Thornberry Deposit

The Thornberry Deposit is a mine located in Madera 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: Thornberry Deposit

State:  California

County:  Madera

Elevation:

Commodity:

Lat, Long: 37.27167, -119.53417

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 Thornberry Deposit

Thornberry Deposit MRDS details

Site Name

Primary: Thornberry Deposit


Commodity

Tertiary: Manganese


Location

State: California
County: Madera


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
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

Analytical Data: ORE GRADE 2 TO 6 PERCENT MANGANESE


Materials

Not available


Comments

Comment (Geology): GEOL.DESC: MANGANESE OXIDE FILMS ON A BED OF QUARTZITE 20 FT. THICK, WHICH STRIKES N. 55 W., AND DIPS 70 S. W.

Comment (Deposit): MANGANESE OXIDE FILMS ON A BED OF QUARTZITE 20 FT. THICK, WHICH STRIKES N. 55 W., AND DIPS 70 S. W.


References

Reference (Deposit): D.O.M. BULL. 125 1943 P. 130

Reference (Deposit): D.O.M. BULL. 152 1950 P. 105


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.