The Baihar plateau in the Balaghat district of Madhya Pradesh is renowned for its mineral deposits. Among the options provided, the correct answer is "Bauxite". Here's a step-by-step explanation of how to arrive at this conclusion:

1. Understanding Bauxite: Bauxite is a primary ore of aluminum and is known for being one of the most common sources of aluminum globally. It occurs mostly in tropical and sub-tropical regions.
2. Geographical Context: Madhya Pradesh, specifically the Balaghat region, is known for its rich deposits of bauxite. The state's geology supports the presence of various minerals, with bauxite being prominently extracted.
3. Eliminating Other Options:
   • \(Zinc\): Although zinc mining occurs in India, Madhya Pradesh is not especially known for zinc deposits.
   • \(Iron\ ore\): Iron ore is found in various parts of India, including Madhya Pradesh, but it is not specifically known for significant deposits in the Baihar plateau.
   • \(Dolomite\): While dolomite is mined across India, the Baihar plateau is better known for its bauxite deposits rather than dolomite.
4. Conclusion: Considering the geology of the region and the information available, the most accurate mineral associated with the Baihar plateau of Balaghat is bauxite. Therefore, the correct answer is "Bauxite".

This conclusion aligns with the known geological study and resource maps of Madhya Pradesh, confirming the presence of bauxite as a notable mineral resource in the Baihar plateau.