The Unnamed Mine is a gold mine located in Hinsdale county, Colorado at an elevation of 11,401 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: 11,401 Feet (3,475 Meters)
Commodity: Gold
Lat, Long: 38.11306, -107.50750
Map: View on Google Maps
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Unnamed Mine MRDS details
Site Name
Primary: Unnamed Mine
Commodity
Primary: Gold
Tertiary: Silver
Location
State: Colorado
County: Hinsdale
District: Cimarron District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: San Juan Volcanic Field, San Juan Depression
Type: L
Description: San Juan-Uncompahgre Calderas, Lake City Caldera, Cimarron Volcano
Alterations
Not available
Rocks
Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Analytical Data: SAMPLES FROM GOUGE ZONE, VEIN, AND DUMP CONTAINED TRACE GOLD AND 0.1 OZ/TON AG
Materials
Gangue: Limonite
Comments
Comment (Deposit): DEPOSIT IS ASSOCIATED WITH CIMARRON VOLCANO, LYING NORTH OF AND PREDATING FORMATION OF SAN JUAN-UNCOMPAHGRE AND LAKE CITY CALDERAS. WIDESPREAD SEQUENCE OF INTERMEDIATE-COMPOSITION (ANDESITE, RHYODACITE) CONE BRECCIAS INTERBEDDED WITH PORPHYRITIC ANDESITE, RHYODACITE, AND QUARTZ LATITE FLOWS AND FLOW BRECCIAS IS CUT BY INTRUSIVE ROCKS OF CORE OF CIMARRON VOLCANO. MINE LIES NEAR PROMINENT EAST-WEST-TRENDING DIKE RADIATING FROM INTRUSIVE CENTER.
Comment (Workings): SHAFT OF UNKNOWN DEPTH; ADIT OF UNKNOWN EXTENT; NEWER ADIT IN 35 FT.
Comment (Location): ON NORTH SIDE OF CREEK DRAINING PORPHYRY BASIN ABOUT 0.8 MILE ABOVE CONFLUENCE WITH MIDDLE FORK CIMARRON RIVER. ; INFO FROM LAND.ST :1975
References
Reference (Deposit): LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.
Reference (Deposit): STEVEN, T.A., AND OTHERS, 1977, MINERAL RESOURCES OF STUDY AREAS CONTIGUOUS TO THE UNCOMPAHGRE PRIMITIVE AREA, SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS BULL. 1391-E, P. 86, PLS. 1, 3.
Reference (Deposit): LIPMAN, P.W., AND OTHERS, 1976, MULTIPLE AGES OF MID-TERTIARY MINERALIZATION AND ALTERATION IN THE WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 71, NO. 3, P. 571-588.
Colorado Mining Photos
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