Articles tagged: Coal Mining
<< previous page 1 next page>> written by Sarah Baltic Opal has been a mystery for centuries. No two opals look alike. The word ‘opal’ was derived from a Greek word opallos, meaning “to see changes of color”. Opal is derived as a precious gemstone which is formed from non-crystalline silica gel. written by Sarah Baltic Platinum is a material which is very rare and the cost of gold is double than gold. In igneous rocks platinum is formed and these rocks also have iron and magnesium. Along with other materials like copper and gold, Platinum is also found in thin layers. written by Sarah Baltic Gold mining consists of the processes and techniques employed in the removal of gold from the ground. Earlier gold was mined using different methods like Panning, cradling, dry blowing, shaft mining, Puddling and dredging. written by Sarah Baltic Tailings squander, Radon Gas, Environmental Pollution, Health risks, Nuclear Waste and Nuclear Weapons written by Sarah Baltic Mining, simply stated, is the extraction or removal of minerals and metals from earth. Manganese, tantalum, copper, tin, nickel, aluminum ore, iron ore, gold, silver, and diamonds are some of the items commonly mined. written by James Finch One of Canada’s leading coalbed methane geologists discusses how new technologies are making it easier to extract methane gas from coal mines, saving lives and reducing air pollution. He discusses how China is moving forward with new technologies. written by James Finch More than 15 Chinese coal miners die every day, mainly from gas explosions released when new coal tunnels are opened. A revolutionary new drilling technology from Australia may help save Chinese coal miners’ lives and also help reduce air pollution by capturing the methane before it spreads into the atmosphere. << previous page 1 next page>> |