Mine detail: Madrid Mine

Previously called 'True BlueGenochio Mine'

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Location

Lat / long: 38.14301, -120.51291

Resource(M)

Tertiary: Chromium, Iron
Other material: Asbestos, Chlorite, Chromite, Serpentine, Talc
Discovery year: 1916

Production

Operation type: Surface-Underground
Development status: Past Producer
First production started: 1917

Geology

References

MAS60091474
DEP10138501
Reference{Deposit:: CAL STATE,MINING BUR BULL 76 P.123, 1918}{Deposit:: CAL. DIV. MINES GEOL. BULL 134 PT3, CHAP 2, P.56-57}{Deposit:: COOP WAR MINERALS INVEST PROJ,CALAVERAS CO NO.17 TALIAFERRO}{Deposit:: MINES & MINERAL RESOURCES CALAVERAS.COUNTY REPT NO.2 P.22,12}
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