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Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia
Bibliography: leaves 134-147.
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| Format: | Thesis |
| Language: | English |
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Department of Geological Sciences
2014
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| _version_ | 1867614351982067712 |
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| access_status_str | Open Access |
| author | Chetty, Deshenthree |
| author2 | Frimmel, Hartwig E |
| author_browse | Chetty, Deshenthree Frimmel, Hartwig E |
| author_facet | Frimmel, Hartwig E Chetty, Deshenthree |
| author_sort | Chetty, Deshenthree |
| collection | Thesis |
| description | Bibliography: leaves 134-147. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/9555 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:50:40.437Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2014 |
| publishDateRange | 2014 |
| publishDateSort | 2014 |
| publisher | Department of Geological Sciences |
| publisherStr | Department of Geological Sciences |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/9555 Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia Chetty, Deshenthree Frimmel, Hartwig E Le Roex, Anton Geology Bibliography: leaves 134-147. The Otavi Mountain Land is a base metal ore province in which base metal sulphide deposits are hosted by platform carbonates in a foreland fold-and-thrust belt on the northern edge of the PanAfrican Damara Belt. Deposits have been classified as the Berg Aukas- and Tsumeb- types, based on differences in ore association, stratigraphic position and geochemistry of ores and gangue carbonates. Mineralisation at each of these deposits is accompanied by carbonate alteration in the form of dolomite and calcite veins, carbonate recrystallisation, calcitisation and carbonate silicification. Optical cathodoluminescence imaging, electron probe micro analysis, X-ray fluorescence spectrometry, X-ray diffraction, high performance ion chromatography, proton probe micro analysis, stable isotope techniques, and fluid inclusion microthermometry were employed (i) to differentiate between carbonate generations associated with the alteration and mineralisation, particularly for the more economic Tsumeb-type deposits, represented by Tsumeb and Kombat, as well as in comparing between Berg Aukas- and Tsumeb-type deposits; (ii) to set constraints on the fluids effecting such alteration and associated mineralisation; (iii) to determine the relationship of the Khasib Springs deposit, for which little geochemical data exists, to deposits of the Tsumeb-type, and (iv) to identify those parameters which are diagnostic of Tsumeb-type mineralisation. 2014-11-11T12:55:32Z 2014-11-11T12:55:32Z 1998 Master Thesis Masters MSc http://hdl.handle.net/11427/9555 eng application/pdf Department of Geological Sciences Faculty of Science University of Cape Town |
| spellingShingle | Geology Chetty, Deshenthree Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia |
| thesis_degree_str | Master's |
| title | Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia |
| title_full | Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia |
| title_fullStr | Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia |
| title_full_unstemmed | Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia |
| title_short | Geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the Otavi Mountain Land, Namibia |
| title_sort | geochemical fingerprinting of carbonate wall rock alteration at major base metal sulphide deposits in the otavi mountain land namibia |
| topic | Geology |
| url | http://hdl.handle.net/11427/9555 |
| work_keys_str_mv | AT chettydeshenthree geochemicalfingerprintingofcarbonatewallrockalterationatmajorbasemetalsulphidedepositsintheotavimountainlandnamibia |