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
