Exam 10: Metamorphism: New Rock From Old

Burial metamorphism occurs after diagenesis and results from pressures associated with sedimentary basins.

_____are formed under low temperatures and low pressures.

_____ is the metamorphic process by which the chemical composition of the rock is changed by the addition or removal of fluids.

The mineralogical,structural,textural,and chemical changes that occur below the area of sedimentation and diagenesis are known as _____.

The temperature boundary between diagenesis and metamorphism is about _____.

An igneous intrusion is commonly surrounded by a zone,or _____,of contact metamorphism.

A nonfoliated metamorphic rock derived from sandstone is known as _____.

According to the figure below,which mineral is exclusive to high grade metamorphism?

The largest scale of metamorphism results from contact metamorphism.

_____ metamorphic rocks are changed under temperatures of less than 400°C and pressures of less than 400MPa.

Which of the following metamorphic rocks form under high stress and low to moderate temperatures in subduction zones?

The banded rock in the figure below is known as _____.

Meteorite impact can lead to metamorphism.

Explain the upper temperature limit of metamorphism.

What are the factors that control metamorphism?

In the figure below,at a depth of approximately 5km the pressures are 200 MPa.

Metamorphic rocks can occur from sedimentary and igneous rocks.

_____ is a foliation in low-grade metamorphic rocks that causes them to break into flat,platy fragments.

When metamorphic rocks are composed of one type of mineral,they are referred to as _____.

Metasomatism refers to mechanical alterations of a rock.