Which of the following rocks is transformed into marble?
A
Granite
B
Limestone
C
Peat
D
Shale
Correct Answer: Limestone
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.