File:Kwartsietklip, b, Daspoort-formasie, Faerie Glen NR.jpg
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Captions
Quartzite in Pretoria, South Africa
Summary edit
| Description |
Afrikaans: Kwartsiet van die Daspoort-formasie in die Pretoria-groep, in Faerie Glen Natuurreservaat, Pretoria. Dit is onreaktief en weerstandbiedend teen erosie, en vorm gevolglik die kruin van die randjie. Die sandsteenlaag is omtrent 2.1 miljard jaar gelede in kwartsiet getransformeer, en het daarna noordwaarts gekantel, na 'n baie groot, antieke magmakamer, wat sowat 15 km na die noordekant geleë is.
English: Quartzite of the Daspoort formation in the Pretoria Group, in Faerie Glen Nature Reserve, Pretoria. It is nonreactive and resistant to erosion, and consequently forms the crest of the hill. The sandstone layer was transformed to quartzite some 2.1 billion years ago, and was afterwards tilted to the north, towards a very large, ancient magma chamber, situated about 15 km kilometers to the north. |
| Date | |
| Source | Own work |
| Author | JMK |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 10:59, 13 November 2014 | | 4,000 × 3,000 (5.55 MB) | JMK (talk | contribs) | {{Information |Description ={{en|1=Quartzite of the Daspoort formation in the Pretoria Group, in Faerie Glen Nature Reserve, Pretoria. It is nonreactive and resistant to erosion, and consequently forms the crest of the hill. The sandstone layer was... |
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