Geology Test Igneous Rocks

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The texture of a volcanic glass can be described as

Amorphous

The extrusive equivalent of a gabbro rock is?

Basalt

Igneous rocks are classified based on?

Composition and texture

Igneous rocks form from which of these processes?

Crystallization of a magma or lava

Granite is an aphanitic rock that form from lava.

False

Which rock consists of mafic minerals, and has a phaneritic texture?

Gabbro

The igneous rock shown on the image below is

Granite

When igneous rocks form from lava during a volcanic eruption, these rocks are called extrusive igneous rocks.

True


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