Arnold

The Arnold is a mine located in Nevada county, California.

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: Arnold  

State:  California

County:  Nevada

Elevation:

Primary Mineral:

Lat, Long: 39.08917, -121.11306

Map: View on Google Maps

Satelite View


Satelite image of the Arnold

Arnold MRDS details

Site Name

Primary: Arnold


Commodity

Tertiary: Manganese


Location

State: California
County: Nevada


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Max P Arnold


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: 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

Analytical Data: GRADE ESTIMATED 45 PERCENT MANGANESE


Materials

Ore: Psilomelane


Comments

Comment (Production): ACTIVE 1940-42. NO PRODUCTION RECORDED. ABOUT 2 OR 3 TONS MINED AND PLACED IN A STOCK PILE. APPARENTLY THIS WAS THE ENTIRE QUANTITY OF ORE PRESENT.

Comment (Workings): BULLDOZED CUT 50 X30 FT. AND 10 FT. DEEP AND ONE SHAFT 20 FT. DEEP. SHAFT FULL OF WATER & CUT CAVED IN 1943.

Comment (Geology): GEOL.DESC: TWO ORE POCKETS OF HIGH GRADE PSILOMELANE AND SOOTY BLACK OXIDE, ENCLOSED IN CHERT, WHICH IS ENCLOSED IN GREENSTONE AND A HIGHLY ALTERED IGNEOUS ROCK WEATHERED LARGELY TO CLAY.


References

Reference (Deposit): D.O.M. BULL. 125, P. 147

Reference (Deposit): BULL. 152, 1950, PP. 161-2