The Unnamed Occurrence 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
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: Cassiterite Cr.
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
Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Ordovician
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Ordovician
Analytical Data
Analytical Data: 10/15 SAMPLES CONTAINED 1600-5100 PPM SN
Materials
Ore: Cassiterite
Gangue: Garnet
Gangue: Fluorite
Gangue: Magnetite
Gangue: Quartz
Gangue: Idocrase
Comments
Comment (Deposit): SEE ALSO: LOST RIVER MINE ; INFO.SRC : 1 PUB LIT
Comment (Deposit): SURFACE EXPOSURES OF RHYTHMICALLY-BANDED SKARNS; SN OCCURS IN SN-BEARING BORATE MINERALS: LUDWIGITE-VONSENITE, HULSITE-PAIGEITE, NORDENSKIOLCLINE(?).
Comment (Commodity): LEACHABILITY TESTS SHOWED 19.3 - 67.9% OF SN EXTRACTABLE USING 20% HCL
Comment (Location): USBM OFR 32-85, FIG. 3, P. 7, LOC. 5-10. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): SAMPLED AND ANALYZED BY USBM IN 1982.
References
Reference (Deposit): USBM OFR 32-85, P. 6-10.
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