Multiple Choice
Amphibolite is a foliated metamorphic rock composed principally of hornblende and plagioclase. How does it form?
A) by contact metamorphism of quartzose sandstone cut by a granitic batholith
B) by gouging and crushing of limestone along a fault
C) by regional metamorphism of volcanic rocks such as andesite and basalt
D) by the impact of an asteroid on interbedded sandstone and shale
Correct Answer:

Verified
Correct Answer:
Verified
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