Q. Where is Apatite rock phosphate mainly found in Jharkhand?
Answer: West Singhbhum
Notes: West Singhbhum district in Jharkhand contains major apatite rock phosphate deposits such as Karanja-Bhonda-Baikhomon and Kesbamandu. Jharkhand holds about 34.5% of India's total rock phosphate reserves. East Singhbhum has limited apatite occurrences at places like Mosaboni Mine. Gumla district is known primarily for bauxite deposits. Geological surveys identify West Singhbhum as the main source of apatite in Jharkhand.