Ch 5 Igneous Rocks

Front

Igneous Rocks

Back

Rocks formed through the cooling and solidification of magma or lava.

Front

Lava

Back

Molten rock expelled by a volcano during an eruption.

Front

Extrusive

Back

Igneous rocks formed from lava that solidifies on the Earth's surface.

Front

Intrusive

Back

Igneous rocks formed from magma that solidifies beneath the Earth's surface.

Front

Partial Melting

Back

The process by which only a portion of a solid is melted.

Front

Fractional Crystallization

Back

The process of crystallizing and removing different minerals from cooling magma.

Front

Geothermal Energy

Back

Energy derived from the heat in the interior of the Earth.

Front

Felsic

Back

Igneous rocks that are rich in feldspar and quartz.

Front

Mafic

Back

Igneous rocks that are rich in magnesium and iron.

Front

Ultramafic Rocks

Back

Rocks with very low silica content and rich in minerals such as olivine and pyroxene.