The Tarr Inlet Knob is a molybdenum 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.
Tarr Inlet Knob MRDS details
Site Name
Primary: Tarr Inlet Knob
Secondary: West Shore Tarr Inlet
Secondary: Tarr Inlet
Secondary: West Side Tarr Inlet
Secondary: Locality No. 17
Commodity
Primary: Molybdenum
Tertiary: Barium-Barite
Tertiary: Arsenic
Location
State: Alaska
District: Juneau District
Land Status
Land ownership: National Wilderness
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
Type: Minerals Only
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Mining Method: Unknown
Discovery Year: 1937
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
Unknown: Muscovite
Unknown: Chlorite
Unknown: Epidote
Unknown: Garnet
Unknown: Goethite
Unknown: Hornblende
Unknown: Pyrrhotite
Unknown: Quartz
Unknown: Sphalerite
Unknown: Chalcopyrite
Unknown: Calcite
Unknown: Biotite
Unknown: Oligoclase
Unknown: Orthoclase
Unknown: Pyrite
Unknown: Albite
Unknown: Andesine
Unknown: Apatite
Unknown: Arsenopyrite
Unknown: Augite
Unknown: Sericite
Comments
Comment (Deposit): DISC. 1966. NO CLAIMS. DEPOSIT IS IRON-STAINED ALTERED & BRECCIATED ZONES CUTTING GRANODIORITE & LESS COMMONLY HORNFELS. FEW ZONES NEAR PELSIC DIKES. 100 PPM MO, 5000 PPM AS, 1000 PPM BA. JAN C. STILL WAS AT THIS LOCALITY & DID NOT DETECT ANY MO.
Comment (Geology): OTHER EQUALS HYDROXIDE.
References
Reference (Deposit): P632 pp. 35 & 74
Reference (Deposit): C772B pp. 90-92
Reference (Deposit): OF78-316 p. 63
Reference (Deposit): OF78-494 plates 1A, 1B, 2
Reference (Deposit): OF280
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