classify igneous rocks based on their origin and give examples of each
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Explanation:
Igneous rocks may be divided into two categories. Intrusive or plutonic rocks crystallize from magma beneath the earth's surface. Extrusive or volcanic rocks crystallize from lava at the earth's surface.
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Answer:
Igneous texture are used by geologist in determining the mode of origin of igneous rocks and are used in rock classification . There are six main type of textures: phaneritic, aphanitic, porphyritic,glassy, pyroclastic, and pegmatitic .
Example of aphanitic igneous rocks include basalt,andesite, and rhyolite .
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