Gurmeet Singh posted an Question
December 31, 2020 • 03:41 am 30 points
  • IIT JAM
  • Geology (GG)

Kindly verify

. Which of the following facies is not present in low pressure metamorphic series? A. Green schist facies B. Amphibolites facies C. Epidote amphibolite facies DGranulitic facies ? (DU-2014) 8. Metasomatism represents: Closed system BOpcn system C. Isolated system D. Adiabatic system A. /nIt 20141

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    Rahul kumar Best Answer

    Marked options are correct. Answer (D) Granulite facies Granulite facies is associated with high pressure and high temperature Metamorphism. So, the most probable answer to this question should be Granulite facies. Answer (B) Open system Metasomatism is the chemical alteration of a rock by hydrothermal and other fluids. Fluids are mobile in nature so it can't represent a closed system. Role of fluids implies that metasomatism is of open system behaviour.

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