Rocks & Minerals Review Flashcard

Front

What are the two processes involved in the formation of metamorphic rocks?

Back

Heat and Pressure.

Front

Define a mineral.

Back

A naturally occurring, inorganic solid with a definite chemical composition and an ordered atomic arrangement.

Front

What are the two processes involved in the formation of igneous rocks?

Back

Cooling and Crystallization.

Front

What is the streak of a mineral?

Back

The color of the mineral in powdered form.

Front

What is it called when a mineral breaks apart in an irregular way with rough or jagged edges?

Back

Fracture.

Front

What is the process of breaking down rocks into smaller pieces called?

Back

Weathering.

Front

What is the process of moving sediment from one place to another?

Back

Erosion.

Front

What is the term for the process that turns sediment into sedimentary rock?

Back

Compaction and Cementation.

Front

What is the difference between cleavage and fracture in minerals?

Back

Cleavage is the tendency of a mineral to break along flat surfaces, while fracture is an irregular break.

Front

What is the Mohs scale used for?

Back

To measure the hardness of minerals.