| Lat / long: | 38.37936, -118.76846 |
| Primary: | Gold, Silver |
| Secondary: | Antimony, Arsenic |
| Tertiary: | Zinc, Selenium, Copper, Lead, Mercury, Bismuth, Tellurium, Nickel |
| Ore: | Chalcocite, Cinnabar, Covellite, Enargite, Nagyagite, Niccolite, Pyrrhotite, Sphalerite |
| Discovery year: | 1986 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Production years: | 1986-1989 |
| First production started: | 1986 |
| Last production ended: | 1989 |
| Host type: | Andesite |
| Structure: | Walker Lane Structural Zone., Freedom Flats Fault Zone Strikes Northeast And Dips Steeply Northwest. Movement Is Oblique Slip With Both 100-200 Ft. Of Normal And 500-1000 Ft. Of Left Lateral Displacement. |
| Alteration processes: | Silicification, Oxidation, Argillization, Propylitization. Conduit For Hydrothermal Fluids Was 100-200 Ft. Wide Core Zone Of Silica Breccia With Abundant Iron Oxide Minerals. Silica Breccia Zone Narrows Downward And Grades Downward Into Oxidized Quartz-Sulfide And Unoxidized Quartz-Pyrite Alteration. Argillic And Propylitic Alteration Zones Develop Outward From Core. Barren Opal And Chalcedonic Silica Overlie Deposit. |
| MRDS | RE00018 |
| DEP | 10106950 |
| Reference | {Deposit:: ENG, T. 1991, GEOLOGY OF THE FREEDOM FLATS GOLD DEPOSIT, BOREALIS MINE, MINERAL COUNTY, NEVADA, GSN 1990 SYMPOSIUM PROCEEDINGS, P. 995-1019.}{Deposit:: NBMG, 1994, MI-1993}{Production:: ENG, T., 1991, GEOLOGY AND MINERALIZATION OF THE FREEDOM FLATS GOLD DEPOSIT, BOREALIS MINE, MINERAL COUNTY, NEVADA, GSN 1990 SYMPOSIUM PROCEEDINGS, P. 995- 1019. NBMG MI-1993} |
| Reporter | Phinisey, J. D. (Marcus, S.), Li, Zhiping (Moyer, Lorre A.), Mosier, Dan |