Okpara Coal Block • I-MINE

2021-7-31  Coal quality averages 27.08MJ/kh (6,471Kcal/Kg or 11,660 Btu), 9.64% ash and 0.95% sulphur on as-received basis. Work has only been carried out on the south-eastern

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the history of onyeama coal mine in enugu

Coal mines (Onyeama and Okpara) in Enugu in Enuga, Nigeria. Coal mines (Onyeama and Okpara) in Enugu is a historical ancient sight for all tourists that

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Coal mining in Enugu district, Nigeria EJAtlas

2021-1-8  Coal generated lots of revenue for Nigeria between the years 1916 and 1970 when it was one of Nigeria’s major revenue earners. In the south eastern part of the

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Heavy Metal Geochemistry of Acid Mine Drainage in

This paper is aimed at evaluating the chemistry of the Onyeama Coal Mine and Ekulu River with respect to their heavy metal content. Onyeama Coal Mine is one

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Petrology, Rank And Geochemical Evaluation Of ...

2013-10-15  The coal deposits in the Lower Benue Trough occur mainly in the Enugu province where four mines: Iva valley, Onyeama, Okpara and Ribadu (Fig. 1) are being worked

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(PDF) Petrology, Rank And Geochemical Evaluation Of ...

province where four mines: Iva valley, Onyeama, Okpara and Rib adu (Fig. 1) ar e being worked by the Nigerian Coal Corporation. Other coal deposits that are b

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Brief History of ‘Coal Mine’ in Enugu – How Nigeria News

Mining of coal in Enugu really started in 1916 with the Ogbete mine and later other mines like the Ribadu, Onyeama and Okpara mines were opened up. During

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Coal Deposits in Nigeria, West Africa with their Locations ...

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

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COAL DEPOSIT IN MAMU FORMATION... - SlideShare

2015-11-10  NCC has operated two underground mines, Okpara and Onyeama, and two surface mines, Orukpa and Okaba, located on the eastern edge of the Anambra Coal Basin.

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Palynological and Palaeoenvironmental Study of the

geographically and found throughout much of the Basin outcrop mainly in Enugu area where four mines: Iva Post-Devonian geologic column. Valley, Onyeama, Okpara and

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Coal Deposits in Nigeria, West Africa with their Locations ...

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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Journal of Environmental Science and Pollution Research

2018-3-18  Okpara coal mines and Ekulu River draining the Onyeama coal mine. A total of twelve water samples were collected across the Enugu coal mines: four surface water samples from Onyeama coal mine, three samples from Ribadu coal mine, Ekulu River at confluence of Onyeama and Ribadu coal mines and three water samples from Okpara coal mine.

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Palynological and Palaeoenvironmental Study of the

geographically and found throughout much of the Basin outcrop mainly in Enugu area where four mines: Iva Post-Devonian geologic column. Valley, Onyeama, Okpara and Ribadu were worked by the The Anambra Basin which corresponds to the Nigerian Coal Corporation. Other mines that were recently

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COAL DEPOSIT IN MAMU FORMATION... - SlideShare

2015-11-10  NCC has operated two underground mines, Okpara and Onyeama, and two surface mines, Orukpa and Okaba, located on the eastern edge of the Anambra Coal Basin. Between 1950 and 1959, coal production in the Enugu mines increased

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Technological Properties and Geochemical Evaluation of ...

2014-4-26  The coal samples from the Onyeama, Okpara, Ezimo and Okaba mines in general are dominated by huminite with lesser contents of inertinite and liptinite (TABLE 1). These coals are duroclaritic in nature (Fig. 3). The macerals are not uniformly distributed and their proportions vary within individual seams. Samples from

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Effects of coal mining on the water resources in the ...

2017-8-24  Effects of coal mining on the water resources in the communities ... include Udi Mines, Onyeama Mines, Okpara Mines, Iva Vally Minesand RibaduMines.Coalminingactivitiesgave riseto alotofminewaste whicharedumpedinlandfillsand ... a geologic map of the area was produced (Fig. 4).

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INTEGRATED STUDY OF ACID MINE DRAINAGE AND ITS ...

2014-12-30  Onyeama mine, (b) Coal seam within Mamu in Onyeama mine, (c) Flake of pyrite mineral within the sandstone beds adjacent to the coal seam in Mamu, (d) Herring-bone cross bed in Ajali Sandstone at Onyeama mine, (e) Normal fault cutting across Enugu Shale in Onyeama mine, (f) Fractured coal seam in Mamu Formation, (g) Drainage of AMD from

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(PDF) Petrology, Rank And Geochemical Evaluation Of ...

Results Organic petrographyThe coal samples from the Onyeama, Okpara, Ezimo and Okaba mines in general are dominated by huminite with lesser contents of inertinite and liptinite (Table 1) (Table 1). Table 3 shows the selected samples for Rock-Eval 6 and organic petrography S 1 ranges from 0.26 in ONYE to 3.52mgHC/g rock in OKAB while S 2 ranges ...

