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Geography GK · Q19

Lithosphere

Competitive Exams · Geography GK · question 19

Q19

Which of the following rocks is transformed into marble?

A.
Granite
B.
Limestone
Answer
C.
Peat
D.
Shale

Answer: Option B

Solution

Answer: Option B
Solution:
Limestone is transformed into marble. When limestone is subjected to the heat and pressure of metamorphism, marble, a metamorphic rock, is formed. Marble is composed of calcite or CaCO3. The calcite in the limestone will recrystallize when under the conditions of metamorphism.