Rock Cycle and Types of Rocks Flashcard Mod

Front

What are the two types of igneous rocks?

Back

Extrusive and Intrusive.

Front

What is foliation in rocks?

Back

An arrangement of minerals in flat or wavy parallel bands.

Front

Can each rock type follow only one pathway of the rock cycle?

Back

False.

Front

What type of rock is created by extreme heat and pressure?

Back

Metamorphic rock.

Front

What type of rock is formed by smaller pieces of rock settling at the bottom of a lake?

Back

Sedimentary rock.

Front

What is the rock cycle?

Back

The continuous process of rock formation, breakdown, and reformation.

Front

What are sedimentary rocks primarily made of?

Back

Particles of sand, silt, clay, and organic materials.

Front

What is the difference between extrusive and intrusive igneous rocks?

Back

Extrusive rocks form from lava that cools quickly on the Earth's surface, while intrusive rocks form from magma that cools slowly beneath the surface.

Front

What is metamorphism?

Back

The process by which existing rocks are changed into metamorphic rocks due to heat, pressure, or chemically active fluids.

Front

What are the three main types of rocks?

Back

Igneous, Sedimentary, and Metamorphic.