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The shape arch or dome is shown by which type of concordant body?

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The shape arch or dome is shown by which type of concordant body?

(a) Sills

(b) Lopolith

(c) Laccolith

(d) Phacolith

The question was posed to me during an interview for a job.

I want to ask this question from Forms of Igneous Rocks topic in section The Study of Rocks of Engineering Geology

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Correct option is (c) Laccolith

For explanation I would say: Laccoliths are concordant intrusions due to which the invaded strata have been arched up or deformed into a dome. The igneous mass itself has a flat or concave base and a dome-shaped top.

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