Snipe Bay Nickel-Copper Prospect

The Snipe Bay Nickel-Copper Prospect is a copper and nickel mine located in Alaska at an elevation of 561 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

Satelite View

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.

Site Name

Primary: Snipe Bay Nickel-Copper Prospect

Commodity

Primary: Copper
Primary: Nickel
Tertiary: Silver

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

Type: Surface

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1922
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

Not available

Analytical Data

Analytical Data: HIGH GRADE SAMPLES CONTAIN UP TO 4.08% NI, 3.44% CU
Analytical Data: AVERAGE GRADE 0.3% NI, CU-USGS B 936-M, P.329

Materials

Ore: Pentlandite
Ore: Chalcopyrite
Gangue: Pyrite
Gangue: Apatite
Gangue: Pyrrhotite
Gangue: Magnetite
Gangue: Plagioclase
Gangue: Hornblende

Comments

Comment (Deposit): MAGNETITE, PENTLANDITE, CHALCOPYRITE, PYRITE, AND PYRRHOTITE IRREGULARLY DISTRIBUTED IN HORNBLENDITE BODY (PROBABLY ALTERED GABBRO OR NORITE) THAT INTRUDED QUARTZITE AND SCHIST. ORE BODY IS POORLY EXPOSED, AND IS AT LEAST 265 FT. LONG BEFORE DISAPPEARING UNDER ROCK AND SOIL. WIDTH IS AT LEAST 125 FT. DEPOSIT CONTAINS DISSEMINATED BLEBS AND VEINLETS OF SULFIDES, AND A MASSIVE SULFIDE BODY 12 FT. LONG BY 4 FT. WIDE, ELLIPTICAL IN SHAPE.

Comment (Workings): SEVERAL PROSPECT PITS WERE DUG.

Comment (Geology): TERTIARY IGNEOUS INTRUSIVE (ALTERED GABBRO OR NORITE) IN CRETACEOUS BIOTITIC QUARTITE AND BIOTITE-QUARTZ SCHIST.

Comment (Deposit): DEPOSIT POORLY EXPLORED. ; 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): 4 CLAIMS LOCATED IN 1922 BY I. MYRE HOFSTAD, 6 MORE CLAIMS STAKED IN 1939 BY S. H. P. VEVELSTAD, WHO OWNED ALL CLAIMS AS OF 1942. PROSPECT PITS DUG, BUT NO PRODUCTION OR OTHER DEVELOPMENT.

Comment (Reserve-Resource): ESTIMATED RESERVES OF 430,000 TONS OF ORE AT AVERAGE GRADE OF 0.3% NI AND 0.3% CU, ACCORDING TO USGS B 936-M, P. 328, 329 (ESTIMATE IS VERY CONSERVATIVE).

Comment (Commodity): USGS B 773, P. 107 REPORTS UP TO 0.13 OZ/TON AG, BUT NOT MENTIONED IN LATER REPORTS.

Comment (Location): USGS MF-464, LOC. 15 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

References

Reference (Other Database): BAG-MF-464-15

Reference (Deposit): USGS OF 78-787, P. 26, 27 (1978)

Reference (Deposit): USGS B 936-M (1942)

Reference (Deposit): USGS MF-446, LOC. 15 (1972)

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