The Unnamed Occurrences is a tin 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
Unnamed Occurrences MRDS details
Site Name
Primary: Unnamed Occurrences
Commodity
Primary: Tin
Location
State: Alaska
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: SN CONTENT OF BULK ROCK SAMPLES: 3.0-8.9%, USBM OFR 32-85, P. 9.
Materials
Ore: Cassiterite
Gangue: Garnet
Gangue: Tourmaline
Gangue: Magnetite
Gangue: Dolomite
Gangue: Idocrase
Comments
Comment (Commodity): LEACHABILITY TESTS SHOWED 27.2-61.3% OF SN EXTRACTABLE USING 20% HCL
Comment (Geology): TACTITE ZONE ALONG SW FLANK OF BROOKS MT. CONTAINS: IDOCRASE, DIOPSIDE, GRASSULARITE, AUGITE, HEDENBERGITE, SCAPOLITE, CHONDRODITE, PHLOGOPITE, SIDEROPHYLLITE, TOURMALINE, FLUORITE, SCHEELITE, ARSENOPYRITE, LUDWIGITE, GALENA, CERUSSITE, SPHALERITE, CHACLOPYRITE, CHALCOCITE, BORNITE, AZURITE, MALACHITE, HULSITE, AND PAIGEITE.
Comment (Deposit): SEE ALSO: READ PROSPECT ; INFO.SRC : 1 PUB LIT
Comment (Development): SAMPLED AND ANALYZED BY USMB IN 1982.
Comment (Deposit): SN-BEARING SKARN-GREISEN ASSEMBLAGE; SN OCCURS IN BORATE MINERALS, TENTATIVELY IDENTIFIED AS HORDENSKIOLDINE, LUDWIGITE-VONSENITE, HULSITE-PAIGEITE; TRACE CASSITERITE PRESENT.
Comment (Location): USBM OFR 32-85, FIG. 3, LOC. 1-4, P. 7. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
References
Reference (Deposit): USBM OFR 32-85, P. 6-9, 11-12
Reference (Other Database): BAG-MF-426-11
The Top Ten Gold Producing States
These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
