Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by
mindat.org
There are no ages for
Gold
at
Keystone Mine (Keystone Group; Keystone Claim; Spring Hill Claim; Geneva Claim; Granite State Claim; Niagara Claim; East Keystone Claim), Amador City, Jackson-Plymouth District, Mother Lode Belt, Amador Co., California, USA