| Reference | {Deposit:: VINCIENNE, H., 1956. OBSERVATIONS GEOLOGIQUES SUR QUELQUES GITES MAROCAINS DE MANGANESE SYNGENETIQUE. MANGANESO, MEXICO, 2: 249-268.}{Deposit:: BOLTON B.R., 1989. THE MANGANESE POTENTIAL OF CRETACEOUS STRATA IN SOUTH WESTERN MORROCCO. REPORT TO BHP.} |