Which of the following igneous rocks is composed mainly of ferromagnesian minerals with less than 20% feldspar?
A) peridotite
B) rhyolite
C) andesite
D) granite
Correct Answer:
Verified
Q20: Consider Bowen's reaction series.Which mineral would you
Q21: Intermediate rocks like andesite and diorite _.
A)are
Q22: The classification and nomenclature of igneous rocks
Q23: Which igneous rock or magma has the
Q24: Changing the composition of magma by incorporating
Q26: Felsic rocks have silica contents of _
Q27: The most abundant elements in common crustal
Q28: The mechanism of selectively removing the minerals
Q29: Which of the following igneous rocks is
Q30: Felsic rocks like granite _.
A)are major constituents
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