Igneous rocks are formed from molten rock material. Which one of the following is not an igneous rock?
A. Granite
B. Quartz
C. Feldspar
D. Slate
Answer: Option D
Solution (By Examveda Team)
Slate is not an igneous rock. Slate is a metamorphic rock created by the compression of shale or mudstone under relatively low temperatures and pressures caused by the building up of sedimentary layers above it.This Question Belongs to Geography >> Lithosphere
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