Lake Fork Gulch Foster Ranch

The Lake Fork Gulch Foster Ranch is a tungsten mine located in Gilpin county, Colorado.

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: Lake Fork Gulch Foster Ranch

Commodity

Primary: Tungsten

Location

State: Colorado
County: Gilpin

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Analytical Data

Not available

Materials

Ore: Scheelite

Comments

Comment (Deposit): THE FOSTER RANCH IS 4 MILES SE OF BLACKHAWK. THE LIME-SILICATE ROCK IS INTERBANDED WITH FOLDED HORNBLENDE GNEISS AND QUARTZ MONZONITE GNEISS, AND CUT BY NUMEROUS DIKES OF PEGMATITE AND GNEISSIC APLITE. BANDS ARE A FEW INCHES TO A FEW FEET THICK AND A FEW EXPOSURES CONTAIN SEVERAL PERCENT OF WO3 (REF. NO. 1)

References

Reference (Deposit): LEMMON, D.M., UNPUBLISHED DATA.

Reference (Deposit): LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.

Colorado Mining Photos

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