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2020-8-21  Most of these coal deposits were exploited for use as fuel and for export. However, there has been geometric decrease of coal mining and use after 1959, owing in part to the discovery of petroleum and the civil war. But, recently coal mining started at Maiganga, Gombe state. The coal is used by Ashaka Cement PLC for its power plant . The aim of this study is to evaluate the environmental and health risk of the Maiganga coal mining,

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(PDF) IMPACT OF COAL MINING ON THE

Rediscovered in 1920, the Bezerra coal deposit provided, for about 15 years, lignites that mainly supplied the Portuguese Railroad Company and the Cements Company of Leiria.

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CHARACTERIZATION OF A COAL DEPOSIT OVER PART OF

2017-11-27  Abstract: The purpose of this research work is to delineate the strike direction of a coal deposit at Tai area of Gombe, Northeastern Nigeria using a 2-D electrical resistivity method. ABEM Terrameter SAS 1000 was used for the data acquisition. Wenner-Schlumberger array protocol was employed because of its large median depth of investigation

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Electrical Resistivity Imaging of a Coal Deposit at Tai

The layer with resistivity range of about 250 Ωm to 900 Ωm is probably the host of the coal seams. It can be concluded that the occurrence of the coal seam is probably more at the Northwest of the survey area and the coal seam is suspected to have resistivity values ranging from about 250 Ωm to 900 Ωm and depth varying from 3 m to 17.2 m.

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DESIGN OF A HAULAGE WAY IN AN UNDERGROUND

2010-6-23  Coal seams also occur at Gombe in Gombe State. Mine production capacities after full rehabilitation and privatisation could attain the following levels: Oyeama and Okpara (150,000-400,000 tonnes/year), Owukpa (2,500 tonnes/year), and Okaba (15,000-300,000 tonnes/year). Nigerian sub-bituminous coal has a high calorific value (5,000-

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Coal Deposits in Nigeria, West Africa with their

During the year 1916, the Ogbete Mine, Enugu resumed coal mining operation fully, and then other mines such as Onyeama, Iva Valley and Okpara climbing in the districts of Enugu followed suit. The outcome of coal mining in Enugu in 1916 when Ogbete Mines

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SouthGobi Resources announces Soumber coal

2011-6-3  Mineral deposit registration is a prerequisite for applying for a Mining License. SouthGobi Resources announces Soumber coal deposit officially registered with Government of Mongolia MINING

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Coal mining is causing Gombe women to suffer from

2018-1-18  The coal mining had also caused an increase in gastrointestinal diseases, unexplainable stomach ache, and typhoid and appendicitis, respiratory

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COAL DEPOSIT IN MAMU FORMATION SlideShare

2015-11-10  MINING AND MARKET Coal seams can be mined by surface/underground method. The choice of mining method is dictated by both technical and economic factors. The most important technical factors are the thickness of the coal seam, the depth of the coal

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Coal Deposits an overview ScienceDirect Topics

Most of the coal deposits in Canada are located in the provinces of Alberta and British Columbia, spread over a vast area of almost 400,000 mile 2, but only a small area is amenable to CBM production. This is the area where deep mining is done. Coal seams are generally thick (30–40 ft) and highly inclined. They occur near the boundary between

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[randpic] Environmental and Health Implications of Coal Mining 2020-8-21  Most of these coal deposits were exploited for use as fuel an

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The machine adopts the secondary vibration isolation foundation vibration, and noise, and the installation without the enormous foundation and anchor bolts. 3, according to the material layer crushed theoretical "design, product Liaoduo uniform cubic shape, more uniform wear of the moving cone surface.

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