The Big Horn Mine is a manganese and gold mine located in Johnson county, Wyoming.
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.
Big Horn Mine MRDS details
Site Name
Primary: Big Horn Mine
Secondary: Powder River Mine
Commodity
Primary: Manganese
Primary: Gold
Location
State: Wyoming
County: Johnson
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Gangue: Hornblende
Comments
Comment (Location): THE SITE NAME 'BIG HORN MINE' IS FROM THE QUAD.
Comment (Deposit): QUARTZ VEINS IN HORNBLENDE SCHIST CONTAIN AU AND MN. THE SCHIST C ONTAINS NUMEROUS SMALL QUARTZ STRINGERS.
References
Reference (Deposit): GSW BULL 50, P. 8
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.
