Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Von Gruenewaldt, G. (Gerhard), 1942-"
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Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Von Gruenewaldt, G. (Gerhard), 1942-"
Now showing items 1-13 of 13
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(University of Pretoria, 1987)
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(University of Pretoria, 1982)The Platreef on Drenthe 778 LR lies at the base of the Rustenburg- Layered Suite of the Potgietersrus limb of the Bushveld Complex. Archaean granites form the floor rocks of this reef. It is 250 metre thick and consists ...
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(University of Pretoria, 1983)Orientated samples were collected from 88 sites 1n the marginal, lower, critical, main and upper zones of the layered sequence of the Bushveld Complex. Apart from measuring the remanent magnetization of these samples, the ...
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(University of Pretoria, 1989)The transition from the lower to the upper critical zone and associated rocks (LG 6 - UG 1) has been investigated geochemically and petrographically. This well-layered and ·1ithologically heterogeneous succession is explained ...
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(University of Pretoria, 1984)Low-grade tin deposits occur within the apex of the Bobbejaankop Granite intrusion at the Zaaiplaats Tin Mine. The finegrained hood-facies of the Bobbejaankop Granite, called the Lease Granite, seems to be intrusive ...
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(University of Pretoria, 1994)The geochemical trends of the Bierkraal 1 drill core are investigated to document fractionated magma, 2) convectional overturning resulting from the disintegration of a stagnant layer, or 3) whether prestratification of ...
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(University of Pretoria, 1983)A mineralogical and geochemical investigation of the country rock around pipe-like ore bodies in the Lease Granite was undertaken to obtain a better understanding of the conditions of formation of the pipes. It was also ...
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(University of Pretoria, 1985)Please read the abstract in the section 00front of this document
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(University of Pretoria, 1978)English: Part of the Transvaal Supergroup, viz. the upper formations of the Chuniespoort Group and the Pretoria Group between Zeerust and the border with Botswana, was mapped. The metamorphic aureole of the Bushveld ...
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(University of Pretoria, 1983)A sequence of 3250 m of the Rustenburg Layered Suite and its associated mineralization south of Potgietersrus was investigated. Four episodes of faulting have deformed the area. This resulted in very early differentiates, not ...
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(University of Pretoria, 1992)An investigation into the processing and interpretation of the P1-86 reflection seismic data, acquired by the Geological Survey of South Africa in 1986, is shown in this thesis. The seismic line is geographically located ...
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(University of Pretoria, 1998)The aims of this study are twofold. First is to investigate the potential link between the predominantly volcanic Dullstroom Basalt Formation and the Rooiberg Group (both units formerly considered as part of the Transvaal ...
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(University of Pretoria, 1992)
Now showing items 1-13 of 13