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Okpara Coal Block • I-MINE

2021-7-31  Coal quality averages 27.08MJ/kh (6,471Kcal/Kg or 11,660 Btu), 9.64% ash and 0.95% sulphur on as-received basis. Work has only been carried out on the south-eastern flank of the deposit, measuring approx. 75,800 hectares. Mining activities were suspended. Resource Estimation. Over 100 million tonnes- inferred Data Available. Geological maps.

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Amansiodo Coal Block • I-MINE

2021-8-29  Coal occurs within the Cretaceous Mamu Formation at the base of the Enugu Escarpment. Exploration. Mapping and drilling 3 core holes carried out with established depth to coal seam at 563m. Underground development undertaken with mine subsequently abandoned. Coal is bituminous; Resource Estimation. Over 128 million tonnes- inferred Data Available

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Okpara Coal Block • I-MINE

2021-7-31  Coal quality averages 27.08MJ/kh (6,471Kcal/Kg or 11,660 Btu), 9.64% ash and 0.95% sulphur on as-received basis. Work has only been carried out on the south-eastern flank of the deposit, measuring approx. 75,800 hectares. Mining activities were suspended. Resource Estimation. Over 100 million tonnes- inferred Data Available. Geological maps.

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Effects of coal mining on the water resources in the ...

2017-8-24  Effects of coal mining on the water resources in the communities ... include Udi Mines, Onyeama Mines, Okpara Mines, Iva Vally Minesand RibaduMines.Coalminingactivitiesgave riseto alotofminewaste whicharedumpedinlandfillsand ... a geologic map of the area was produced (Fig. 4).

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(PDF) Petrology, Rank And Geochemical Evaluation Of ...

Results Organic petrographyThe coal samples from the Onyeama, Okpara, Ezimo and Okaba mines in general are dominated by huminite with lesser contents of inertinite and liptinite (Table 1) (Table 1). Table 3 shows the selected samples for Rock-Eval 6 and organic petrography S 1 ranges from 0.26 in ONYE to 3.52mgHC/g rock in OKAB while S 2 ranges ...

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INTEGRATED STUDY OF ACID MINE DRAINAGE AND ITS ...

2014-12-30  Onyeama mine, (b) Coal seam within Mamu in Onyeama mine, (c) Flake of pyrite mineral within the sandstone beds adjacent to the coal seam in Mamu, (d) Herring-bone cross bed in Ajali Sandstone at Onyeama mine, (e) Normal fault cutting across Enugu Shale in Onyeama mine, (f) Fractured coal seam in Mamu Formation, (g) Drainage of AMD from

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ENVIRONMENTAL IMPACT ASSESSMENT OF COAL

2014-5-14  The pH values for Onyeama, Okpara, abandoned Iva valley coal mine and Ogbette coal preparatory mine are 2.8, 2.30, 6.10 and 6.30 respectively. The low pH values and corrosive mine waste water greatly increase leaching actions and total dissolved solids (TDS) content of the water. Augmentation of water supply from coal mines water after ...

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ICYMI: SPECIAL REPORT... Privatization ... - Ripples Nigeria

2020-5-27  Investigative reporter, PATRICK EGWU, visited the Enugu coal mines, ... the Onyeama, Okpara and Owukpa coal mines. ... with the mandate to draw a road map for the immediate coal mining

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Effects of coal mining on the water resources in the ...

2016-5-7  A lot of coal mining activities have been done in Enugu area of Nigeria. Some of the coal mines established in Enugu include Udi Mines, Onyeama Mines, Okpara Mines, Iva Vally Mines and Ribadu Mines. Coal mining activities gave rise to a lot of mine

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Occurrence and distribution of metals and porphyrins in ...

2007-12-1  The M absorption band is seen in the Okpara coal porphyrin at 265 nm. The L absorption bands are seen at 300, 295, 305, and 310 nm for Okpara, Onyeama, Ogboyoga, and Okaba coals respectively, while the N absorption bands are observed at 355 nm for Onyeama, Ogboyoga, and Okaba coal porphyrins and at 350 nm for Okpara coal porphyrin.

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Palynological and Palaeoenvironmental Study of the

geographically and found throughout much of the Basin outcrop mainly in Enugu area where four mines: Iva Post-Devonian geologic column. Valley, Onyeama, Okpara and Ribadu were worked by the The Anambra Basin which corresponds to the Nigerian Coal Corporation. Other mines that were recently

Get Price

Brief History of ‘Coal Mine’ in Enugu – How Nigeria News

Mining of coal in Enugu really started in 1916 with the Ogbete mine and later other mines like the Ribadu, Onyeama and Okpara mines were opened up. During the civil war there was establishment of coal mine at Odagbor better known as Okaba coal that became the Nigeria Coal Corporation while the one in Enugu was known as Biafra Coal

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