cerrejon coal mine waste rock

  • Chapter 9 – Waste Rock and Rejects

    the 46 year operational mine life. Production from the project will primarily be high quality coking coal with some thermal coal. 9.2.2 Waste Rock 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

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  • Cerrejón Formation - Wikipedia

    The Cerrejón Formation is a geologic formation in Colombia dating back to the Middle-Late Paleocene.It is found in the El Cerrejón sub-basin of the Cesar-Ranchería Basin of La Guajira and Cesar.The formation consists of bituminous coal fields that are an important economic resource. Coal from the Cerrejón Formation is mined extensively from the Cerrejón open-pit coal mine, one of the ...

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  • Proyecto La Puente | Cerrejón | Minería Responsable

    The rock and dirt excavated was hauled to build the embankment road surrounding the mining pit. In order to keep access open to the mining pit, around 160 metres on the internal road had to be rerouted. ... Cerrejón Coal Limited and Cerrejón North Zone S.A., henceforth the Companies, comply with the constitutional right of everyone to know ...

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

    Mar 30, 2020· Coal mines emit more methane than oil-and-gas sector, study finds. Methane emissions from coal mines could be more than double previous estimates, according to a new study. Global Witness accuses UK of 'rank hypocrisy' on fossil fuel projects. Campaign group says UK's export credit agency broke OECD's rules with £2bn of fossil fuel ...

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  • Lecture 4: Mining waste - SGU

    The ratio between waste rock and ore production is called the stripping ratio. For example, a stripping ratio of 2:1 means that 2 tonnes of waste rock needs to be mined to mine 1 tonne of ore. Generally, an open pit mine has a higher stripping ratio than an underground mine. Waste rock is often stored close to the mine to minimize transports.

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  • Spoil tip - Wikipedia

    A spoil tip (also called a boney pile, culm bank, gob pile,waste tip or bing) is a pile built of accumulated spoil – waste material removed during mining. These waste materials are typically composed of shale, as well as smaller quantities of carboniferous sandstone and various other residues. Spoil tips are not formed of slag, but in some areas, such as England and Wales, they are referred ...

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  • Understanding Mining Waste Management and Disposal Methods ...

    May 21, 2020· Improper mining waste disposal will lead to air, soil, and water pollution. Different types of mining include landfill mining, coal mining, oil and gas extraction, metal, and non-metal ore mining. In this article, we will look at different types of mining waste and how to manage it effectively. Types of Mine Waste 1. Rock or Solid Mine Waste

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  • SUSTAINABILITY REPORT - Cerrejón

    blast the waste rock into fragments. DRILLING AND BLASTING Shovels remove the waste rock and load it onto 240 – and 320 – tonne trucks that take it to dump sites or to backfill areas for land reclamation. REMOVAL OF WASTE ROCK Once the coal seams are exposed, the mining process begins and the coal is loaded onto 190- tonne trucks. REMOVAL,

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  • Waste Generation In Mine Quarry Plant

    cerrejon coal mine waste rock - crusher in India Shenbang can supply the right crusher as well as complete crushing plant to meet your material reduction ... Mining Waste Treatment Technology . 11 ...

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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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  • Cerrejon coal mine - Global Energy Monitor

    (Land / Mine) FRONT-END LOADERS (Coal) COAL TRUCK (190 tonnes) WASTE ROCK TRUCK (320 tonnes) 1. BEFORE 2. PRE-MINING prOspe CtiOn Performed to discover zones with the highest occurrence of coal deposits. eXpl OratiOn Allows us to determine the amount and quality of resources in a deposit as well as its mining potential. wildliFe resCue and ...

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  • Colombia: Cerrejon Coal Mine | IEA Clean Coal Centre

    Nov 12, 2020· The Cerrejon coal mine in Colombia is the biggest open-cast coal mine in Latin America and one of the largest surface coal mining operations in the world. ... and a fleet of 190t trucks to transfer the extracted coal for processing. The waste and rock removal are done by shovels while 240t and 320t haul trucks are used to transfer it to the ...

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  • Tailings - Wikipedia

    Coal refuse (also described as coal waste, coal tailings, waste material, culm, boney, or gob) is the material left over from coal mining, usually as tailings piles or spoil tips.For every tonne of hard coal generated by mining, 400 kilograms of waste material remains, which includes some lost coal that is partially economically recoverable. Coal refuse is distinct from the byproducts of ...

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  • Above the Mine - London Mining Network

    • This is the Cerrejon mine, one of the biggest coalmines in the world, owned since 2000 by BHP, Anglo-American and Glencore. These three companies are listed on the London Stock Exchange.* • The UK imports coal from this mine. • The mine is more than 30 miles long and five miles wide. • At least 17 Wayuu and Afro-Colombian communities were

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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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  • 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 km 2 of land (Bian et al., 2009, Zhao et al., 2008).

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  • cerrejon c o cmc coal marketing company ltd

    Cerrejon Coal Company (formerly know as Carbones del Cerrejón LLC, is the largest coal mining company in Colombia, with major mines in the Department of la Guajira. It owns and operates the Cerrejon coal mine and the Puerto Bolivar coal export terminal in northern Colombia.

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  • Cerrejon Open-pit Coal Mine, La Guajira, Colombia

    Coal reserves at Cerrejon. The Cerrejon coal mine was estimated to hold 337.9Mt of proven and probable coal reserves grading 6040 kcal/kg as of December 2019. The total measured and indicated resources at the mine was estimated to be 4156.3Mt. Mining and coal handling . The Cerrejon coal mine has a total of 6 open-pits in operation.

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  • Coal company Teck fined $60M for contaminating rivers in ...

    "Teck did not exercise all due diligence to prevent the deposit of coal mine waste rock leachate into the Fording River from settling ponds," federal prosecutor Alexander Clarkson, reading from an ...

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  • Cerrejón, Minería Responsable | Aliados para el Progreso ...

    WASTE ROCK Shovels remove the waste rock and load it onto 240- and 320-tonne trucks that take it to dump sites orto backfill areas ..l REMOVAL, LOADING, AND TRANSPORT OF COAL Once the coal seams are exposed, the mining process begins and the coal is loaded onto 190-tonne trucks. TANKERS A fleet of water tankers to wet down the haul roads.

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