Dynamothermal (regional)metamorphism occurs when
A) rock becomes deeply buried during continental collision and mountain building.
B) regression of the sea leads to erosion of sedimentary cover on a body of rock.
C) the upper surface of a body of rock develops a thick soil profile.
D) a pluton causes metamorphism in a small surrounding region.

Question

Quizplus · Accepted Answer

Dynamothermal metamorphism is a type of regional metamorphism that occurs when rock is deeply buried during continental collision and mountain building. This type of metamorphism typically results from high pressure and temperature conditions over a large area.

Option B is incorrect because it describes erosion rather than metamorphism, while option C describes weathering rather than metamorphism. Option D is incorrect because it describes contact metamorphism rather than regional metamorphism.

Dynamothermal (Regional)metamorphism Occurs When