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
Pratt & Dubugue Consolidated Quartz Mine (Pratt & Dubugue Con Qtz; Brickyard Lot; Dubuque; Pratt; Pratt And Dubuque), Grass Valley, Grass Valley District, Nevada Co., California, USA