The grain particle in extrusive
igneous rocks are
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Explanation:
Extrusive igneous rock, also known as volcanic rock, is formed by the cooling of molten magma on the earth's surface. ... Hence such rocks are fine-grained (aphanitic) or even glassy. Basalt is the most common extrusive igneous rock and forms lava flows, lava sheets and lava plateaus.
Answered by
0
Answer:
Extrusive igneous rock, also known as volcanic rock, is formed by the cooling of molten magma on the earth's surface. ... Hence such rocks are fine-grained (aphanitic) or even glassy. Basalt is the most common extrusive igneous rock and forms lava flows, lava sheets and lava plateaus.
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