Tailings definition geology
WebTailings are the left-over materials from the processing of mined ore. They consist of ground rock, unrecoverable and uneconomic metals, chemicals, organic matter and effluent from … In mining, tailings or tails are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore. Tailings are different from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being … See more Tailings are also called mine dumps, culm dumps, slimes, refuse, leach residue, slickens, or terra-cone (terrikon). See more Early mining operations often did not take adequate steps to make tailings areas environmentally safe after closure. Modern mines, particularly those in jurisdictions with … See more The fraction of tailings to ore can range from 90 to 98% for some copper ores to 20–50% of the other (less valuable) minerals. The … See more Historically, tailings were disposed of in the most convenient manner, such as in downstream running water or down drains. Because of concerns about these sediments in the … See more Sulfide minerals The effluent from the tailings from the mining of sulfidic minerals has been described as "the largest environmental liability of the mining industry". These tailings contain large amounts of pyrite (FeS2) and See more Tailings deposits tend to be located in rural areas or near marginalized communities, such as indigenous communities. The Global Industry Standard on Tailings Management recommends that "a human rights due diligence process is … See more The UN and business communities developed an international standard for tailings management in 2024 after the critical failure of the See more
Tailings definition geology
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Weba dam is defined as “anything in which by means of excavation, a bank, a barrier or other works, water is collected, stored or concentrated”. A tailings storage facility that includes a tailings dam which collects or stores water or disrupts surface water flows, is likely to meet the definition of a ‘dam’ as described under this Act. Webnoun. the part of a projecting stone or brick tailed or inserted in a wall. tailings, Building Trades. gravel, aggregate, etc., failing to pass through a given screen. the residue of any …
Web11 Oct 2024 · Tailings are visible to the left and below the flat area where the crushing operation occurred. Annually, eroded tailings are carried into the head of the nearby … Web23 Apr 2024 · The adverse environmental effects of mine tailings disposal on the surrounding ecosystems are worldwide environmental problems. Due to environmental issues related to tailings discharged on land surface, detailed tailings characterization is a prerequisite for a long-term management solution. The tailings from four gold mines in …
Webtailings in British English (ˈteɪlɪŋz ) plural noun waste left over after certain processes, such as from an ore-crushing plant or in milling grain Collins English Dictionary. Copyright © … Web1 Mar 2024 · Accelerated carbonation of ultramafic mine tailings has the potential to offset CO 2 emissions produced by mining ores from Cu-Ni-platinum group element, podiform chromite, diamondiferous kimberlite, and historical chrysotile deposits. Treatments such as acid leaching, reaction of tailings with elevated concentrations of gaseous CO 2, and …
Web19 Jan 2024 · On a global scale, the demand for mineral products has increased substantially with economic development. Consequently, the mining of mineral resources results in the production and accumulation of a large number of tailings, causing many problems with respect to mining, the environment, and the economy. In the mining …
WebThe simple reprocessing of the Century tailings provides a mechanism for the economic rehabilitation of the mine site, with the tailings area representing a significant portion of the current rehabilitation requirements. how is liver function measuredWebtailings facility lifecycle, including closure and post-closure. PRINCIPLE 7: Design, implement and operate monitoring systems to manage risk at all ... geology, geochemistry, hydrology and hydrogeology (surface and groundwater flow and quality), geotechnical, and seismicity. The physical and chemical properties of the tailings shall be ... how is live resin madeWebThe tailings should be small, containing no light chaff and little full-size grain. Grain returned in the tailings is liable to get cracked in the cylinder, and much chaff in the tailings chokes … how is liver disease detectedWeb18 Feb 2024 · Tailings are the main damming materials, and the physicochemical properties of tailings mainly include grain composition, porosity, water content and degree of … how is liver elastography doneWebnoun. tail· ing ˈtā-liŋ. Synonyms of tailing. 1. : residue separated in the preparation of various products (such as grain or ores)usually used in plural. 2. : the part of a projecting … how is livermorium usedWeb5 Jan 2024 · The hydrodynamic performance of the tailings was defined during the different engineering stages using the results of the different tests and the information collected … how is liver function test doneWebThe tailings and the waste rock at most mines are an environmental liability because they contain pyrite plus small amounts of ore minerals. When pyrite is exposed to oxygen and … how is liver failure treated