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
Elevation: 5,315 Feet (1,620 Meters)
Commodity: 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.
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
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
