| | Journal (article/letter/editorial) | MEMBERS OF THE BRAUNITE GROUP1 P. R. oB Vrr-trnns2 GeologicalSuruey, Pretoria, South AJrica AND F. H...and,Ind,ustr'ialResearch,Pretor'ia,South AJrica. Alsrucr Braunite from the Northern Transvaal has cell...ordered version of ordinary braunite and is provisionally called braunite-Il' INrnonucrroN Problems of...situation exists in the braunite group of minerals:the ideal compositionof ordinary braunite is 3MnzOa.MnSiOs...(1945)has reported the occurrenceof a so-calledferrian braunite with less than half the silica content required | | | Book (edition) | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...reason of the great diversity and magnitude of South African mineral deposits and local mining operations...Chamber of Mines of South Africa with Mr G. H. Grange as co-ordinator, and the South, African mining industry; |
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