...
0142
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Eolian
...
sand,
...
Mongolia
Location:
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Zuun
...
mod
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Elstei,
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50
...
km
...
east
...
of
...
Ulaanbaatar,
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Mongolia;
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E
...
107°28'55.1";
...
N
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47°47'27.5"
...
...
Provenance:
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Mix of (1)
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granitoid
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plutonic
...
rocks
...
and
...
(2)
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low-medium-grade
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metasedimentary
...
(schist,
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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.
...
...
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.
...
