Blueschist facies indicate ____.
A)formation at high temperature and pressure
B)evidence of an ancient subduction zone
C)migmatite melting in a subduction zone
D)gneiss formation nearby
E)rock that is a very good heat conductor

Question

Quizplus · Accepted Answer

Blueschist facies are typically associated with ancient subduction zones, where high pressure and low temperature conditions caused minerals such as glaucophane and lawsonite to form.

Blueschist Facies Indicate ____