Which of the following is a pluton?A.LaharB.Lava flowC.PyroclastD.Dike
Question
Which of the following is a pluton?A.LaharB.Lava flowC.PyroclastD.Dike
Solution
A pluton is a body of intrusive igneous rock (called plutonic rock) that is crystallized from magma slowly cooling below the surface of the Earth. Plutons include batholiths, stocks, dikes, sills, laccoliths, lopoliths, and other igneous formations.
In the options provided:
A. Lahar - It is a violent type of mudflow or debris flow composed of a slurry of pyroclastic material, rocky debris, and water.
B. Lava flow - It is a moving outpouring of lava, which is created during a non-explosive effusive eruption.
C. Pyroclast - It is a general term for a volcanic rock fragment that has been ejected from a volcanic vent.
D. Dike - It is a type of sheet intrusion referring to any geologic body that cuts discordantly across planar wall rocks structures or bedding.
So, the answer is D. Dike.
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