Plutonic rocks
A) form below the surface of the ground.
B) form above the surface of the ground.
C) form by crystallization of magmas intruded into surrounding rocks.
D) A and C
E) all of the above
Correct Answer:
Verified
Q20: Most batholiths are emplaced by the process
Q21: Geologists generally agree that batholiths are emplaced
Q22: Magma that is forcefully ejected into the
Q23: A magma composed of more than 65%
Q24: The viscosity of magma is dependent on
A)
Q26: Aphanitic, phaneritic and porphyritic are textural terms
Q27: Large crystals found in a fine-grained groundmass
Q28: Natural glass such as obsidian forms when
A)
Q29: Pegmatite refers to
A) an extremely coarse texture
B)
Q30: Volcanic necks form when
A) the magma abruptly
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