Types of Rocks*

Front

What type of rock forms from heat and pressure?

Back

Metamorphic rock forms from heat and pressure.

Front

What do we call the group of metamorphic rocks that have visible layers or bands of minerals within them?

Back

Foliated metamorphic rocks have visible layers or bands of minerals.

Front

What is the process by which large sediments are glued together by dissolved minerals to form rock?

Back

Cementation is the process by which large sediments are glued together by dissolved minerals.

Front

What type of igneous rock forms from lava on Earth's surface?

Back

Extrusive rock forms from lava on Earth's surface.

Front

What is the texture of intrusive igneous rocks?

Back

Intrusive igneous rocks have a coarse grain texture.

Front

What type of rock is formed from the cooling and solidification of magma?

Back

Igneous rock is formed from the cooling and solidification of magma.

Front

What is the process called when sediments are pressed together under pressure?

Back

Compaction is the process when sediments are pressed together under pressure.

Front

What type of rock is formed from the accumulation of sediment?

Back

Sedimentary rock is formed from the accumulation of sediment.

Front

What is the main difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form inside the Earth, while extrusive igneous rocks form on the surface.

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.