Mine detail: Wiley

Previously called 'Pioneer-LilyamaLilyama Copper Gold Mines'

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Location

Lat / long:

38.7474, -120.93352

Resource(M)

Tertiary:	Chromium
Other material:	Bornite, Chalcopyrite, Gold, Magnetite, Pyrite
Discovery year:	1870

Production

Operation type:	Surface
Development status:	Past Producer
First production started:	1446

Geology

References

MRDS	M007389
MAS	60170033
DEP	10115192
Reference	{Deposit:: BENSON,W.T.,1948,PRELIMINARY REPTON LILYAMA COPPER-GOLD MINI}{Deposit:: EL DORADO CO.,CALIF.PP.7.AUBURY,L.E.,1908,THE COPPER RESOURC}{Deposit:: CALIF.,CALIF.MIN.BUR BULL.50,P.212-213.COX,M.W.,WYANT,D.C.,H}{Deposit:: ,GEOL.OF THE LILYAMA &PIONEER MINES,EL DORADO CO.,CALIF.MIN.}{Deposit:: T.144,P.43-47,1948.}
Reporter	Western Field Operations Center (WFOC)