Lloyd Prospect

The Lloyd Prospect is a mine located in Placer county, California at an elevation of 2,201 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: Lloyd Prospect

State:  California

County:  Placer

Elevation: 2,201 Feet (671 Meters)

Commodity:

Lat, Long: 39.04361, -120.98444

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 Lloyd Prospect

Lloyd Prospect MRDS details

Site Name

Primary: Lloyd Prospect


Commodity

Tertiary: Manganese


Location

State: California
County: Placer


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: E. H. Lloyd
Years: 1942 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Prospect
Deposit Type: Residual
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Pyrolusite
Ore: Psilomelane


Comments

Comment (Workings): PIT 4 BY 4 FT. 5 FT. DEEP.

Comment (Geology): GEOL.DESC: PIT SUNK IN A REGOLITHIC BRECCIA CONSISTING OF WHITE CHERT FRAGMENTS CEMENTED BY BLACK MANGANESE OXIDES, CHIEFLY PSILOMELANE WITH BOTRYOIDAL SURFACES BUT ALSO SOME PYROLUSITE. MN CONTENT PROBABLY NOT OVER 10%. A SAMPLE TAKEN JUST SOUTH OF THE PIT (AREA NOW COVERED BY WATER) CONSISTED OF HIGH-GRADE BLACK OXIDES, PSILOMELANE AND PYROLUSITE, RAN ABOUT 50% MANGANESE.


References

Reference (Deposit): DOM BULL. 152, P. 170; BULL. 125, P. 149

Reference (Deposit): USGS FOLIO 66

Reference (Deposit): DOM SR-67, PL. 1 (GEOLOGY)


California Gold

Where to Find Gold in California

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.