Mason-Thayer Mine

The Mason-Thayer Mine is a gold mine located in Trinity county, California at an elevation of 4,049 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: Mason-Thayer Mine

State:  California

County:  Trinity

Elevation: 4,049 Feet (1,234 Meters)

Commodity: Gold

Lat, Long: 40.8425, -123.01560

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 Mason-Thayer Mine

Mason-Thayer Mine MRDS details

Site Name

Primary: Mason-Thayer Mine
Secondary: Four Point
Secondary: Black Diamond
Secondary: Galso Group
Secondary: Craig


Commodity

Primary: Gold


Location

State: California
County: Trinity


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Not available


Comments

Not available


References

Reference (Deposit): NESS MINERAL POTENTIAL: US GEOL SURV PROF PAP 1300, P 407-

Reference (Deposit): 409.

Reference (Deposit): BLAKE, M.C., J.R. AND PETERS, T.J., 1984, MINERAL RESOURCE

Reference (Deposit): POTENTIAL MAP OF THE WEAVER BALLY ROADLESS AREA, TRINITY

Reference (Deposit): COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY MAP NF-1657-A.

Reference (Deposit): BROWN, G.C., 1916 THE COUNTIES OF SHASTA, SISKIYOU, TRINITY:

Reference (Deposit): CALIF MINING BUREAU, 14TH REPT STATE MINERAL., P. 887-891.

Reference (Deposit): DILLER, J.S., AND FERGUSON, H.G., 1913, THE WEAVERVILLE QUAD

Reference (Deposit): RANGLE, CALIFORNIA: US GEOL SURV BULL 540, P. 71-72.

Reference (Deposit): O'BRIEN, J.C., 1965, MINES AND MINERAL RESOURCES OF TRINITY

Reference (Deposit): COUNTY, CALIFORNIA: CALIF DIV OF MINES AND GEOL, COUNTY REPT

Reference (Deposit): 4, 125 P.

Reference (Deposit): PETERS, T.J., 1983, MINERAL INVESTIGATION OF THE WEAVER

Reference (Deposit): BALLY RARE II AREA (NO 5804), TRINITY COUNTY, CALIFORNIA: US

Reference (Deposit): BUREAU OF MINES OPEN FILE REPORT MLA 9383, 22P.

Reference (Deposit): BLAKE, M.C., J.R., AND PETERS, T.J., 1984, WEAVER BALLY ROAD

Reference (Deposit): LESS AREA, CALIFORNIA, IN MARSH, S.P., ET AL, EDS. WILDER-


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.