Geography • Indian GeographyMedium
The 'Chotanagpur Plateau' is primarily composed of which of the following geological formations making it rich in mineral resources?
A. Alluvial deposits
B. Ancient crystalline and metamorphic rocks✓ Correct Answer
C. Recent sedimentary sandstones
D. Active volcanic basalt flows
💡 Solution & Explanation
The Chotanagpur Plateau is primarily composed of ancient Archaean rock formations containing rich deposits of metallic minerals such as iron ore, coal, and mica. Alternative formations like alluvial deposits form river plains rather than mineral-rich plateaus, while active volcanic basalt flows form the Deccan Traps. This region is often termed the Ruhr valley of India due to its heavy concentration of mineral industries. It spreads across Jharkhand, Odisha, West Bengal, and Chhattisgarh.
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