Mine detail: Folsom

Previously called 'American River DistrictCapital Dredging Co.Natomas Co.Folsom-Natoma District'

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Location

Lat / long: 38.61184, -121.22075

Resource(M)

Primary: Gold
Secondary: Platinum, Osmium, Iridium
Ore: Gold
Orebody form: TABULAR
Discovery year: 1860

Production

Operation type: Unknown
Deposit type: Stream Placer
Production size: Medium
Development status: Past Producer
First production started: 1848
Last production ended: 1962

Geology

Host rock:Laguna Formation (Silt, Sand, Gravel)
Host type:Gravel
Tectonic:Base Of Sierra Nevada Foothills

References

MRDSM045265
DEP10103627
Reference{Deposit:: LOGAN, C.A. 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 85, P. 27-29.}{Deposit:: CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 47-49.}{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.}{Deposit:: CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 115-123.}
ReporterBlair, Will N., Peterson, Jocelyn A.