When rock is partially melted,the chemistry of the melt is ____________.
A) more mafic than the original chemistry of the rock that was partially melted
B) more felsic than the original chemistry of the rock that was partially melted
C) identical to the original chemistry of the rock that was partially melted
D) completely unpredictable (it could be more mafic or more felsic)
Correct Answer:
Verified
Q1: If the volatile content of magma is
Q3: Radioactive isotopes,differentiation of Earth's iron core,gravity-driven compression,and
Q3: The difference between magma and lava is
Q4: Volatiles refer to substances that _.
A)crystallize most
Q5: All other factors being equal,intrusive rocks that
Q6: All of the Earth's internal heat was
Q8: Important volatiles in magmas include _.
A)iron- and
Q9: Very early in Earth's history,it was so
Q13: A majority of the melts in the
Q19: Most commonly,felsic igneous rocks
A) contain more iron
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