3. Why are intrusive igneous rocks usually coarse grained please give me a answer right and I mark as brilliant
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Intrusive or plutonic rocks crystallize from magma beneath the earth's surface. ... The texture of an igneous rock (fine-grained vs coarse-grained) is dependent on the rate of cooling of the melt: slow cooling allows large crystals to form, fast cooling yields small crystals.
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1
Answer:
Intrusive or plutonic rocks crystallize from magma beneath the earth's surface. ... The texture of an igneous rock (fine-grained vs coarse-grained) is dependent on the rate of cooling of the melt: slow cooling allows large crystals to form, fast cooling yields small crystals.
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