What is Coal? Coal is a fossil fuel, which is by definition a fuel that derives from fossils of plants or animals that died long ago. Some people also use the word 'coal' to refer to charred wood that has finished burning, or is smoldering. Coal comes in the form of rock like lumps. It is used … [Read more...]
Opencast Mining in India
Opencast Mining or quarrying by manual methods is adopted, where large investment is not warranted, where mechanization is likely to prove inefficient, either due to large size of pits or to the shape of the pits, and their location, where mineralization is erratic and where selective … [Read more...]
North East Coal Fields in India
North East Coal Fields in India: Workable coal fields seams occur in Assam and Meghalaya at three separate geological horizons, two of which belong to the Lower Eocene of Meghalaya and one in Oligocene of upper Assam. The rocks concerned belong to the Jaintia Formation in the first two regions and … [Read more...]
Emerald Mines in India
Emerald in India Emerald, the most valuable of all precious stones, is a transparent variety of beryl (3 BeO.Al2O3.6SiO2) with the well-known emerald-green colour. Other gemstone varieties of beryl are aquamarine, the sea-green and bluish stones; yellow beryl or heliodor, the yellow variety; … [Read more...]
Oil and Gas Pipelines in India
The Oil and Natural Gas Commission and the Indian Oil Corporation jointly own and operate the following pipelines for the transport of gas, crude oil and petroleum products: Ankleshwar: Koyali (oil line) Ankleshwar: Uttaran (gas line) Ankleshar: Baroda (gas line) Cambay (Khambhat): … [Read more...]
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