Which one of the following statements is NOT correct?
(A) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks
(B) Sedimentary rocks are distinguished from other types of rocks by the presence of distinct layers
(C) Granite has large crystals of quartz, feldspar and mica in it
(D) A metamorphic rock is softer and less compact than its original type
Answer: (D) A metamorphic rock is softer and less compact than its original type
