The Unnamed Occurrence is a 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
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
Commodity
Primary: Copper
Secondary: Tin
Tertiary: Zinc
Tertiary: Gold
Tertiary: Silver
Location
State: Alaska
District: Koyukuk
Land Status
Land ownership: State
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
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: 500 PPM AS, 2.1 PPM AG, 0.43 PPM AU, 150 PPM CO, 1365 PPM CU, 329 PPM ZN, 50 PPM SN, COMPOSITE SAMPLE
Materials
Ore: Pyrrhotite
Ore: Cassiterite
Ore: Sphalerite
Ore: Chalcopyrite
Comments
Comment (Location): ADGGS OFR 133 B, PLATE 1, NO. 467 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Deposit): MASSIVE PYRRHOTITE ALTERING TO MARCASITE, ABUNDANT CHALCOPYRITE, SOME CASSITERITE AND RUTILE, TRACE SPHALERITE IN LAYERS AND VEINS UP TO 15 CM THICK; ANOMALOUS AS, CO, CU, SN AND ZN
Comment (Geology): ACTINOLITE-BIOTITE FELSITE WITH INTERLAYERS OF MARBLE AND GARNET-QUARTZ-ALBITE-MUSCOVITE SCHIST.
Comment (Deposit): SEE ALSO: DEPOSIT NO. 477 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
References
Reference (Deposit): ADGGS OFR 133 B, SAMPLE 467
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.
