Iron Ore
Iron Ore
Section titled “Iron Ore”2020-04-29 01:04:00
- India is the 4th highest Iron ore Producer in the world and has the 5th largest reserves.
Types of Iron Ores
Section titled “Types of Iron Ores”Magnetite(Fe3O4)
Section titled “Magnetite(Fe3O4)”- Has very high Iron content upto 72% and is best quality of ore colour is black.
- Ore needs to be beneficiated before feasible amounts of it can be recovered.
- Magnetite with less iron content 25%-35% is called Taconite.
- Naturally magnetised content is called lodestone.
- In India it is found in Dharwad and Cuddapah systems.
- Karnataka 73%, Andhra Pradesh 14%, Rajasthan 5% TN 4.9%
Haematite (Fe2O3)
Section titled “Haematite (Fe2O3)”- It is red in colour and has content upto ==60-70%==, sought after industrial ore.
- It is most abundantly available in India.
- Odisha 33% , Jharkhand 26%, Chhattisgarh 18%
Limonite
Section titled “Limonite”- Yellowish in colour with 40 to 60 per cent iron content
- mines are open cast ; hence mining is easy and cheap
- Found in Damuda series in Raniganj coal field, Garhwal in Uttarakhand, Mirzapur in Uttar Pradesh and Kangra valley of Himachal Pradesh.
Siderite (FeCO3)
Section titled “Siderite (FeCO3)”- less than 40 per cent iron content.
- Mining this is economically unviable.
- does NOT contain ==sulphur or phosphorus==.
- it is self-fluxing due to the presence of lime.
Location
Section titled “Location”- Odisha : BarabilKoira valley
- Chhattisgarh: Bailadila mine largest mechanised mine in Asia, transports to Vizag - Japan, DalliRajhara range.
- Jharkhand : First mine started in Singhbhum, Magnetite in Daltenganj, Palamu district, Noamandi mine in Singhbhum richest.
- Karnataka : Kemmangundi in Bababudan hills of Chikmagalur district, Sandur and Hospet in Bellary.