The Cross Mine is a lead, zinc, silver, and gold 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
Elevation:
Commodity: Lead, Zinc, Silver, Gold
Lat, Long: 39.97944, -105.57556
Map: View on Google Maps
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Cross Mine MRDS details
Site Name
Primary: Cross Mine
Secondary: Potosi & Cross Mines
Commodity
Primary: Lead
Primary: Zinc
Primary: Silver
Primary: Gold
Secondary: Copper
Location
State: Colorado
County: Boulder
District: Grand Island-Caribou District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
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: Silver
Comments
Comment (Location): Location of Cross adit, about 2000 feet SE of Caribou, NW/4 sec. 9, T1S, R73 W.
Comment (Production): POTOSI-1877-$18,000
Comment (Reserve-Resource): Calais Resources has continued exploration in the Caribou and Cross mines area and reports (2005) a total resource (measured, indicated, and inferred) of: 437,240 oz Au and 12,575,240 oz Ag, contained in 1,058,000 tons of mineralized material for the Caribou/Cross project. The company continued exploration in the district in 2004 and 2005.
Comment (Production): Exploration and development work at the Cross Mine, from 1977 to 1982, resulted in production valued at $2.1 million, including about 3440 oz Au, 83,000 oz Ag, 200,000 lb Zn, 166,000 lb Pb, and 20,000 lb Cu, from 22,500 tons of crude ore.
References
Reference (Deposit): Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.
Reference (Reserve-Resource): Calais Resources corporate info., accessed from internet on 12/20/2005.
Reference (Deposit): MOORE AND OTHERS, 1957, USGS BULL. 1030-N, P. 547 AND PL. 35.
Reference (Deposit): CONSV. DIV. COMP. DATE, 10,62
Colorado Mining Photos
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