Which of the following is not an Igneous Rock?
A
Dolomite
B
Granite
C
Basalt
D
Gabbro
Correct Answer: Dolomite
Igneous rock (also called magmatic rock) is formed through the cooling and solidification of magma or lava. Dolomite is a sedimentary rock composed primarily of the mineral dolomite, CaMg(CO3)2.