New Zealand

Tramper

Leucosomes Above Centre Pass, Dusky Track

Leucosomes Above Centre Pass, Dusky Track

In gneiss or migmatite (high grade metamorphic rocks), you see segregations of light and dark bands. These bands can often be very folded and contorted. The light-coloured ones, which may represent the beginnings of granite melt separation, are known as leucosomes. If you look carefully in the photo, you can see these irregular contorted white segregation bands.

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ID 2328

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Creator: Roderick Added 17 October 200717 October 2007 by Roderick. 1 revision 17 October 200717 October 2007 by RoderickRoderick.
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