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Gurmeet singh Asked a Question
January 29, 2021 7:54 pmpts 30 pts
  • IIT JAM
  • Geology (GG)

The assemblage staurolite+ garnet +biotite + muscovite +quartz in pelites is stable in (a) greenschist facies (c) granulite facies (b) amphibolite facies (d) py

The assemblage staurolite+ garnet +biotite + muscovite +quartz in pelites is stable in (A) greenschist facies (C) granulite facies (B) amphibolite facies (D) pyroxene hornfels facies
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  • Ali Asif thankyou
    Muscovite mainly stable as maximum upto the the upper zone of the AMPHIBOLITE FACIES nearly about 600°C temperature and further increase of temperature cause a MUSCOVITE BREAKDOWN ...
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  • Saurabh shukla thankyou
    This pelitic assemblage is characteristic of Amphibolite facies mainly. It cannot be granulite , as you might be knowing already that in granulite facies dehydrated mineral assemb...
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  • Sajan sarthak Best Answer
    IT'S NOT GRANULITE AS GRANULITE DOESN'T CONTAIN HYDROUS MINERAL LIKE MUSCOVITE. NOT HORNFELS OF PYROXENE AS PYROXENE NOT PRESENT. NOT EVEN GREENSCHIST AS NO CHROLITE ,EPIDOTE LIK...
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    Gurmeet singh
    sir can you make it more easy only for the pelites.. please..