The Unnamed Manganese Occurrence is a mine located in Gunnison county, Colorado at an elevation of 8,399 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: 8,399 Feet (2,560 Meters)
Commodity:
Lat, Long: 38.44361, -106.67333
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.
Unnamed Manganese Occurrence MRDS details
Site Name
Primary: Unnamed Manganese Occurrence
Commodity
Tertiary: Manganese
Location
State: Colorado
County: Gunnison
District: Doyleville Area
Land Status
Land ownership: BLM Administrative Area
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: Occurrence
Deposit Type: Vein
Operation Type: Unknown
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; Gunnison Uplift
Type: L
Description: Razor Creek Dome; Tomichi Dome
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene
Analytical Data
Not available
Materials
Ore: Psilomelane
Comments
Comment (Location): IN TRIBUTARY DRAINAGES OF HOUSTON GULCH AND RAZOR CREEK 2.5 TO 4.5 MILES WSW OF DOYLEVILLE, LAT-LONG GIVEN IS COMMON SECTION CORNER ; INFO FROM LAND.ST :1976
Comment (Deposit): DETAILS OF THIS DEPOSIT ARE UNAVAILABLE BUT IT COULD BE SIMILAR TO THOSE DESCRIBED BY MUILENBURG AT STEUBEN VALLEY AND SAPINERO (SW GUNN. CO.) WHERE HARD, BLACK PSILOMELANE FORMS VEINS AND STRINGERS IN TERTIARY LAVA FLOWS AND IS IRREGULARLY DISTRIBUTED AS CAVITY FILLINGS AND MATRIX REPLACEMENT IN VOLCANIC BRECCIAS
References
Reference (Deposit): OLSON, J.C., 1976, GEOLOGIC MAP OF THE HOUSTON GULCH QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1287
Reference (Deposit): MUILENBURG, G.A., 1919, MANGANESE DEPOSITS OF COLORADO: CGS BULL. 15, P. 40-42.
Reference (Deposit): MINERAL DEP. BRANCH MICROFILM, DOC. 2601 (FROM FORMER CRIB RECORD)
Colorado Mining Photos
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