Iron ore:
Types of iron ore
- Magnetite - contains 72% pure iron
- Hematite -contains 62-70% pure iron
- Limo night -contains 40- 60% pure iron.
- Siderite -contains 40-50% pure iron.
(A). Magnetite Ores:
- This type of force in India is either of igneous origin are metamorphosed Bandit magnetic silica formations probability of sedimentary type
- it occurs in Dharwar and Cuddapah system of Peninsula. (i) Karnataka: Kudremukh deposits.(ii) Tamil Nadu: Salem, Nilgiri, and Dharampuri. (iii) Andhra Pradesh: At trijunction of Adilabad, Karimnagar, and Nizamabad district and Khamman and Warangal district. (iv) Kerala: Kozhikode district
(B). Hematite ores : it also occurs in dharwar and cuddhapah system of the Peninsula.Jharkhand and Odisha Guru Masi badampahar belt.
MP and Eastern Maharashtra region: Bailadila Raoghat (Bastar district) ,Dalli Rajhara group (Durg district) Lohara Piplagaoh and Surajgarh deposits (Eastern Maharashtra)
Karnataka: Sandur range (Bellary district), Baba budan Hills (Chikmagalur district), Tumkur Shimoga and Chitra,Durg district north Kanara deposit.
Goa Ratnagiri area: Goa north (rich), Central (medium), South (poor), Ratnagiri district.
Rajasthan Bhilwara and Udaipur district.
Limonitet and siderite: Damuda series (Raniganj coalfield), garhwal (Uttaranchal) and Mirzapur district of UP and Kangra valley (H.P.)
- largest reserve Karnataka, Orissa, Chhattisgarh, Andhra Pradesh
- Largest producers Orissa, Karnataka, Chhattisgarh, Goa.
