The East of Davison Bay Nickel-Copper Prospect is a nickel and copper mine located in Alaska at an elevation of 59 feet.
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: 59 Feet (18 Meters)
Commodity: Nickel, Copper
Lat, Long: 57.78583, -136.30750
Map: View on Google Maps
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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
East of Davison Bay Nickel-Copper Prospect MRDS details
Site Name
Primary: East of Davison Bay Nickel-Copper Prospect
Commodity
Primary: Nickel
Primary: Copper
Location
State: Alaska
District: Chichagof
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1911
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: 0.2% NI, 0.1% CU FROM 34 SURFACE SAMPLES.
Analytical Data: AVERAGE GRADE OF 0.16% NI, 0.03% CU FROM DRILL HOLE
Materials
Ore: Pyrrhotite
Ore: Pentlandite
Ore: Chalcopyrite
Gangue: Pyroxene
Gangue: Plagioclase
Comments
Comment (Development): DIAMOND DRILLING BY USBM IN 1942. NUMEROUS ACTIVE CLAIMS IN AREA AS OF 1977. 45 PROSPECT PITS DUG BY CLAIM OWNERS IN 1941
Comment (Workings): 45 PROSPECT PITS OF VARYING SIZES DUG IN 1941. ONE 260 FT. DIAMOND DRILL HOLE DRILLED IN 1942 BY USBM.
Comment (Geology): NORITE BODY PART OF COMPOSITE STOCK INTRUDED INTO METAMORPHOSED GRAYWACKE AND GREENSTONE. GRANITIC PEGMATITE DIKES INTRUDE NORITE BODY.
Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Comment (Deposit): DISSEMINATED PYRRHOTITE, PENTLANDITE, CHALCOPYRITE IN NORITE BODY SURROUNDED BY BARREN NORITE, AMPHIBOLITE, AND GABBRO. NO PRODUCTION.
Comment (Commodity): ANALYTICAL DATA FROM USGS B 947-C, P. 63.
Comment (Reserve-Resource): ESTIMATED RESERVES ARE AT LEAST SEVERAL MILLION TONS OF MATERIAL AT AVERAGE GRADE OF 0.2% NI AND 0.1% CU, ACCORDING TO USGS B 947-C, P. 63.
Comment (Deposit): LUMPED INTO SAME DEPOSIT AS SI-16 (MIRROR HARBOR) AND SI-17 (DAVISON BAY) BY COBB IN MF-467, LOC. 16 AND OF 78-450, P. 82-84. ; INFO.SRC : 1 PUB LIT
Comment (Location): USGS B 947-C, PLATES 15, 18 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
References
Reference (Deposit): USGS 947-C, P. 56-63, PL. 15, 18 (1946)
Reference (Deposit): USGS 936-I, P. 221-243 (1942)
Reference (Deposit): USGS MF-467, LOC. 16 (1972)
Reference (Deposit): USGS OF 78-450, P. 82-84 (1978)
Reference (Deposit): USBM OFR 20-73, LOC. 153B (1978)
Reference (Other Database): BAG-B-947-C-PL-15,18
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