Niblack Copper Co.

The Niblack Copper Co. 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.

Site Name

Primary: Niblack Copper Co.

Commodity

Primary: Copper
Secondary: Gold
Secondary: Silver
Tertiary: Zinc

Location

State: Alaska
District: Ketchikan District

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

Type: Underground

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1902
Year Last Production: 1909
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: 1.5% ZN
Analytical Data: CHIP SAMPLE OF POORER GRADE (LEFTOVER) BODY: 0.02 OZ/TON AU
Analytical Data: 1.97% CU
Analytical Data: 0.3 OZ/TON AG

Materials

Ore: Chalcopyrite
Ore: Sphalerite

Comments

Comment (Deposit): 3 LARGE ORE BODIES. DIMENSIONS GIVEN ARE FOR THE LARGEST.

References

Reference (Deposit): USGS OF 78-869, P. 149-150.

Reference (Production): USGS BULL 1246, P. 174

Reference (Deposit): ADGGS GEOLOGIC REPORT 5, P. 1,6-9.

Reference (Deposit): USGS BULL 1246, P. 124.

Reference (Deposit): USGS MF 433.

Reference (Deposit): USGS PROFESSIONAL PAPER 1, P. 77.

Reference (Deposit): USGS BULL 259, P. 62-63.

Reference (Deposit): USGS BULL 284, P. 50.

Reference (Deposit): USGS BULL 345, P. 95-96.

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