Q254
Marble is the metamorphosed form of
A.
Shale
B.
Basalt
C.
Sandstone
D.
Limestone
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.