Unnamed Mine

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

Name: Unnamed Mine  

State:  Colorado

County:  Hinsdale

Elevation: 11,401 Feet (3,475 Meters)

Primary Mineral: Gold

Lat, Long: 38.11306, -107.50750

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.


Satelite image of the Unnamed Mine

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.