Dune Sand, Kalahari
|
| |
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:
| |
Bright field | Dark field |
Description | Exclusively limpid monocristalline quartz, mostly with thin FeOx or clay cutanes |
...
Texture:
...
fine medium sand (ca. 200 µ), very well sorted, subangular
...
Sample Number:
...
|
| |
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
