| Lat / long: | 39.33461, -120.95659 |
| Primary: | Gold |
| Secondary: | Manganese |
| Tertiary: | Iron |
| Ore: | Gold, Hematite, Psilomelane, Rhodonite |
| Gangue: | Limonite, Quartz |
| Orebody form: | SEAMS, STRINGERS |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Diabase |
| Associated type: | Slate,Argillite,Chert |
| Structure: | Dikes, 2 - 10 Ft. Thick, Cut Associated Rocks, Which Strike N To N 45 W And Dip 60 Ne To Nearly Vertical. |
| Alteration processes: | Dikes Highly Altered; Soft, Crumbly Porphyritic Rock Rich In Hematite And Limonite. |
| MRDS | C011589 |
| DEP | 10101300 |
| Reference | {Deposit:: LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY; CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .}{Deposit:: SOUTHERN PACIFIC COMPANY, 1964 , MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2 , P. 31 , 60 .}{Deposit:: MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 229 .}{Deposit:: TRASK, P. D., WILSON, I. F., AND SIMONS, F. S., 1943 , MANGANESE DEPOSITS OF CALIFORNIA, A SUMMARY REPORT: CALIFORNIA DIVISION OF MINES AND GEOLOGY, BULL. 125 , P. 148 .} |
| Reporter | Bowman, J. And Albers, J. |