IIT JAM
Anukruti Asked a Question
September 24, 2020 10:34 ampts 30 pts
  • IIT JAM
  • Geology (GG)

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  • Rahul kumar
    As I have stated in answer, the modal composition of all minerals (olivine+Opx+Cpx+Others) is greater than 100%, which is wrong because modal composition can't be greater than 100%...
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  • Rahul kumar
    Diagramatic representation of the rock.
    • cropped3551235566794526890.jpg
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  • Rahul kumar Best Answer
    Ans: Lherzolite; In the given rock the modal composition of mafic minerals (Olivine+opx+cpx) is 97%, which is greater than 90% that's why we will use IUGS classification of ultram...
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  • Sajan sarthak thankyou
    Lherzolite see the attached figure and develop the imagination
    • cropped8176332528228510016.jpg
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    Anukruti
    i know the answer lherzolite how it will be also i knew sir.but i wanted a perfect answer to clear my doubts.
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