Metamorphism and Geologic Structures

Metamorphism caused by tectonic plate movement that takes place over a large area is called?

• Regional metamorphism

• Contact metamorphism

• Lithostatic pressure

• Compaction & cementation

Tags

NGSS.HS-ESS1-5

Protolith means:

• parent rock

• resulting rock

• ancient rock

• melted rock

Foliation is caused by?

• Differential stress

• Melting

• Lithostatic pressure

• Heat

During metamorphism, recrystallizing minerals grow at a rate of:

• 1 millimeter per million years

• 1 millimeter per year

• 1 millimeter per thousand years

• 1 meter per million years

Limestone which is made predominantly of the mineral calcite recrystallizes during metamorphism to become marble. Which of the following is the protolith in this process?

• Limestone

• Calcite

• Marble

• Lithostatic pressure

Tags

NGSS.MS-ESS2-1

Metamorphism of rocks that are heated by intruding magma would be what type?

• Regional

• Contact

• Lithostatic

• Differential

Which of the following is true about differential stress? Choose all that apply.

• It causes foliated texture

• It is unequal

• It is caused by deep burial

• It occurs during regional metamorphism

The presence of water plays a role in metamorphism

• True

• False

Tags

NGSS.HS-ESS2-5

Differential stress produces rock textures with visible parallel alignment.

• True

• False

When subjected to differential stress minerals such as biotite will realign how?

• Perpendicular to the direction of stress

• Parallel to the direction of stress

• Randomly