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h5. 0142 Eolian sand, |
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Location:
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Mongolia !mong_scen_1500.jpg|thumbnail,align=left! h6. \\ h6. Location: Zuun mod Elstei, 50 km east of Ulaanbaatar, Mongolia; E 107°28'55.1"; N 47°47'27.5" |
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\\ h6. Provenance: |
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Mix of (1) granitoid plutonic rocks and (2) low-medium-grade metasedimentary (schist, marble) and possibly metavolcanic rocks. Composition: |
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Mix of translucent - transparent quartz with pink feldspar, white marble and grey-green low-grade metamorphic rocks (schists); possibly also higher-grade metamorphic rocks involved. |
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Few heavy minerals, including garnets |
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Glass bead is 200µm in diameter.
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Texture:
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. \\ h6. !mong_dune_macro_1400.jpg|thumbnail,align=left! Glass bead is 200µm in diameter. \\ h6. Texture: Characteristic eolian texture: Medium grained (mL-MU; mean ca. 350 µ), well sorted, depending on mineralogy poorly to well rounded. Characteristic polished, matted ("frosted") grain surfaces typical of eolian transport. |
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h6. Sample Number: |
heubeck014
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Collector:
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Dr. Ochirbat Batkhishig, Institute of Geography, Mongolian Academy of Sciences, Mongolia.
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heubeck014
h6. Collector:
{color:#000000}Dr. Ochirbat Batkhishig, Institute{color} {color:#000000}of Geography{color}{color:#000000}, Mongolian Academy of Sciences, Mongolia.{color}
January, 2008
h6. Comments:
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Characteristic eolian texture: Medium grained (mL-MU; mean ca. 350 µ), well sorted, depending on mineralogy poorly to well rounded. Characteristic polished, matted ("frosted") grain surfaces typical of eolian transport.
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