Reference | {Deposit:: BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: OUSSEDIK, M. ET AL., 1979: LES MINERALISATIONS PHOSPHATEES EOCENES EN ALGERIE, DOCUMENT DU BRGM, NO.24, P.141-154, 1980, ORLEANS}{Deposit:: CHABOU, M. 1974: A GEOLOGIC OUTLOOK ON THE PHOSPHATE IN ALGERIA, THE SECOND ARAB CONFERENCE FOR MINERAL RESOURCES, PART III, P.58-77, JEDDAH}{Production:: BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED. P.144, LONDON ORE P REC B.27 C.MIL MT D.1979 E.65 % BPL, 29.8 % P2O5} |