earthstory: Lherzolite – abstract art from the depths What…

earthstory:

Lherzolite – abstract art from the depths

What you see on the picture below is a thin section of a peridotite – more specifically lherzolite, due to the presence of both clino- and orthopyroxene – placed between two polarization filters and magnified with a microscope. Each individual grain in this section is about 0.5-1mm in diameter, the thickness of this thin section is 30µm.

So how come it shows such unexpected colors?

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Geology Nerd

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