The igneous rock rich in cavities is ____.
Answer: Option C – Dolomite
- Dolomite is a magnesium ore with the general formula MgCO3·CaCO3
- Dolomite is a constituent of refractory bricks.
- In place of limestone, dolostone is used as an aggregate for cement and bitumen mixes and also as a flux in blast furnaces.
- Dolomite also helps neutralise acidic soil and improves soil pH.