Q22
Which of the following are correctly matched? 1. Gneiss : Metamorphic 2. Granite : Igneous 3. Sandstone : Sedimentary
A.
1 only
B.
1 and 2
C.
2 and 3
D.
1, 2 and 3
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
All the three are correctly matched. Gneiss : Metamorphic. Gneiss is formed by high temperature and high-pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks. Granite : Igneous. Granite is a light-colored igneous rock with grains large enough to be visible with the unaided eye. Sandstone : Sedimentary. Sandstone is a clastic sedimentary rock composed mainly of sand-sized mineral particles or rock fragments.