Vidyalelo
Geography GK · Q83

Earth

Competitive Exams · Geography GK · question 83

Q83

Dolomite is a/an

A.
Sedimentary rock
Answer
B.
Plutonic rock
C.
Igneous rock
D.
Metamorphic rock

Answer: Option A

Solution

Answer: Option A
Solution:
Dolomite, also known as "dolostone" and "dolomite rock," is a sedimentary rock composed primarily of the mineral dolomite, CaMg(CO3)2. Dolomite is found in sedimentary basins worldwide. It is thought to form by the post depositional alteration of lime mud and limestone by magnesium - rich groundwater.