Mine detail: Copperstone Open Pit

Previously called 'CopperstoneCopperstone UndergroundContinental Silver Claim Group'

<< Back to the map

Location

Lat / long:

33.87925, -114.29999

Resource(M)

Primary:	Gold
Tertiary:	Silver
Other material:	Amethyst, Barite, Chlorite, Chrysocolla, Feldspar, Fluorite, Goethite, Gold, Hematite, Kaolinite, Magnetite, Plagioclase, Pyrolusite, Quartz, Sericite, Silver
Discovery year:	1979

Production

Operation type:	Surface
Development status:	Plant
First production started:	1987

Geology

References

MRDS	TC00084
MAS	40120006
DEP	10259110
Reference	{Deposit:: ROUNDS, MIKE (ADVISOR; PUBLIC, GOVERNMENT AND INVESTOR}{Deposit:: RELATIONS WITH CYPRUS MINERALS COMPANY). NEWS RELEASE.}{Deposit:: ENGLEWOOD, CO. NOVEMBER 18, 1987, 3 PP.}{Deposit:: HAGMAN, RICHARD H. (MANAGER; PUBLIC, GOVERNMENT AND INVESTOR}{Deposit:: ENGLEWOOD, CO. JULY 28, 1988, 5 PP.}{Deposit:: CYPRUS MINERALS COMPANY, 1988 S.E.C., FORM 10-K REPORT, P 4.}{Deposit:: CYPRUS MINERALS CO., 1990 SEC, FORM 10-K REPORT, PP. 2, 4-5.}{Deposit:: CYPRUS MINERALS CO., 1991 SEC, FORM 10-K REPORT, P7.}{Deposit:: CYPRUS MINERALS CO., 1992 SEC, FORM 10-K REPORT, P10.}{Deposit:: CYPRUS AMAX MINERALS COMPANY, 1993 SEC, FORM 10-K REPORT,}{Deposit:: P14.}
Reporter	Buckingham, David A.