Which of the following igneous rocks is composed mainly of ferromagnesian minerals with less than 20% feldspar?
A) granite
B) rhyolite
C) andesite
D) peridotite
Correct Answer:
Verified
Q65: When a rock has a two- stage
Q66: _is composed mainly of ferromagnesian minerals.
A) Andesite
B)
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A) basalt
B)
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