Mine detail: Richards Mine

Previously called 'Annex Chrome MineRough and Ready Mine'

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Location

Lat / long:

37.90822, -120.4924

Resource(M)

Tertiary:	Iron, Chromium
Other material:	Chromite, Magnetite, Olivine, Opal, Serpentine
Discovery year:	1916

Production

Operation type:	Surface-Underground
Development status:	Past Producer
First production started:	1918

Geology

References

MRDS	W02598
MAS	61090044
DEP	10263108
Reference	{Deposit:: CDM AND G BULL. 134 PT 3 SIERRA NEVADA CHAP 1 PP 27-28 1948}{Deposit:: COOPERATIVE WAR MINERAL INVEST INCAL.TUOLUMNE CO #16 UNPUB.1}{Deposit:: IAFERRO}{Deposit:: CAL STATE MINING BUREAU BULL NO. 76,PP.214,1918,BRADLEY.}{Deposit:: ABOVE ARE CORRECT PROPERTY EXTENDS INTO SEC 30 T1N R14E}
Reporter	Wetzel, Nicholas