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 Galena at Big Casino Mine (Big Casino No. 2 Mill Site; MS 69b; Big Casino No. 2; MS 836; Patented Claims: Big Casino No. 2; MS 69a), Galena District (Henson Creek District), Hinsdale Co., Colorado, USA