Eolian Sand, Red Centre, Australia
| Eolian deposition in dune and |
|
|
|
Red Centre, Australia | Macro, sphere is 2000 μ |
Location |
...
Curtain Creek, Red Centre, Australia | |
Depositional facies |
...
Provenance:
...
Eolian deposition in dune and interdune areas | |
Provenance | Sedimentary rocks in central Australia (e.g. Ayers Rock, Kata Tjuta, Mount Conner) |
Composition |
...
Almost exclusively limpid monocrytalline quartz with FeOx or clay cutanes | |
Texture | Very well sorted, subrounded, dim surfaces, red fine sand (125 - 160 μm) |
Petrographic thin section:
...
Description | Limpid monocrystalline quartz, red FeOx cutanes |
|
|
|
| _ |
Bright field |
|
...
Texture:
...
Texture of the grains, ecc.
Close up |
Sample number | heubeck0043 | ||
Collector | Dr. Dorothee Mertmann, Universität Halle | ||
Date of sampling |
| 2007 |
|
Comments:
Further comments on the sand, depositional history, ecc.Red colour of quartz grains caused by FeOx cutanes, frequent humidification through periodical rise of ground water