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  • A toxic crisis in America's coal country - BBC News

    image caption Waste rock from a mountaintop removal mine seen dumped in Wyoming County When asked about cancer rates, Casey reels off a list of people living nearby who have been diagnosed in

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  • Death threats, mining waste, and Covid-19 - London Mining

    Mar 30, 2020· Many who, like Fuerza de Mujeres Wayuu, are affected by the Cerrejon coal mine (owned by London-listed Anglo American, BHP and Glencore), are in dire need of food at present. Mining has already destroyed livelihoods and wrecked food security: now people cannot make the necessary journeys to find the food they desperately need.

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  • Cerrejón - Wikipedia

    Cerrejón is a large open-pit coal mine in Colombia. It is located in the southeast of the department of La Guajira, close to the border with Venezuela.The coal mine is situated in the northeastern part of the Cesar-Ranchería Basin, the basin of the Ranchería River, between the Sierra Nevada de Santa Marta in the west and the Serranía del Perijá to the southeast.

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  • The Dirty Story Behind Local Energy

    Sep 27, 2007· The Cerrejón coal mine has been operating in the region since the 1980s, extracting more than two million tons of coal a month. All of the coal is exported, 20 percent to the United States - most of it to fire East Coast power plants. Massachusetts is the only New England state to rely heavily on coal for producing electricity.

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  • Chapter 9 – Waste Rock and Rejects

    The open cut mining process will involve stripping topsoil, weathered and unweathered waste rock and extracting coal quantities to meet coal production requirements. Approximately 5,300 Mbcm (approximately 9,500 Mt at an assumed bulk density of 1.8) of waste rock (overburden and interburden) will be removed over the life of the project.

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  • Haunting photos show the tragic Aberfan Disaster in 1966

    More than 50 years ago, Aberfan, a small coal mining town in Wales, was irreversibly changed in a few minutes when 144 people, mostly school children, were killed by a coal-waste landslide.

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  • Mine wastes management - Mining and Blasting

    4.5.1. Waste rock Mining operations generate two types of waste rock - overburden10 and mine development rock. Overburden results from the development of surface mines, while mine development rock is a by-product of mineral extraction in underground mines. The quantity and composition of waste rock

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  • CERREJÓN COMMENTS ON THE CINEP REPORT "MINING,

    treatment systems for mining wastewater (ARM), Ranchería River surface water, Ranchería River groundwater (shallow aquifer), tributaries to the river, coal-seam dewatering wells, sea water, and coastal waters. Every year, we take over 800 samples from the area of influence of the mining

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  • Cerrejon Coal Mine Voltage

    Cerrejon coal mine waste rock cerrejon coal mine voltage cerrejon c o cmc coal marketing company ltd random postsgemcom customer case study 3.Cerrejon coal mine voltage customer case - asdsin.As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction.

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  • Tailings and waste rock: guide to reporting - Canada.ca

    A coal mine generates 5 million tonnes per year of waste rock and 1 million tonnes per year of fine coal rejects (tailings). The sulphur content of the waste rock is 0.01%; the waste rock also contains 20 mg/kg of arsenic. The composition of the tailings is shown in Table 3. Waste rock

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  • Coal Carves a Place in the Future of Global Energy

    Jul 20, 2008· The big difference is that the timeless hand of nature has not carved out El Cerrejon mine. Booming global demand has. A fleet of electric shovels runs 24 hours a day scooping up 50 tons of coal at a swipe. The rock is loaded onto 100-car trains that roll nine times a day to a private Caribbean port, where it is placed on cargo ships that

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  • Mining Waste - an overview | ScienceDirect Topics

    The total amount of hard coal and ore mining and processing waste laying in dumps at the end of 2000 was 1253.5 Mt that was 63.4% of total amount of all wastes disposed throughout the country. Of that, hard coal mining waste comprised 53.3% and metal ore (copper) mining and processing, 46.7%.

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  • Did President Trump Make It Legal to Dump Coal Mining

    Feb 06, 2017· A joint resolution headed for President Trump's signature would repeal a law that limited mining companies' ability to dump earthen mining waste into streams, but this resolution actually

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  • The Dirty Story Behind Local Energy

    Sep 27, 2007· The Cerrejón coal mine has been operating in the region since the 1980s, extracting more than two million tons of coal a month. All of the coal is exported, 20 percent to the United States - most of it to fire East Coast power plants. Massachusetts is the only New England state to rely heavily on coal for producing electricity.

    Read More +
  • The El Cerrejón coal mine – LA BUENA VIDA

    The El Cerrejón coal mine The El Cerrejón mine covers 69,000 hectares of the La Guajíra peninsula in the northeast of Colombia, making it the largest open-cast coal mine in the world. Work on the mine began in 1980 under the management of the American oil company Exxon.

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  • Operación minera | Cerrejón | Minería Responsable

    DRILLING AND BLASTING Deep holes are drilled were the emulsion is disposed in order to blast the waste rocks into fragments. Topsoil is removed and stored in soil banks to be used in land reclamation.

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  • Cerrejón - Infogalactic: the planetary knowledge core

    Cerrejón is a field or coal mine, located in the basin of the Ranchería River, southeast of La Guajira Department in Colombia, east of the Sierra Nevada de Santa Marta and west of the Perijá Mountains, in line with the border with Venezuela.It is an open-pit mine, and is one of the largest mines of that type.The coal mine was divided into three main corresponding areas Cerrejón North Zone

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  • Cerrejón - Wikipedia

    Cerrejón is a large open-pit coal mine in Colombia. It is located in the southeast of the department of La Guajira, close to the border with Venezuela.

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  • Reduction and utilization of coal mine waste rock in China

    Feb 01, 2014· In China, coal mine waste rock (CMWR) produced in coal mining and processing is the greatest source of industrial solid waste in terms of production, accumulation volume, and occupied area. There are about 4.5 billion tons of CMWR stockpiled into more than 1700 waste dumps which occupied 150 km2of land (Bian et al., 2009, Zhao et al., 2008).

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  • Cerrejón | BHP

    Cerrejón is one of the largest surface mining operations in the world and mines high quality thermal coal for the export market. It moves 550 million tons of material a year, by truck and shovel equipment, utilising in excess of 300 trucks, and employs more than 12,000 employees and contractors.

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cerrejon coal mine waste rock

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