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Biswajit Swain posted an Question
January 27, 2021 • 23:27 pm 30 points
  • IIT JAM
  • Geology (GG)

Correct: 2 wrong: 0.66 question number: 34 the given p-t diagram shows four distinct metamorphic paths designated as 1,2. 3 and 4. which one of these p-t paths

Correct: 2 Wrong: 0.66 Question Number: 34 The given P-T diagram shows four distinct metamorphic paths designated as 1,2. 3 and 4. Which one of these P-T paths represents crustal thickening in a collisional tectonic setting? illimanite30 yanite 10 Andalanil 200 400 600 800 TOC) (B)2 )3 (D) 4 (A)

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    Saurabh 1 best-answer

    Clearly in path 2 , one can see increase in physical conditions (pressure and temperature) or in general a characteristic of prograde Metamorphism. This path is considered to be the norm for regional metamorphism which involves intense deformation(or one can say a typical P-T-t path for an orogenic belt which experiences crustal Thickening)... So correct option is (b) Path 2...

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