Discussion :: Lithosphere
- Which among these is a metamorphic rock?
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Answer : Option A
Explanation :
Gneiss is a foliated metamorphic rock that is a common distribute type of rock high-grade regional metamorphic approaches from pre-current formations that have been initially both igneous or sedimentary rocks. It has a glorious banding which is apparent on microscopic scale and hand specimen. Gneiss usually is prominent from schist by its foliation and schistosity; displays a properly-advanced foliation and a poorly advanced schistosity and cleavage.
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