Category:Gneiss

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日本語: 片麻岩
한국어: 편마암
Русский: Гнейс
Українська: Гнейс
gneiss 
common and widely distributed type of rock
Gneiss.jpg
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Instance of metamorphic rock
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Gneiss is a medium to coarse-grained banded rock formed as a result of high grade regional metamorphism. It is characterised by a layered appearance caused by the minerals from quartzo-feldspathic minerals in discontinuous layers. The ferromagnesian minerals are commonly biotite and/or hornblende with pyroxene being less common. Garnet is often present as an accessory mineral. A good example is Stainzer Hartgneis, Austria.

Subcategories

This category has the following 21 subcategories, out of 21 total.

 

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Media in category "Gneiss"

The following 185 files are in this category, out of 185 total.