Black Sand Placer

The Black Sand Placer is a gold mine located in Lewis and Clark county, Montana at an elevation of 5,315 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: Black Sand Placer  

State:  Montana

County:  Lewis and Clark

Elevation: 5,315 Feet (1,620 Meters)

Primary Mineral: Gold

Lat, Long: 46.89667, -112.42694

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 Black Sand Placer

Black Sand Placer MRDS details

Site Name

Primary: Black Sand Placer


Commodity

Primary: Gold


Location

State: Montana
County: Lewis and Clark
District: Gould-Stemple District


Land Status

Not available


Holdings

Not available


Workings

Type: Surface


Ownership

Owner Name: H. T. Cleary


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Placer
Operation Type: Unknown
Discovery Year: 1934
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Gold


Comments

Comment (Deposit): Discovery Year: 1934 (AMENDED)

Comment (Commodity): ASSAY REPORT: DISCOVERY CUT, AU - .03 MG/CUBIC YARD

Comment (Workings): CLAIMANT ALSO HAS A CABIN ON CLAIM, IT IS SUSPECTED THAT USE OTHER THAN MINING WOULD HAVE BEEN MADE ON THE CLAIM

Comment (Deposit): BLACK SANDS IN THE GULCH IS EVIDENCE OF DIORITE AND IRON OXIDE IN THE REGION OF THE STREAM'S WATERSHED


References

Reference (Deposit): 1935 DIREXPL USF

Reference (Deposit): FS FILES