Multiple Choice
The process of assimilation ____.
A) includes melting and incorporation of inclusions of country rock
B) includes the inclusion of country rock in an extrusive magma
C) occurs in all plutons
D) results in additional heating of a magma body
E) separates mafic rock from felsic rock
Correct Answer:
Verified
Correct Answer:
Verified
Q15: Some plutons are emplaced by forceful injection
Q16: Rapid cooling of magma results in a
Q17: _ are concordant, mushroom-shaped plutons.
Q18: Melting of Earth's crust yields mostly silica-rich
Q19: Basalt and gabbro are compositional equivalents, which
Q21: Andesite and _ are respectively, extrusive and
Q22: The only minerals in the continuous branch
Q23: The process of assimilation excludes any incorporation
Q24: Natural glass such as obsidian forms when
Q25: Basalt and gabbro are the rocks that