Dune Sand, Kalahari
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Mata-Mata landscape |
| Eolian quartz sand with clay |
Location |
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Kalahari desert, near Mata-Mata, southern Namibia, Afrika | |
Depositional facies | replace this with text about the dep facies |
Provenance |
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Unknown | |
Composition |
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Limpid quartz, mostly with thin FeOx or clay cutanes | |
Texture | Fine medium sand (ca. 200 µ), very well sorted, subangular |
Petrographic thin section:
| Exclusively limpid monocristalline |
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Bright field |
| Dark field |
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Texture:
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Sample |
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number | heubeck0071 |
Collector |
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W. Franke | |
Date |
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of sampling | unknown |
Comments:
The excellent sorting and especially the abscence of coarse grains in combination with the high mineralogical maturity indicate an eolian transport and sedimentation
