Kelly

The Kelly is a mine located in Alameda county, California at an elevation of 1,450 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: Kelly

Commodity

Tertiary: Manganese

Location

State: California
County: Alameda

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: John M. Kelly And May K. Devany
Years: 1950 -

Production

Not available

Deposit

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

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Psilomelane

Comments

Comment (Location): LOCATED IN SE 1/4 NW 1/4 SECTION 5

Comment (Workings): A 25FT.SHAFT;SURFACE TRENCHING

Comment (Geology): GEOL.DESC: TWO ORE BODIES OF MASSIVE SILICEOUS ORE LIE PARALLEL TO THE BEDDING OF THE ENCLOSING GREEN CHERT AND SHALE. THE STRIKE IS N 65 W AND ARE NEAR VERTICAL ON A HIGH ANGLE TO THE NORTH. PSILOMELANE IS THE PRINCIPLE METALLIFEROUS CONSTITUENT OF THE ORE BUT NEAR THE SURFACE A SMALL QUANTITY OF MANGANESE DIOXIDE IS PRESENT.

Comment (Production): NO PRODUCTION. THE NORTHERN ORE BODY IS 5-7 FT. THICK AND THE SOUTHERN ORE BODY , SEPARATED FROM THE FIRST BY 6 FT. OF BARREN CHERT, IS AT LEAST 3 FT. THICK. ORE MINERALS ARE OXIDES OF MANGANESE, CARRYING A VARIABLE QUANTITY OF WHITE GRANULAR SILICA IN IRREGULAR PATCHES. PSILOMELANE IS PRINCIPAL METALLIFEROUS CONSTITUENT OF THE ORE BUT NEAR THE SURFACE A SMALL QUANTITY OF MANGANESE DIOXIDE IS PRESENT. MOST OF THE ORE IS TOO HIGH IN SILICA TO BE MARKETED WITHOUT RESORT TO SOME PROCESS OF CONCENTRATION

References

Reference (Deposit): CALIF. JOUR. MINES & GEOL. V. 46, NO.2, APRIL 1950, P.344, PL. 58

Reference (Deposit): DOM BULL. 125, P.100

Reference (Deposit): BULL. 152, P.22

Reference (Deposit): BULL. 140 P. 68 , PL. 1

California Gold

"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.