Igneous Petrology

A source rock undergoes batch melting, 5% partial melting and bulk distribution coefficient of 0.045, the enrichment factor (Cl/Co) of Rb in melt will be ……………… (round of to 2 decimal places).

$$ \frac{C(l)}{C(o)} = \frac{1}{Di(1-F) + F} $$

$$ = \frac{1}{0.045(1-0.05) + 0.05} $$

$$ = \frac{1}{0.045(0.95) + 0.05} $$

$$ = \frac{1}{0.09275} $$

$$ = 10.78 $$ Ans.

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