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Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe
Apophyllite is a phyllosilicate mineral commonly associated with hydrothermal environments. It is a major secondary phase occupying fractures in a dolerite breccia pipe on the farm Kopoasfontein, outside Calvinia in the western Karoo, South Africa. Groundwater abstracted from this breccia is unchara...
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| Format: | Thesis |
| Language: | English |
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Department of Geological Sciences
2024
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| _version_ | 1867613324445745152 |
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| access_status_str | Open Access |
| author | Cavé, Lisa Caryn |
| author2 | Fey, Martin |
| author_browse | Cavé, Lisa Caryn Fey, Martin |
| author_facet | Fey, Martin Cavé, Lisa Caryn |
| author_sort | Cavé, Lisa Caryn |
| collection | Thesis |
| description | Apophyllite is a phyllosilicate mineral commonly associated with hydrothermal environments. It is a major secondary phase occupying fractures in a dolerite breccia pipe on the farm Kopoasfontein, outside Calvinia in the western Karoo, South Africa. Groundwater abstracted from this breccia is uncharacteristically alkaline (pH 10) and high in fluoride (11 mg/L) for a natural water and the link between the groundwater chemistry and breccia pipe minerals has been investigated. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/40090 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:34:20.437Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| 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:11427/40090 Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe Cavé, Lisa Caryn Fey, Martin Jackson, Graham Nordström, Kirk Geological Sciences Apophyllite is a phyllosilicate mineral commonly associated with hydrothermal environments. It is a major secondary phase occupying fractures in a dolerite breccia pipe on the farm Kopoasfontein, outside Calvinia in the western Karoo, South Africa. Groundwater abstracted from this breccia is uncharacteristically alkaline (pH 10) and high in fluoride (11 mg/L) for a natural water and the link between the groundwater chemistry and breccia pipe minerals has been investigated. 2024-07-02T09:15:03Z 2024-07-02T09:15:03Z 2002 2024-07-01T13:12:21Z Thesis / Dissertation Doctoral PhD http://hdl.handle.net/11427/40090 eng application/pdf Department of Geological Sciences Faculty of Science |
| spellingShingle | Geological Sciences Cavé, Lisa Caryn Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe |
| thesis_degree_str | Doctoral |
| title | Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe |
| title_full | Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe |
| title_fullStr | Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe |
| title_full_unstemmed | Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe |
| title_short | Apophyllite weathering and the aqueous geochemistry of a Karoo breccia pipe |
| title_sort | apophyllite weathering and the aqueous geochemistry of a karoo breccia pipe |
| topic | Geological Sciences |
| url | http://hdl.handle.net/11427/40090 |
| work_keys_str_mv | AT cavelisacaryn apophylliteweatheringandtheaqueousgeochemistryofakaroobrecciapipe |