h5. 0142 Eolian sand, Mongolia
h6. Location:
Zuun mod Elstei, 50 km east of Ulaanbaatar, Mongolia; E 107°28'55.1"; N 47°47'27.5"
h6. Provenance:
Mix of (1) granitoid plutonic rocks and (2) low-medium-grade metasedimentary (schist, marble) and possibly metavolcanic rocks. Composition: 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. Few heavy minerals, including garnets.
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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.
h6. Sample Number:
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heubeck014
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h6. Collector:
{color:#333333}Dr. Ochirbat Batkhishig,{color} Institute{color:#333333}of{color} Geography{color:#333333}, Mongolian{color} Academy of Sciences,Mongolia |