The significant coal seams have been found in the rocks of the Damuda Group of Lower Gondwana age. Coal seams are found within the rocks of two formations, viz. the Lower or Barakar Coal Measures and the Upper or Raniganj Coal Measures. Geographically the rocks of the Barakar Formation are more … [Read more...]
Uranium in India
Uranium Uranium may occur as primary vein deposits in igneous and metamorphic rocks or as ‘flat lying deposits’ in sedimentary rocks. Primary uranium minerals are converted into secondary minerals in the surface oxidation zone to become hexavalent. In this form uranium is easily soluble in water … [Read more...]
Information on Raniganj Coalfield
The Raniganj coalfield, located in West Bengal, is situated at a distance of 125 km from Calcutta, the total area being about 1500 sq. km. the mining towns of Raniganj and Asansol are located within this coalfield. The Lower Gondwana rocks have been well preserved in this coalfield, the total … [Read more...]
Brief note on Platinum Metal
Platinum, a very valuable and important metal, falls in the category of strategic metals. This very heavy (special grade 14 to 19) metal does neither burn in fire nor melt in acid, but can take any shape, this steel white metal is so ductile, that it can take the shape of a wire with a diameter of … [Read more...]
Location of Coal Mines in India
Location of Coal Mines in India Jharkhand leads in coal production and coal reserves in the country. The important coal fields are (i) Jharia, (ii) Giridih, (iii) North Karanpura, (iv) South Karanpura, (v) Ramgarh, (vi) Bokaro and, (vii) Daltonganj. The Jharia coalfield is the largest in … [Read more...]