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desmond a pretorius
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The sources of Witwatersrand gold and uranium
Desmond A. Pretorius · University of the Witwatersrand
43 sayfa · 1989
Geology / Gold ores / South Africa / Uranium ores / Witwatersrand
The EGRU information circulars
Desmond A. Pretorius · University of the Witwatersrand, Economic Geology Research Unit
26 sayfa · 1988
Bibliography / Geology / University of the Witwatersrand / University of the Witwatersrand. Economic Geology Research Unit
The role of E.G.R.U. in mineral exploration in South Africa
Desmond A. Pretorius · Economic Geology Research Unit, University of the Witwatersrand
16 sayfa · 1973
Mines and mineral resources / Prospecting / University of the Witwatersrand / University of the Witwatersrand. Economic Geology Research Unit