Cochrane Mine

The Cochrane Mine is a gold mine located in Pennington county, South Dakota at an elevation of 6,001 feet.

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

Name: Cochrane Mine  

State:  South Dakota

County:  Pennington

Elevation: 6,001 Feet (1,829 Meters)

Commodity: Gold

Lat, Long: 44.1, -103.73190

Map: View on Google Maps

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.


Satelite image of the Cochrane Mine

Cochrane Mine MRDS details

Site Name

Primary: Cochrane Mine


Commodity

Primary: Gold
Tertiary: Silver


Location

State: South Dakota
County: Pennington


Land Status

Land ownership: Private
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: Unknown


Workings

Not available


Ownership

Owner Name: Naneco Minerals
Percent: 100.0
Home Office: Canada
Info Year: 1997


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Surface-Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Not available


Comments

Comment (Deposit): COULD BE THE COCHRANE EXPLORATION PROPERTY AS DESCRIDED IN THE NOV., 20, 1996 THE MINING RECORD ARTICAL, P6. 11-96: PHASE-ONE DRILLING ENCOUNTERED SIGNIFICANT AU MINERAL- IZATION. IN ALL OF THE MINERALIZED ZONES FREE GOLD IS PRESENT. 9-97: NANECO COMPLETED 12 CORE HOLES WHICH HAVE RESULTED IN AN INCREASE IN THE GEOLOGIC RESOURCE: THE CURRENT 270,000 OZ AU RESOURCE ESTIMATE CONSISTS OF 68,000 OZ OF DRILL INDICATED AND 200,000 OZ OF INFERRED RESOURCES GRADING 6.3 G/MT. THE DEPOSIT IS OPEN IN ALL DIRECTIONS.


References

Reference (Deposit): USBM, STAFF, REG V., IC7688, 1954, P108.

Reference (Deposit): THE MINING RECORD, VOL 107, N 47, NOV., 20, 1996, P6.

Reference (Deposit): THE MINING RECORD, VOL 108, #4, JAN., 22, 1997, P3.

Reference (Deposit): NANECO MINERALS LTD. NEWS RELEASE, 9-22-97.


The Top Ten Gold Producing States

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.