How are extrusive and extrusive rocks formed
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Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth. ... Intrusive rocks have a coarse grained texture. Extrusive Igneous Rocks: Extrusive, or volcanic, igneous rock is produced when magma exits and cools above (or very near) the Earth's surface.
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answering for intrusive and extrusive igneous rocks
Explanation:
intrusive-
formed when magma from volcanos solidify within earth's surfase . they have a fine texture and coll down slowly . Ex - graphite
extrusive -
formed when volcanos erupt and the lava expeled solidifies to form rocks . the cool down drastically and have a fine texture . Ex - basalt
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