Gopane Gopani

MANOS,A. INDUSTRIAL MINERALS OF SOUTH AFRICA,REPRINT FROMNOV.1977 ISSUE OF INDUSTRIAL MINERALS,METAL BULLETINLTD., SURREY, ENGLAND, P.22.COETZEE, C.B. MINERAL RESOURCES OF THE REPUBLIC OF SOUTHAFRICA. HANDBOOK 7. P.71-72.CORIN, E.R. FERROUS AND NONFERROUS MINES AND WORKS INSOUTH AFRICA. DIRECTORY NO. 3179. P.36-37.DE VILLIERS, JOHN. THE MANGANESE DEPOSITS OF THE UNION OFSOUTH AFRICA. P.168-187.PROCESSING. R70,000 PLANT FOR RAND LONDON. APRIL 1980. P31RAND LONDON MANGANESE MINES (PROPRIETARY) LIMITED.MANGANESE DIOXIDE ORE RESERVES AND EXPLORATION. NOV. 19787 PP.MCMICHAEL, BRUCE. MANGANESE, EMD-THE POWER IN THE MARKET.INDUSTRIAL MINERALS, NO. 260, MAY 1989, P. 45.NATIONAL MATERAILS ADVISORY BOARD, NATIONAL RESEARCH COUNCIL-NATIONAL ACADEMY OF SCIENCES.. MANGANESE RESERVES ANDRESOURCES OF THE WORLD AND THIER INDUSTRIAL IMPLICATIONS.NMAB-374, WASHINGTON DC, 1981, P. 198; NTIS PB-82-117615.