Tamil Nadu is the leading holder of country’s. resources of vermiculite, magnetite, dunite, rutile, garnet, molybdenum and ilmenite.
ontribution for the country’s mineral resources: 75% vermiculite, 55.3% lignite, 69% dunite, 52% molybdenum, 59% garnet, 30% titanium.
Important Minerals and area of occurrence:
| Mineral Resources |
Area |
| (i) Lignite (Brown coal) |
Neyveli |
| (ii) Coal |
Ramanathapuram |
| (iii) Oil and natural gas |
Cauvery Basin |
| Metallic - Minerals: |
Salem - Kanjamalai, Tiruvannamalai - Kalaryan hills |
| (i) Iron |
Servarayan hills, kollimalai and Palani hills. |
| (ii) Bauxite |
Kotagiri and Udagamandalam. |
| Non Metallic Minerals: |
|
| (i) Magnesite |
Coimbatore, harmapuri, Karur, Triunelvelo, Salem, Vellore, Trichy and Nilgiris. |
| (ii)Gypsum |
Tiruchirapalli, Tirunelveli, Thoothukudi and virudhnagar. |
| (iii) Ilmenite and rutile |
sands of Kanyakumari beach. |
| (iv) Limestone |
Coimbatore, Cuddalore, Karur, Dindigul, Madurai, kancheepuram, Namakkal, perambalur and Nagapattinam. |
In some parts of the state feldspar, quartz, copper and lead also found in less quantity.
