Correct Option (d):
Chhattisgarh is a state significantly rich in mineral resources, and all four minerals listed are found there naturally.
- Bauxite: Significant deposits are found in districts such as Korba, Surguja, and Kawardha.
- Dolomite: This mineral is present in regions including Raigarh, Bastar, and Bilaspur districts.
- Iron ore: The Bailadila range in the Dantewada district is renowned for its high-grade iron ore deposits, making it one of the richest in India.
- Tin: Chhattisgarh holds the distinction of being the only state in India with commercially viable deposits of tin ore (cassiterite), primarily located in the Dantewada and Bastar regions.
The presence of these diverse minerals contributes significantly to the state's economy and India's overall mineral production.
Incorrect Options:
Options (a), (b), and (c) are incorrect because they do not include all the minerals known to be naturally present in Chhattisgarh. As established, Chhattisgarh possesses significant reserves of bauxite, dolomite, iron ore, and tin, making option (d) the comprehensive and correct choice.