Eolian Sand, Red Centre, Australia
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Red Centre, Australia Unknown macro: {table-cell} |
Macro, sphere is 2000 μ |
Location |
Curtain Creek, Red Centre, Australia |
Depositional facies |
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 |
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insert here a dark field image |
Bright field Unknown macro: {table-cell} |
Dark field |
Sample number |
heubeck0043 |
Collector |
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
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