment (Workings): POSSIBLY DIAMOND DRILL HOLES IN AREA.
Comment (Deposit): MUCH CURRENT INTEREST IN AREA, MAY CONTAIN EITHER VOLCANOGENIC MASSIVE SULFIDE OR MISSISSIPPI VALLEY-TYPE PB-ZN-BARITE DEPOSITS. ; INFO.SRC : 1 PUB LIT
Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Comment (Development): NUMEROUS CLAIMS STAKED IN AREA AS EARLY AS 1923, LARGE CLAIM BLOCKS STAKED IN 1970'S, MANY STILL ACTIVE AS OF 1982. SEVERAL DIAMOND DRILL HOLES DRILLED IN GENERAL AREA IN LATE 1970'S.
References
Reference (Other Database): BAG-B-773-FIG-7
Reference (Deposit): USGS MF-446, LOC. 16 (1972)
Reference (Deposit): USGS OF 78-787, P. 13 (1978)
Reference (Deposit): USGS B 773, P. 137-139 (1925)
Reference (Deposit): USGS OF 84-837, P. 8, 9, LOC. 5 (1984)
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