Question

what minerals are in gniess
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Answer 1

Answer:

Mineralogy - felsic minerals such as feldspar ( orthoclase, plagioclase) and quartz generally form the light coloured bands; mafic minerals such as biotite, pyroxene ( augite) and amphibole ( hornblende) generally form the dark coloured bands; garnet porphyroblasts common. Other features - generally rough to touch.

Explanation:

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Answer 2

what minerals are in gniess?

Mineralogy - felsic minerals such as feldspar and quartz generally form the light coloured bands; mafic minerals such as biotite, pyroxene and amphibole generally form the dark coloured bands; garnet porphyroblasts common. Other features - generally rough to touch.....!!