Mineral Resources of Tamil Nadu
Tamil Nadu is the leading holder of country’s resources of vermiculite, magnetite, dunite, rutile, garnet, molybdenum and ilmenite. The State accounts for the country’s 81% lignite,75% vermiculite, 69% dunite, 59% garnet, 52% molybdenum and 30% titanium minerals resources. Important minerals that are found to occur in the State are as follows:
- Bauxitein Dindigul, Namakkal, Nilgiris & Salem districts;
- Dunite/pyroxenite in Salem district;
- Felsparin Coimbatore, Dindigul, Erode, Kanchipuram, Karur, Namakkal, Salem & Tiruchirapalli districts;
- Fireclayin Cuddalore, Kanchipuram, Perambalur, Pudukottai, Sivaganga, Thiruvallur, Tiruchirapalli, Vellore & Villupuram districts;
- Garnetin Ramanathapuram, Tiruchirapalli, Tiruvarur, Kanyakumari, Thanjavur & Tirunelveli districts;
- Granitein Dharmapuri, Erode, Kanchipuram, Madurai, Salem, Thiruvannamalai, Tiruchirapalli, Tirunelveli, Vellore & Villupuram districts;
- Graphitein Madurai, Ramnathapuram, Shivganga & Vellore districts;
- Gypsumin Coimbatore, Perambalur, Ramnathapuram, Tiruchirapalli, Tirunelveli, Thoothukudi & Virudhunagar districts. Similarly, occurrences of minerals, such as
- Lignitedeposits are located in Cuddalore Ariyalur, Thanjavur, Thiruvarur, Nagapattinam & Ramanathapuram districts;
- Limestonein Coimbatore, Cuddalore, Dindigul, Kanchipuram, Karur, Madurai, Nagapattinam, Namakkal, Perambalur, Ramnathapuram, Salem, Thiruvallur, Tiruchirapalli, Tirunelveli, Vellore, Villupuram & Virudhunagar districts;
- Magnesitein Coimbatore, Dharmapuri, Karur, Namakkal, Nilgiri, Salem, Tiruchirapalli, Tirunelveli & Vellore districts;
- Quartz/silicasand in Chennai, Coimbatore, Cuddalore, Dharmapuri, Dindigul, Erode, Kanchipuram, Karur, Madurai, Namakkal, Periyar, Perambalur, Salem, Thiruvallur, Thiruvarur, Nagapattinam, Tiruchirapalli, Villupuram, Virudhunagar & Vellore districts;
- Talc/ steatite/soapstonein Coimbatore, Salem, Tiruchirapalli & Vellore districts;
- Titanium minerals in Kanyakumari, Nagapattinam, Ramanathapuram, Thiruvallur, Tirunelveli & Thoothukudi districts;
- Vermiculitein Dharmapuri, Tiruchirapalli & Vellore districts;
- Zirconin Kanyakumari district have been established. Other minerals that occur in the State are apatite in Dharmapuri & Vellore districts;
- Barytesin Erode, Madurai, Perambalur, Tirunelveli & Vellore districts;
- Bentonitein Chengai-Anna district;
- Calcitein Salem district;
- China Clay in Cuddalore, Dharampuri, Kanchipuram, Nilgiris, Sivaganga, Thiruvallur, Tiruvannamalai, Tiruchirapalli & Villupuram districts;
- Chromitein Coimbatore & Salem districts;
- Copper, lead-zinc and silverin Villupuram district;
- Corundum and goldin Dharmapuri district;
- Dolomitein Salem & Tirunelveli districts;
- Emeraldin Coimbatore district;
- Iron ore (magnetite)in Dharmapuri, Erode, Nilgiris, Salem, Thiruvannamalai, Tiruchirapalli & Villupuram districts;
- Kyanitein Kanyakumari & Tirunelveli districts;
- Molybdenumin Dharmapuri, Dindigul & Vellore districts;
- Pyrite in Vellore district;
- Sillimanite in Kanyakumari, Karur & Tirunelveli districts;
- Tungstenin Madurai & Dindigul districts;
- Wollastonite in Dharmapuri & Tirunelveli districts. Districtwise reserves/resources of lignite are provided
- Petroleum and natural gasdeposits are located in Cauvery basin
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