Seitenhistorie

h5. Dune Sand, Kalahari

| !mata_mata_Kalahari_sm300.jpg|thumbnail! | | !Mata-Mata_mak.JPG|thumbnail! |
| Mata-Mata landscape \\
www.olifants.de \\ 
{table-cell:width=30%}
{table-cell} | Eolian quartz sand with clay \\
cutanes |

| *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 |
h6. Petrographic thin section:
| *Description* | Exclusively limpid monocristalline quartz, mostly with thin FeOx or clay cutanes |

| !Mata-Mata_ts_II_sm500.jpg|thumbnail,align=left! | | !Mata-Mata_ts_x.JPG|thumbnail,align=left! |
| Bright field \\ 
{table-cell:width=30%} 
{table-cell} | Dark field |

| *Sample number* | heubeck0071 |
| *Collector* | W. Franke | 
| *Date of sampling* | unknown |

h6. Comments:

The excellent sorting and especially the abscence of coarse grains in combination with the high mineralogical maturity indicate an eolian transport and sedimentation

[Additional data page|geowisssand:0071 Additional data]