| Reference | {Deposit:: ENTWISTLE, L., GOUIN, L., 1955, THE CHALCOCITE-ORE DEPOSITS}{Deposit:: COROCORO, BOLIVIA: ECON. GEOL., V. 50, NO. 6, PP. 555-570.}{Deposit:: SINGEWALD, J. T., BERRY E., 1922, THE GEOLOGY OF THE COROCOR}{Deposit:: DIST. OF BOLIVIA: THE JOHNS HOPKINS U. STUDIES IN GEOL. NO.}{Deposit:: BALTIMORE, MD., 117 PGS.}{Deposit:: E/MJ INT.DIRECTORY, 1975-76,PP. 212.}{Deposit:: MINING JOURNAL APR 16 1971, APRIL 2 1976} |