Types of Rocks

Front

What is the texture of Extrusive Rocks?

Back

Fine grained texture.

Front

What type of rock forms from the cooling of molten rock (magma or lava) at or below the Earth's surface?

Back

Igneous.

Front

How are the grains arranged in Foliated Rocks?

Back

In parallel layers or bands.

Front

How are Organic Rocks formed?

Back

When the remains of plants or organisms are deposited in thick layers.

Front

How are Extrusive Rocks formed?

Back

When molten rock cools rapidly.

Front

What are the three main types of rocks?

Back

Igneous, Sedimentary, and Metamorphic.

Front

What is the process of rock formation from magma called?

Back

Igneous rock formation.

Front

What type of rock is formed from the compression of sediments?

Back

Sedimentary rock.

Front

What is the main characteristic of Metamorphic Rocks?

Back

They are formed from existing rocks that are changed by heat and pressure.

Front

What is an example of an Igneous Rock?

Back

Basalt.