Mine detail: Idaho - Maryland

Previously called ''

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Location

Lat / long: 39.22433, -121.03881

Resource(M)

Primary: Gold
Secondary: Copper, Lead, Zinc, Silver
Ore: Gold, Scheelite, Sphalerite
Gangue: Ankerite, Dolomite, Quartz, Talc
Orebody form: SHOOTS, SEAMS, STRINGERS, RIBBON - LIKE, FISSURES

Production

Operation type: Unknown
Production size: Large
Development status: Past Producer

Geology

Host type:Diabase
Associated type:Granite
Structure:3 Faults Cut Veins. Diabase Dike 20 - 30 Ft. Thick.

References

MRDSC011231
DEP10007405
Reference{Deposit:: WOLFIN, H. M., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 P. 403 - 406 .}{Deposit:: MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 185 - 191 .}{Deposit:: LOGAN, C. A., 1934 , SACRAMENTO FIELD DIVISION: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 31 , NO. 1 , P. 15 - 16 .}{Deposit:: LOGAN, C. A., 1930 , SACRAMENTO FIELD DIVISION: REPORT XXVI OF THE STATE MINERALOGIST; CALIFORNIA DIVISION OF MINES VOL. 26 , NO. 2 , P. 114 - 118 .}{Deposit:: 5) GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 53 , NOS. 3 AND 4 , P 580 .}{Deposit:: 6) JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 94 - 96 .}{Production:: MACBOYLE ( 1918 ) LOGAN ( 1934 ) WOLFIN ( 1941 ) GOODWIN ( 1957 ), JOHNSON ( 1941 )}
ReporterBowman, J. And Albers, J., Mosier, Dan