Mine detail: Tough Nut Mine

Previously called 'Romans Rainbow 1 and 2'

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Location

Lat / long: 35.00142, -115.53113

Resource(M)

Primary: Gold, Silver
Secondary: Lead, Zinc
Discovery year: 1870

Production

Operation type: Underground
Development status: Occurrence

Geology

References

MAS60711777
DEP10262053
Reference{Deposit:: CRAWFORD, J. J., 1896, THIRTEENTH REPOTRT OF THE STATE}{Deposit:: MINERALOGIST (THIRD BIENNIAL) FOR THE TWO YEARS ENDING}{Deposit:: SEPTEMBER 15, 1896: CALIFORNIA STATE MINING BUREAU,}{Deposit:: 726 P.}{Deposit:: HAZZARD, J. C., 1954, ROCKS AND STRUCTURE OF THE NORTHERN}{Deposit:: PROVIDENCE MOUNTAINS, SAN BERNARDINO COUNTY, CALIFORNIA,}{Deposit:: PROVIDENCE MOUNTAINS STUDY AREA, SAN BERNARDINO COUNTY,}{Deposit:: CALIFORNIA: U.S. BUREAU OF MINES OPEN-FILE REPORT}{Deposit:: P. 27-35, MAP SHEETS.}{Deposit:: MOYLE, P. R., AND OTHERS, 1986, MINERAL RESOURCES OF THE}{Deposit:: MLA 47-86, APPENDIX B, NO. 112, P. 290}
ReporterMoyle, Phillip R.