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A weathered biotite...

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A small stone of micaschist composed of weathered biotite (this mica is coloured in the gold-brown by Fe compounds); the bed of the Lys river near Tschaval.

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Short geology of the Monte Rosa Massif (Album)

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Submitted by Romuald Kosina
on Dec 18, 2007 1:04 pm

Image ID: 366119
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Lat/Lon: 32.84000°N / 113.91°W

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