Seitenhistorie

 Kalahari

| !mata_mata_Kalahari_sm300.jpg|thumbnail! | | !Mata-Mata_mak.JPG|thumbnail! |
| Mata-Mata landscape

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www.olifants.de

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{table-cell:width=30%}
{table-cell} | Eolian quartz sand with clay \\
cutanes |

h6. Location:

Kalahari desert, near Mata-Mata, southern Namibia, Afrika

h6. Provenance:

Unknown

h6. Composition:

Limpid quartz, mostly with thin FeOx or clay cutanes

h6. Petrographic thin

 section:

| !Mata-Mata_ts_II_sm500.jpg|thumbnail,align=left! | Exclusively limpid monocristalline \\
quartz, mostly with thin FeOx or \\
clay cutanes | !Mata-Mata_ts_x.JPG|thumbnail,align=left! |
| Bright field \\ | | Dark field \\ |

h6. Texture:

Fine medium sand (ca. 200 µ), very well sorted, subangular
\\
|| Sample number \\ || Collector || Date of sampling \\ ||
| heubeck0071 | W. Franke | 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