Which prominent cuesta escarpment in Enugu State was the site where commercial coal mining in Nigeria commenced in 1916?
Answer and explanation
Correct answer: D. the Udi Hills
- Step 1: The Udi Hills form a steep westward-facing cuesta escarpment running north-south through Enugu State. Step 2. British geologists discovered sub-bituminous coal seams outcropping along the escarpment in 1909, opening the Onyeama colliery in 1916. Answer: the Udi Hills. Why not the others: Idanre Hills are in Ondo; Mandara is in Borno/Adamawa; Shebshi is in Taraba.
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