Unnamed Placer Mine

The Unnamed Placer Mine is a gold mine located in Moffat county, Colorado at an elevation of 6,096 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

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Site Name

Primary: Unnamed Placer Mine

Commodity

Primary: Gold

Location

State: Colorado
County: Moffat
District: Yampa River 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
Year Last Production: 1934
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Wyoming Basin

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: Axial Basin Arch, Washakie Basin

Type: L
Description: Round Bottom Syncline, Williams Fork Anticline

Alterations

Not available

Rocks

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

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

Analytical Data

Not available

Materials

Ore: Gold

Comments

Comment (Deposit): PLACER LIES IN EITHER LOW TERRACE GRAVELS OR FLOOD-PLAIN DEPOSITS ON OUTSIDE OF YAMPA RIVER MEANDER AT ROUND BOTTOM. AS THIS LIES DOWNSTREAM OF POSTULATED WILLIAMS FORK PLACERS, ORIGINAL SOURCE OF AU COULD BE MINERALIZED CRYSTALLINE ROCKS EITHER IN YAMPA RIVER HEADWATERS (PARK RANGE AND ELKHEAD MTNS) OR IN WILLIAMS FORK HEADWATERS (WHITE RIVER PLATEAU).

Comment (Location): ON NORTH SIDE OF YAMPA RIVER AT ROUND BOTTOM 6 MILES NW OF HAMILTON. LAT-LONG GIVEN IS C S2 ; INFO FROM LAND.ST :(1974)

Comment (Development): MINOR PLACERING PONE IN 1932-34, YIELDING 14 OZ AU

References

Reference (Deposit): PARKER, B.H., JR., 1974, THE PLACERS OF MOFFAT COUNTY, IN GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 4, P. 150-168.

Reference (Deposit): TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1X2 QUADRANGLE, NORTHWESTERN COLORADO: USGS MAP I-972

Colorado Mining Photos

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.