GATE 2026 MN – Question 19

Mining Geology, Mine Development and Surveying · Mining Geology · 1 mark · Multiple choice

What is the igneous intrusion P, which follows the coal seam’s bedding plane?

Dyke
Washout
Sill
Seam split

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Show answer and explanation

Correct answer: (C) Sill

Explanation

A sill is a concordant igneous intrusion lying along existing strata, matching the indicated bedding-parallel feature. A dyke cuts across bedding; a washout and seam split describe different geological disruptions. Therefore C.

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