The Folsom is a gold mine located in Sacramento county, California at an elevation of 226 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: 226 Feet (69 Meters)
Commodity: Gold
Lat, Long: 38.61194, -121.21972
Map: View on Google Maps
Folsom MRDS details
Site Name
Primary: Folsom
Secondary: Folsom-Natoma District
Secondary: American River District
Secondary: Capital Dredging Co.
Secondary: Natomas Co.
Commodity
Primary: Gold
Secondary: Iridium
Secondary: Osmium
Secondary: Platinum
Location
State: California
County: Sacramento
District: Folsom District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Natomas Co.
Years: 1962 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Stream Placer
Operation Type: Unknown
Year First Production: 1848
Year Last Production: 1962
Discovery Year: 1860
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Mineral Deposit Model
Model Name: Placer Au-PGE
Orebody
Form: TABULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Pleistocene
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Name: Gravel
Role: Host
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Analytical Data: AVERAGE OF 5 PGE SAMPLES YIELDED 43.40% PT, 20.81% IR, 30% OS (EST) (LOGAN)
Materials
Ore: Gold
Comments
Comment (Geology): GRAVELS ARE IN OR ALONG THE AMERICAN RIVER AND NEAR LOWER CONTACTS OF THE LAGUNA AND MEHRTEN FORMATIONS.
Comment (Deposit): RECORD W017627, W024652, W024654 AND W024643 HAVE BEEN MERGED AND DELETED.
Comment (Location): TAILINGS ALSO LOCATED IN CARMICHAEL AND CITRUS HEIGHTS QUADRANGLES. LOCATION GIVEN IS NEAR WATER TREATMENT PONDS ON BUFFALO CREEK IN QUADRANGLE BY THE SAME NAME.
Comment (Production): IN 1958 GRAVELS= 0.0017 OZ/TON AU (58 PPB); 1914-1916 PT= 0.00017 OZ/TON (6 PPB)
Comment (Workings): DREDGING
References
Reference (Deposit): CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 115-123.
Reference (Deposit): CARLSON, D.W., 1955, MINES AND MINERAL RESOURCES OF SACRAMENTO COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 51, NO. 2, P. 137, 140-142, 186, PL. 2.
Reference (Deposit): LOGAN, C.A. 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 27-29.
Reference (Deposit): CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 47-49.
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.
