Eolian Sand, Red Centre, Australia
| Eolian deposition in dune and |
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Red Centre, Australia | Macro, sphere is 2000 μ |
Location |
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Curtain Creek, Red Centre, Australia | |
Depositional facies | Eolian deposition in dune and interdune areas |
Provenance |
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Provenance of the sand, description of sedimentation route....
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Composition:
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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:
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Description | Limpid monocrystalline quartz, red FeOx cutanes |
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Bright field |
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Texture:
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Texture of the grains, ecc.
Close up |
Sample number | heubeck0043 | ||
Collector | Dr. Dorothee Mertmann, Universität Halle | ||
Date of sampling |
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| 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
