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
Wisconsin Quartz Mine (Menlo; Wisconsin-Illinois; Wisconsin And Illinois Claim), Empire West Mine (Lone Ridge), Empire Star Group (Empire Star Mines Company Holdings), Grass Valley, Grass Valley District, Nevada Co., California, USA