File:Kwartsietklip, c, Daspoort-formasie, Faerie Glen NR.jpg

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Captions

Captions

Quartzite in Pretoria, South Africa

Summary

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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 location25° 46′ 16″ S, 28° 17′ 45″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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I, the copyright holder of this work, hereby publish it under the following licenses:
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current11:05, 13 November 2014Thumbnail for version as of 11:05, 13 November 20144,000 × 3,000 (3.89 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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