Harshvardhan Sharma posted an Question
January 03, 2021 • 15:50 pm 30 points
  • IIT JAM
  • Geology (GG)

What will be the composition after the complete crystallization of magma in given diagram

If it's 60-40 then why it isn't 18-82? kindly explain anyway

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  • Suvitha

    after complete crystallization at eutectic it will be 60 -40 ,but at a point given in the diagram the dotted line intersect at 82 percent diopside and 18 percent anorthite

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    What I get from reading again is that In eutectic crystallization,the final composition is of eutectic point and not the bulk composition like in solid solution system

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