...
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:
...
Description | Exclusively limpid monocristalline quartz, mostly with thin FeOx or clay cutanes |
|
| |
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
