The Free Coinage is a gold and silver mine located in Boulder county, Colorado.
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.
Free Coinage MRDS details
Site Name
Primary: Free Coinage
Commodity
Primary: Gold
Primary: Silver
Location
State: Colorado
County: Boulder
District: Sunset
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1916
Time Period: 1911-1916
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Model Name: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Silver
Comments
Comment (Production): TOTAL $50,000
Comment (Geology): GEOL.DESC: LEAD-SILVER ORE IN VEIN OCCUPYING 50 FT. WIDE FAULT ZONE BETWEEN SCHIST AND TRACHYTE DIKE.
References
Reference (Deposit): LOVERING AND GODDARD, 1950, USGS PP 223, PG 212, PL 3 (N)
Reference (Deposit): WORCESTER, 1921, COLO. GEOL. SUR. BULL 21, PL. 1.
Reference (Deposit): BLM COLO. CONNECTING SHEETS
Reference (Deposit): CONSV. DIV. COMP. DATE, 1,62
Colorado Mining Photos
Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.