Ferrous minerals contain iron, like the hematite from our Goa mines, while non-ferrous, like bauxite, do not. India's four major iron ore belts are in Odisha-Jharkhand, Durg-Bastar-Chandrapur, Bellary-Chitradurga-Chikmagalur-Tumakuru, and the Maharashtra-Goa belt. I track their export figures daily, but the data feels distant from the red earth here. My real lesson came from my son’s engineering textbook, left open on his old desk, explaining these belts while I fret that the new supermarket will sell only steel pots, not our local ore.
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