Marble is the metamorphosed form of

A. Shale

B. Basalt

C. Sandstone

D. Limestone

Answer: Option D

Solution(By Examveda Team)

Marble is a metamorphic rock formed when limestone is exposed to high temperatures and pressures. Marble forms under such conditions because the calcite forming the limestone recrystallises forming a denser rock consisting of roughly equigranular calcite crystals.