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Yukti posted an Question
November 17, 2020 • 21:47 pm 30 points
  • IIT JAM
  • Geology (GG)

A basaltic flow at & mid oceanic ridge has 8 w% mgo and 10 w% feo what is the mg# of the rock? assume molecular weights of mg0 and fe0 to be 40 and 72, respecti

A basaltic flow at & mid oceanic ridge has 8 w% Mgo and 10 w% FeO What is the Mg# of the rock? Assume molecular weights of Mg0 and Fe0 to be 40 and 72, respectively. I. -36 3.72 2 -59 4

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    Pavan suryawanshi best-answer

    page number 498 from notes...they ask similar question. try to calculate

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    ok

  • comment-profile-img>
    Rahul kumar best-answer

    Answer: (2) Mg# = 59 Mg# = [(wt% of MgO/Mol wt of MgO) / [(wt% of MgO/Mol wt of MgO) + (wt% of FeO/Mol wt of FeO)] × 100 Mg# = [ (8/40) / [(8/40)+(10/72)] ] × 100 Mg# = 0.59 × 100 = 59

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    thank u

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