Unnamed Placers

The Unnamed Placers is a gold mine located in Delta county, Colorado at an elevation of 4,879 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

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.

Site Name

Primary: Unnamed Placers

Commodity

Primary: Gold

Location

State: Colorado
County: Delta
District: Delta Area

Land Status

Land ownership: Private
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: Placer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Canyon Lands

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Piceance Basin, Gunnison Uplift, Uncompahgre Uplift

Type: L
Description: Uncompahgre Uplift

Alterations

Not available

Rocks

Name: Sand and Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene

Name: Sand and Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Holocene

Analytical Data

Not available

Materials

Ore: Gold

Comments

Comment (Deposit): DEPOSIT LOCATED ON TWO QUATERNARY TERRACE GRAVELS ON INSIDE OF SHARP RIVER MEANDER. LOWER TERRACE IS CUT INTO MORRISON FM (JURASSIC) SEDIMENTARY ROCKS AT 15 FT ABOVE STREM LEVEL AND CONTAINS 35 FT OF PEBBLY AND COBBLY GRAVEL. UPPER TERRACE IS 75 FT ABOVE STREAM LEVEL AND CONTAINS 8 TO 10 FT OF GRAVEL.

Comment (Workings): 30-YD OPEN CUT ON UPPER TERRACE; 300-YD OPEN CUT AND BEDROCK DRIFT OF UNKNOWN EXTENT ON LOWER TERRACE

Comment (Location): ON INSIDE OF MEANDER ON GUNNISON RIVER ; INFO FROM LAND.ST :1980; PREVIOUS QUAD DESIGNATION = MOAB 1:250000

References

Reference (Deposit): MARSHALL, C.H., 1959, PHOTOGEOLOGIC MAP OF THE DELTA QUADRANGLE, MONTROSE AND DELTA COUNTIES, COLORADO: USGS MAP I-282

Reference (Deposit): PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART. V. 69, NO. 4, P. 205-206

Colorado Mining Photos

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