Q168
The Gneiss is a coarse grained:
A.
Volcanic Rock
B.
Igneous Rock
C.
Metamorphic Rock
AnswerD.
Sedimentary Rock
Answer: Option C
Solution
Answer: Option C
Solution:
Gneiss is a common and widely distributed type of metamorphic rock. Gneiss is formed by high temperature and high-pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks. Orthogneiss is gneiss derived from igneous rock (such as granite).