Metamorphic Rocks-ESRT (CMS)

Front

How are metamorphic rocks formed?

Back

By adding heat and/or pressure to existing rocks.

Front

What metamorphic rock shows mineral alignment, fine to medium grain size and platy mica visible crystals?

Back

Schist.

Front

Name the 6 minerals that make up most foliated metamorphic rocks.

Back

Mica, Quartz, Feldspar, Garnet, Pyroxene, and Amphibole.

Front

The metamorphism of limestone or dolostone will produce which non-foliated metamorphic rock?

Back

Marble.

Front

Define Foliated Metamorphic rock.

Back

Consisting of thin sheets or laminae (exhibit layers or stripes).

Front

What is the main characteristic of metamorphic rocks?

Back

They are formed from existing rocks through heat and pressure.

Front

What is the difference between foliated and non-foliated metamorphic rocks?

Back

Foliated rocks have a layered or banded appearance, while non-foliated rocks do not.

Front

Give an example of a non-foliated metamorphic rock.

Back

Marble.

Front

What type of metamorphism occurs at high temperatures and pressures over large areas?

Back

Regional metamorphism.

Front

What is contact metamorphism?

Back

Metamorphism that occurs when rocks are heated by nearby molten magma.