Q.

Dolomite is a/an –

A. Sedimentary rock
B. Plutonic rock
C. Igneous rock
D. Metamorphic rock
Answer» A. Sedimentary rock
Explanation: Dolomite a sedimentary rock resembling limestone but consisting principally of the mineral dolomite. It is an important source of magnesium and its compounds, and is used as a building material and refractory. Dolomite is used as an ornamental stone, a concrete aggregate, a source of magnesium oxide and in the Pidgeon process for the production of magnesium. It is an important petroleum reservoir rock, and serves as the host rock for large strata bound Mississippi Valley-Type (MVT) ore deposits of base metals such as lead, zinc, and copper.
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