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
Philadelphia Mine, Alcalde Mine Group (Alcade; Eclipse; Hidden Treasure; Accidental; Oxford; Diamond; Philadelphia; Stonewall Jackson; Johnson; Gould; Curry; South Curry; Indiana And South Standard Claims), Grass Valley, Grass Valley District, Nevada Co., California, USA