Rocks and Minerals Flashcard

Front

What type of rock is formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago?

Back

Sedimentary rock is formed from the accumulation and compaction of sediments.

Front

What is the difference between a rock and a mineral?

Back

A rock is an inconsistent mixture of minerals, while a mineral is 'pure' and made up of a precise combination of chemicals.

Front

What is a solid whose atoms, ions, or molecules are arranged in a definite, repeating pattern?

Back

A crystal.

Front

What is the term for the color of a mineral in powder form?

Back

Streak.

Front

Which physical characteristic best describes the rock phyllite?

Back

Foliated texture with microscopic mica crystals.

Front

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

Back

Igneous rock.

Front

What is the process called when rocks are broken down into smaller pieces?

Back

Weathering.

Front

What is the term for the process of sediments being compacted and cemented together?

Back

Lithification.

Front

What type of rock is formed under high pressure and temperature from existing rocks?

Back

Metamorphic rock.

Front

What is the term for the arrangement of minerals in a rock that gives it a layered appearance?

Back

Foliation.