The mechanism of selectively removing the minerals which melt at the lowest temperature is_____
A) magma mixing
B) assimilation
C) magmatic differentiation
D) partial melting
Correct Answer:
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Q45: Magmas rise to shallower depths and intrude
Q46: The behaviour and processes that govern the
Q47: The aphanitic equivalent of granite is
A) komatiite
B)
Q48: Explosive volcanic eruptions occur_ .
A) when crystallization
Q49: What is the rock colour (total %
Q51: What is the most common extrusive rock
Q52: Which of the following high silica igneous
Q53: Light coloured aphanitic rocks_ .
A) consist predominantly
Q54: What are vesicles?
A) open voids in an
Q55: The most common non- ferromagnesian silicate minerals
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