CSIR NET
Shivam sharma Asked a Question
September 3, 2020 9:41 ampts 30 pts
  • CSIR NET
  • Earth Sciences

Given below is a thin section sketch (not to scale) of a banded metamorphie rock of normal pelite bulk rock conposition. the rock shows developrment of differen

Not able to predict facies of metamorphism. High Pressure Polymorph is Kyanite. And Low tempreture polymorph is Andalusite. And Low P and Low T is ?
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  • Sajan sarthak sahoo Best Answer
    A is upper amphibolite B is greenschist facies. PQRS IS A DEFORMATION SURFACE. KYANITE IS HIGH P low T Sillimanite Low P and High T
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    Shivam sharma
    But in question Low P and Low T is asked so it is andalusite
  • Rahul pandey thankyou
    1. (i) Given that the protolith is normal pelite Kfs+Qtz+Grt+Sill+Bt+Plg (Band A) is Granulite facies Mu+Bt+Qtz+Grt+Chl+Plg (Band B) belongs to Amphibolite facies Look at the a...
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