In what environments does high pressure/low temperature metamorphism occur?
A) near magma but at shallow levels
B) near magma but at deep levels
C) under normal conditions of burial and heating
D) in a subduction zone or accretionary prism
E) none of these

Question

Quizplus · Accepted Answer

High pressure/low temperature metamorphism typically occurs in subduction zones or accretionary prisms, where oceanic crust is forced down into the mantle, creating conditions of high pressure but relatively low temperature compared to the surrounding mantle.

In What Environments Does High Pressure/low Temperature Metamorphism Occur