The Hammer Property is a gold mine located in Trinity county, California at an elevation of 449 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
Elevation: 449 Feet (137 Meters)
Commodity: Gold
Lat, Long: 40.89056, -123.59306
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.
Hammer Property MRDS details
Site Name
Primary: Hammer Property
Secondary: South Fork Gold and Platinum Mining Co.
Commodity
Primary: Gold
Secondary: Platinum
Tertiary: Osmium
Tertiary: Iridium
Location
State: California
County: Trinity
District: Trinity River Area
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
Type: Surface
Ownership
Owner Name: P. P. Hammer
Years: 1918 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Stream Placer
Operation Type: 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
Model Name: Placer Au-PGE
Orebody
Form: STREAM SEDIMENT DEPOSITS
Structure
Not available
Alterations
Not available
Rocks
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Analytical Data: PT:AU= 4 OZ/$1,000 (1:12.09) AT ONE PLACE (LOGAN, P. 87)
Materials
Ore: Gold
Comments
Comment (Location): IN SIX RIVERS NATIONAL FOREST. LOCATION GIVEN IS ON TRINITY RIVER BETWEEN SALYER AND CONFLUENCE WITH SOUTH FORK TRINITY RIVER. ACTUAL MINING TOOK PLACE ON BENCHES ABOVE STREAM LEVEL
Comment (Commodity): PGE COARSER THAN EXPECTED AND CONTAINS A LARGE PORPORTION OF OSMIRIDIUM
Comment (Production): OTHER GRADE RANGE OF 0.0026-0.0065 OZ/TON (90-220 PPB) AU ALSO REPORTED
Comment (Deposit): VALUES ARE IN SEVERAL OLDER BENCHES TO SEVERAL HUNDRED FEET ABOVE RIVER LEVEL
Comment (Workings): HYDRAULIC
References
Reference (Production): LOGAN
Reference (Deposit): LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 86-87.
Reference (Deposit): CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 143-144.
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.
