• Global Mining Guidelines Group | Tailings

    The Investor Mining Tailings Safety Initiative is governed through a Steering Committee Chaired by the Church of England Pensions Board and the Swedish Council of Ethics of the AP Funds. This has led to a number of interventions. The first was a call for a new independent and publicly accessible international standard for tailings dams based ...

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  • Tailings and waste rock: guide to reporting

    At coal mining operations, both coarse and fine rejects can be formed as a result of washing operations. The resulting materials are considered to be tailings and not waste rock because, by definition, waste rock is not processed in any way. Figure 3 Diagram of reportable and nonreportable components of tailings

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  • Mine Tailings

    Definition: Tailings are waste stream materials that consists of ground rock and process effluents generated in a mine processing plant through which mechanical and chemical processes are used to extract the desired products from the run of the mine ore (). Extraction and production of Tailings: Different tailings have different compositions based on the composition .

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  • Tailings (mining) | Article about Tailings (mining) by The ...

    tailings[′tāl·iŋz] (engineering) The lighter particles which pass over a sieve in milling, crushing, or purifying operations. (mining engineering) The parts, or a part, of any incoherent or fluid material separated as refuse, or separately treated as inferior in quality or value. The decomposed outcrop of a vein or bed. The refuse material ...

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  • APES Flashcards | Quizlet

    The leftovers from one mine is called a tailing; from several mines, tailings. Most of the ore, sometimes as high as 97%, from a mining operation, ends up as tailings. It usually amounts to hundreds of thousands of tonnes a year at a mine site.

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  • (PDF) Closure and Rehabilitation of Tailings Storage ...

    amendments to the tailings were unsuccessful, but placement of soil in potholes, constructed on the tailings, did establis h grasses. Effectively, this process is the appliion and use of a soil ...

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  • Tailings Water Management | McLanahan

    More About Tailings Water Management. Every aggregate or mineral producer who processes rock, crushed stone, sand, coal, limestone, gold, etc. ends up with tailings. Tailings are the unavoidable and undesirable ground rock and process washwater left over from the processing plant after the desired material has been separated.

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  • What are alternative uses for tailings? | Weir Group

    Apr 23, 2019 · Remining tailings. Finally, there is the option to remine legacy tailings. This is possible through using new techniques to recover more valuable minerals, as is currently being achieved in Australia's Northern Territory gold mines.

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  • A conceptual cost comparison of alternative tailings ...

    Keywords: tailings management, cost comparison, tailings storage facility design, Mining Rehabilitation Fund. 1 Introduction. Challenges to the management of tailings are increasing the pressure placed on the mining industry to become more sustainable.

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  • Mine Waste Tailings Beaching

    Dec 23, 2017 · The tailings were diluted with water to a specific slurry density, mixed in a large, 1,675gal tank, and then pumped at a specified flow rate for discharge into a settling trough. Tailings A consisted of fine mill waste from a coppersilver mine. Tailings B was from a silverleadzinc mine and contained coarser particles.

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  • APES mining vocab Flashcards | Quizlet

    TAILINGS. Rock and other waste materials removed as impurities when waste mineral material is separated from the metal in an ore. SPOILS. ... Form of mining used on hilly or mountainous terrain. A power shovel cuts a series of terraces into the side of a hill. An earthmover removes the overburden, and a power shovel extracts the coal, with the ...

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  • Mine Waste Transfer and Disposal Methods

    Mine tailings is another waste material that must be removed from the site. Open pit mining has several stages of waste. First, to access the actual seams or veins of ore, the top layers of rock, or overburden, must be removed.

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  • Characterization of ultramafic mine tailings reactivity ...

    The carbon capture and storage potentials of ultramafic mine tailings are essential for assessing if mineral carbonation is a promising CO₂ sequestration strategy. CO₂ gas is mineralized in solid, stable carbonate minerals through dissolution and reaction with Mgrich mining wastes.

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  • tailings

    Uranium mining and disposal of milling wastes called tailings and spent fuel create even more hazards. OUR BODIES, OURSELVES. Most of the tailings are the excavated overburden rock and rejected sand; both can be stockpiled and used as backfill with little threat to the environment (Stosur and others, 1998). Chapter 9.

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  • Basic facts: What are mine tailings and what is a tailings ...

    Mar 11, 2018 · Mine tailings are the materials left over after the process of separating the valuable fraction from the ore extracted from the earth. Tailings can .

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  • Independent Tailings Review Board (ITRB)Presentation ...

    Jul 08, 2019 · Each tailings dam is unique because of the variety of mine site conditions, including the climate and topography, the physical and geochemical properties of the ore and tailings, the amount of water, the impact on water quality, the planned height of the dam and the available construction materials (McLeod 2016).

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  • Tailings (mining)

    Tailings (mining) synonyms, Tailings (mining) pronunciation, Tailings (mining) translation, English dictionary definition of Tailings (mining). n. 1. tailings Refuse or dross remaining after ore has been processed. 2. Architecture The portion of a tailed beam, brick, or board inside a wall.

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  • What Are Tailings?

    The disposal of tailings is commonly identified as the single most important source of environmental impact for many mining operations (Vick 1990). This is not surprising when considering that the volume of tailings requiring storage can often exceed the insitu total volume of the ore being mined and processed.

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  • Environmental Risks From Mine Tailings

    Aug 10, 2018 · Tailings are a type of rock waste from the mining industry. When a mineral product is mined, the valuable portion is usually embedded in a rock matrix called ore.

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  • Holistic solutions for mine tailings and water

    Jun 20, 2017 · Holistic solutions for mine tailings and water. Water is an essential component in most mineral processing appliions. Water added to the process is mixed with solids and at some point these two materials will have to be separated for reuse, disposal or sale as a product. With increasing scarcity the cost of water is increasing and there is ...

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  • Mine Tailings Sampling Technique

    Tailings are variable by essence with mining and processing. For instance, early PbZn tailings are generally pyritepoor as pyrite was valorized for sulphur. Since a few decades, pyrite is dumped in tailings, changing radically their composition (and AMD behavior). We should talk of tailings stratigraphy here.

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  • Tailing | Definition of Tailing by MerriamWebster

    Tailing definition is residue separated in the preparation of various products (such as grain or ores) —usually used in plural.

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  • Mining tailings | definition of Mining tailings by Medical ...

    tailings Residual gammaradiationrich, sandy waste remaining after extraction of uranium from mined ore.

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