Multiple Choice
Three processes contribute to the formation of every igneous rock: ________.
A) assimilation, crystallization, and dyke injection
B) extrusion, intrusion, and consolidation
C) partial melting, buoyant rise, and crystallization
D) volcanism, plutonism, and magmatic differentiation
Correct Answer:
Verified
Correct Answer:
Verified
Q48: What is/are thought to be the main
Q49: _ is composed mainly of ferromagnesian minerals.<br>A)Peridotite<br>B)Rhyolite<br>C)Andesite<br>D)Granite
Q50: The aphanitic equivalent of granite is<br>A)rhyolite<br>B)andesite<br>C)basalt<br>D)komatiite
Q51: What phenocryst minerals would you expect to
Q52: Which of the following igneous rocks usually
Q54: Match the description with the appropriate texture.<br>-_
Q55: Magmatic differentiation is the term geologists use
Q56: Tabular sills and lava flows often have
Q57: What igneous texture refers to rocks composed
Q58: How much silica do felsic igneous rocks