Q821
Inorganically formed sedimentary rock is
A.
Peat
B.
Lignite
C.
Gypsum
AnswerD.
Slate
Answer: Option C
Solution
Answer: Option C
Solution:
An inorganically formed sedimentary rock is Gypsum.Gypsum is a soft sulphate mineral composed of calcium sulphate dihydrate. It is a common mineral, with thick and extensive evaporate beds in association with sedimentary rocks. Deposits are known to occur in strata from as far back as the Archaean eon.