Rock Types and Identification

Front

A rock that has changed due to heat or pressure is a(n) _______ rock.

Back

Metamorphic

Front

Which test is most likely used to identify a rock?

Back

Magnetism

Front

The particles that combine to give a rock its texture are known as _______.

Back

Grains

Front

Which type of rock contains the largest crystals?

Back

Pegmatite

Front

A type of rock that is smooth and shiny, called volcanic glass, is _______.

Back

Obsidian

Front

Why are igneous rocks like granite and basalt used for statues and buildings?

Back

They are very weather resistant.

Front

Which type of rock is closely tied to the process of erosion?

Back

Sedimentary

Front

What comes between deposition and cementation in sedimentary rock formation?

Back

Compaction

Front

Rocks formed from minerals precipitated from water are __________ rocks.

Back

Nonclastic sedimentary

Front

Which kind of sedimentary rock is most useful as a construction material?

Back

Limestone