Doss

The Doss is a gold mine located in Mariposa 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: Doss  

State:  California

County:  Mariposa

Elevation:

Commodity: Gold

Lat, Long: 37.47583, -120.21583

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 Doss

Doss MRDS details

Site Name

Primary: Doss
Secondary: Doss and Thorne
Secondary: Ginaca
Secondary: Brooks


Commodity

Primary: Gold
Tertiary: Lead
Tertiary: Copper
Tertiary: Zinc


Location

State: California
County: Mariposa
District: Whitlock


Land Status

Not available


Holdings

Not available


Workings

Type: Unknown


Ownership

Owner Name: Frank Trabucco Jr.


Production

Year: 1938
Time Period: - 1938
Material type: AU
Description: Cp_Grade: ^ .09 Oz/Ton Ag
Year: 1929
Material type: ORE
Description: Ap_Grade: ^1 Oz/Ton Au: 2 Oz/Ton Ag
Year: 1938
Time Period: - 1938
Material type: ORE
Description: Cp_Grade: ^.2 Oz/Ton Au


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1870
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough


Mineral Deposit Model

Not available


Orebody

Form: PINCH AND SWELL


Structure

Not available


Alterations

Not available


Rocks

Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic


Analytical Data

Not available


Materials

Ore: Sphalerite
Ore: Gold
Ore: Galena


Comments

Comment (Production): DURING EARLIEST HISTORY ONE LOT OF 200 TONS OF ORE RAN $17/TON AND ANOTHER 400 TONS YIELDED BETWEEN $10 - $11/TON PLUS A SULFIDE CONCENTRATE ASSAYING $24/TON. 677.25 OZ GOLD RECOVERED FROM UNKNOWN TONNAGE IN 1897 . TOTAL RECORDED PRODUCTION IS APPROX. $94,000 .

Comment (Deposit): VEIN, ORE SHOOTS

Comment (Workings): 250-FT. (VERTICAL DEPTH) INCLINED SHAFT, 400-FT. SHAFT, 540-FT. ADIT.

Comment (Geology): GEOL.DESC: WALL ROCKS ARE SLATY AND SCHISTOSE VOLCANICS. VEIN AVE. 8 - 10 FT. THICK.

Comment (Deposit): TWO PATENTED FRACTIONAL CLAIMS.


References

Reference (Production): BOWEN AND GRAY, 1957

Reference (Deposit): BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 95 - 6 , 255


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.