A type of rock that contains iron in substantial quantities.
लोहे की श्रेष्ठ मात्रा वाला चट्टान
English Usage: The ferruginous rock was rich in iron ore, making it valuable for mining.
Hindi Usage: लोहे की श्रेष्ठ मात्रा वाला चट्टान खनन के लिए मूल्यवान था।