Modern-Surface Mining When coal seams are near the surface‚ it may be economical to extract the coal using open cut (also referred to as open cast‚ open pit‚ or strip) mining methods. Open cast coal mining recovers a greater proportion of the coal deposit than underground methods‚ as more of the coal seams in the strata may be exploited. Large Open Cast mines can cover an area of many square kilometers and use very large pieces of equipment. This equipment can include the following: Draglines which
Premium Mining Coal
industries is mining. Australia has the world’s largest reserves of several mineral commodities in both minerals and energy resources. The Mining sector includes all units mainly engaged in mining‚ including the mineral exploration‚ and the provision of a wide variety of services supporting mining and mineral exploration. The discovery of the gold in New South Wales and Victoria has forced Australia into the group leader in mining countries since 1851. This essay will focus on the mining in Australia
Premium Mining Australia
20122 March 22‚ 2012 HARMS OF GOLD MINING History of gold is as old as history of humanity. Gold has always been valuable and popular. Since it hardly loses its glitter and it never gets oxidized. However‚ obtaining gold is not an easy process. People have to use cyanide or some other harmful chemicals to acquire gold. Also after this process very harmful toxic wastes are occurred. Thus gold mining has drastic effects on water‚ earth and air. Firstly‚ gold mining can has devastating effect on water
Premium Gold Chemical element California Gold Rush
mind when you think of coal mining? If you’re like me‚ coal mining means living in darkness and a cold hearted industry. Other words that come to mind are poverty and oppression. Coal mining is not a job that you dream about or get a degree for. People who are coal miners do not chose a life full of danger and repression‚ they get stuck with it. There are many dangers that come along with coal mining‚ not only for the workers‚ but for the environment. Coal mining and the coal industry have caused
Premium Coal Air pollution Coal mining
The goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content‚ and‚ since the 1880s‚ has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United States‚ United Kingdom‚ and South Africa‚ a coal mine and its structures are a colliery. In Australia‚ "colliery" generally refers to an underground coal mine. Coal mining has had many developments over the recent
Premium Coal Natural gas Fossil fuel
Arctic National Wildlife Refuge‚ or ANWR‚ is a refuge geared toward preserving national wildlife in northeastern Alaska. ANWR is about 19 million acres‚ in space‚ and contains a potential drilling spot for oil and petroleum. The potential drilling spot is a small area known as the 10-02 Area. It is only 1.5 million acres‚ or 8%‚ of ANWR‚ would even be considered for development (What is ANWR). The controversy surrounding ANWR is whether to drill or not to drill into the 10-02 area. Some people want
Premium Petroleum Natural gas Reindeer
Case study: Jaeger uses data mining to reduce losses from crime and waste Leg of lamb is the most stolen item at Iceland. Thieves also like cheese‚ bacon and coffee. With the UK in recession‚ shoplifters appear to be switching their sights from alcohol‚ electric toothbrushes and perfume to food. Tesco‚ Marks & Spencer and Iceland have all reported an increase in shoplifting since the economy began to contract in the second quarter of 2008. Tesco alone caught some 43‚000 would-be thieves in the first
Premium Data mining Theft
Mining Industry Overview Boyi Xie March 5‚ 2012 Michael Porter’s Five Forces Outline • • • • • • • Products Suppliers/Customers Industry Compe?tors Cost Revenue & profit Overall trends Other factors Products • • • • • • • • • • • Aluminum Copper Lead Zinc Gold Silver Uranium oxide Diamonds Stainless Steel Materials Iron Ore Coal Aluminum Zinc Copper Gold Iron ore Diamond Marketing & Customers
Premium Rio Tinto Group BHP Billiton Iron ore
The Arctic: Environment‚ Economic Development and Security Although many definitions are available‚ the “Arctic” is everything North of the 60th parallel of northern latitude. Canada has three territories and several tips of other provinces which total 40% of Canadian landmass that fits the definition of the Arctic. In this landmass‚ an estimated population of more than 100‚000 Canadians call it home. (The Canadian Arctic‚ 2013) This land and these people have needs and desires that are up to the
Premium Canada Government of Canada First Nations
The mining sector is made up of organisations whose primary activity is the extraction of naturally occurring mineral solids or natural resources. Examples of these types of minerals are coal‚ ores and precious stones. The mining industry also broadly covers quarrying and well operations. The sector comprises two basic activities: mine operations and mining support activities. "Mine operations" involve setting up the mine‚ quarry or well for the organization‚ or on behalf of another organization
Premium Mining Rio Tinto Group BHP Billiton