The Unnamed Occurrence is a ree 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
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.
Unnamed Occurrence MRDS details
Site Name
Primary: Unnamed Occurrence
Secondary: Salmon River Junction
Commodity
Primary: REE
Location
State: Alaska
District: Admiralty
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: 1957
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
Not available
Materials
Not available
Comments
Comment (Deposit): X-RAY SPECTROSCOPIC ANALYSIS OF HEAVY MINERALS SAMPLES FROM PEGMATITE VEINS INDICATED PRESENCE OF YTTRIUM, ZIRCONIUM, NIOBIUM, THORIUM (?), LANTHANUM, CERIUM, PRASEODYMIUM AND NEODYMIUM
Comment (Geology): PEGMATITE VEINS ARE IN 50 SQ MI METAMORPHIC TERRANE OF GRANITE, MIGMATITE AND VARIOUS CONTACT METAMORPHOSED ROCKS
Comment (Location): BEST LOCATION: USGS I-303, LOC. 26, 27 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): DISCOVERED IN THE COURSE OF USGS MAPPING OF GEOLOGY OF JUNEAU QUADRANGLE 1956-1958; 2 UNPATENTED LODE CLAIMS
Comment (Deposit): Discovery Year: LATE 1950'S
References
Reference (Other Database): BAG-OFR-85-717-084
Reference (Deposit): USGS OFR 85-717, P. 97
Reference (Deposit): USGS BULL 1246, P. 140-141
Reference (Deposit): USGS PP 400-B, P. B38
Reference (Deposit): USGS I-303, SAMPLES 26, 27
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