Eolian Sand, Red Centre, Australia
| Eolian deposition in dune and |
| |
Red Centre, Australia |
| Macro, sphere is 2000 μ |
Location |
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Curtain Creek, Red Centre, Australia |
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Provenance:
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Depositional facies | Eolian deposition in dune and interdune areas |
Provenance | Sedimentary rocks in central Australia (e.g. Ayers Rock, Kata Tjuta, Mount Conner) |
Composition |
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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:
| Limpid monocrystalline quartz, |
|
| _ |
Bright field |
| Closeup |
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Texture:
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Close up |
Sample number | heubeck0043 | ||
Collector | Date of sampling | heubeck0043 | Dr. Dorothee Mertmann, Universität Halle |
|---|---|---|---|
Date of sampling | 2007 |
Comments:
Red colour of quartz grains caused by FeOx cutanes, frequent humidification through periodical rise of ground water
