Unnamed Manganese Occurrence

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

Name: Unnamed Manganese Occurrence  

State:  Colorado

County:  Gunnison

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.


Satelite image of the Unnamed Manganese Occurrence

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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