Dune Sand, Kalahari
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Mata-Mata landscape |
Eolian quartz sand with clay |
Location |
Kalahari desert, near Mata-Mata, southern Namibia, Afrika |
Depositional facies |
replace this with text about the dep facies |
Provenance |
Unknown |
Composition |
Limpid quartz, mostly with thin FeOx or clay cutanes |
Texture |
Fine medium sand (ca. 200 µ), very well sorted, subangular |
Petrographic thin section:
Description |
Exclusively limpid monocristalline quartz, mostly with thin FeOx or clay cutanes |
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Bright field |
Dark field |
Sample number |
heubeck0071 |
Collector |
W. Franke |
Date 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
