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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Sajan sarthak Best Answer
slate -> phyllite ->schist -> Gneiss-> migmatite is the correct order of metamorphism from low grade to high grade. so slaty cleavage low grade metamorphism. and segregation of banding that is gneiss or migmatite is high grade metamorphism. ->perthitic texture is exsolution in nature. ->Compositional zoning is disequilibrium in nature.