The Bohemia Basin Prospect is a nickel and copper 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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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.
Bohemia Basin Prospect MRDS details
Site Name
Primary: Bohemia Basin Prospect
Commodity
Primary: Nickel
Primary: Copper
Secondary: Cobalt
Location
State: Alaska
District: Chichagof District
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
Owner Name: Aleco, Inc.
Owner Name: Inspiration Development, Inc.
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Discovery Year: 1920
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: OTHER TROUGHLIKE
Structure
Not available
Alterations
Not available
Rocks
Name: Norite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Norite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Pyrrhotite
Ore: Pentlandite
Comments
Comment (Development): MUCH RECENT, 1970'S (& EARLY 1980'S ?), DRILLING BY INSPIRATION. INSPIRATION REPORTED TO HAVE DROPPED PROPERTY IN 1982.
Comment (Location): SMALL PROSPECTS, SIMILAR TO BOHEMIA BASIN DEPOSITS, OCCUR CLEAR OVER TO WEST COAST OF YAKOBI ISLAND LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Deposit): TROUGHLIKE DEPOSIT NEAR BASE OF BASIN-SHAPED BODY OF NORITE. SEVERAL SEPARATE SULFIDE BODIES.
Comment (Workings): EXPLORED BY TUNNEL, TRENCHES & PITS, DRILLING, ETC., OVER 60 YEARS, BUT NO PRODUCTION. MAY BE MINED BY OPEN PIT METHODS WITH 2.5 TO 1 STRIPPING RATIO.
Comment (Geology): DEPOSIT IN NORITE UNIT OF GABBROIC TO GRANITIC INTRUSIVE COMPLEX WHICH HAS INTRUDED MESOZOIC METAVOLCANIC, METASEDIMENTARY, AND GRANITIC ROCKS.
References
Reference (Deposit): USGS OFR 78-450, P. 20-22
Reference (Deposit): USGS B 947-C, P. 41-56
Reference (Deposit): USGS B 931-F, P. 105-138
Reference (Deposit): MINING ENGINEERING, MAY 1983, P. 414
Reference (Deposit): ADGGS SPEC REPT 31, P. 15
Reference (Reserve-Resource): MINING ENGINEERING, MAY 1983 AND ADGGS SPEC REPT 31
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