The name of an igneous rock requires information on crystal size and mineralogy.
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Much of the area includes the Siberian Traps which is a large igneous province.
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Igneous rock is formed through the cooling and solidification of magma or lava.
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Extrusive Igneous rocks cool and solidify quicker than intrusive igneous rocks.
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The igneous plutonic intrusion is 2.5 km from north to south and is 0.8 km thick.
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Linking mantle plumes, large igneous provinces and environmental catastrophes.
From the sciencedaily.com
Ilmenite is a common accessory mineral found in metamorphic and igneous rocks.
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Rock masses of igneous origin have no sooner cooled than they begin to change.
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Intrusions of igneous rock have been quarried in the past at nearby Ercall Quarry.
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More examples
Produced under conditions involving intense heat; "igneous rock is rock formed by solidification from a molten state; especially from molten magma"; "igneous fusion is fusion by heat alone"; "pyrogenic strata"
Produced by the action of fire or intense heat; "rocks formed by igneous agents"
Fiery: like or suggestive of fire; "a fiery desert wind"; "an igneous desert atmosphere"
Image:North america rock volcanic.jpg|Volcanic rock in North America. Image:North america rock plutonic.jpg|Plutonic rock in North America.
Pertaining to, having the nature of fire; containing fire; resembling fire; as, an igneous appearance; Resulting from, or produced by, the action of great heat; with rocks, it could also mean formed from lava/magma; as, granite and basalt are igneous rocks
Any of the various volcanic rocks, solidified after the molten state, such as granite.
Rocks solidified from molten magma at or below the surface of the Earth.
A rock formed through the cooling of magma or lava. The slower the cooling, the larger the rock crystals and the harder the rock, although all igneous rocks are very hard.
(geology): A rock which forms by the deposition of magma or lava, usually as deep intrusions into rock layers but occasionally on the surface as volcanism. Granite is the commonest intrusive igneous rock. ...