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If the gangue mineral in an iron ore is predominantly quartz, reverse flotation is usually used in the cleaning stage to improve the concentrate grade. Figure 9.13 presents a typical flow sheet for processing an oxidized iron ore containing about 30% Fe using a combination of SLon magnetite separators and reverse flotation. The ore is mainly composed of magnetite, hematite, martite, and quartz.
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Gangue definition is - the worthless rock or vein matter in which valuable metals or minerals occur.
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Gangue is a waste rock remaining after a mineral ore is removed. Why is gangue sometimes reprocessed? If the price of the metal goes up or the technology improves the amount of the metal still in the gangue might be removed for a profit.
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Ore, as mined, contains ore minerals, gangue minerals, and country rock. A mass of mineral matter is not considered ore unless one or more of its ore minerals can be recovered on a profitable basis. As originally used, ore minerals were metal bearing (see Metallic Minerals).More recently, nonmetallic minerals of commercial importance are considered ore minerals (see Mineral Industries).
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Fluorite, CaF2, is considered a strategically important mineral as it is a raw material for many strategic industries. Froth flotation is reported to be the most efficient and economically viable process for the production of an acid-grade product with a CaF2 content of at least 97%. Selective flotation of fluorite from gangue minerals, e.g., calcite and barite, is challenging because these ...
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In mining, gangue is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit. The separation of gangue from minerals can be a major obstacle.
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In mining, gangue is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit.The separation of mineral from gangue is known as mineral processing, mineral dressing or ore dressing and it is a necessary and often significant aspect of mining.It can be a complicated process, depending on the nature of the minerals involved.
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In mining, gangue (/ ɡ æ ŋ /) is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit.It is thus distinct from overburden, which is the waste rock or materials overlying an ore or mineral body that are displaced during mining without being processed, and from tailings, which is rock already stripped of valuable minerals; a ...
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Muchos ejemplos de oraciones traducidas contienen "gangue minerals" – Diccionario español-inglés y buscador de traducciones en español.
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n gangue In mining, the non-metalliferous or earthy minerals accompanying the ore in a vein or mineral deposit; the part of a lode which is not called ore, or which has no commercial value; veinstone. Quartz is the most abundant veinstone; calcite, heavy-spar, fiuor-spar, and brown-spar are also commonly found forming more or less of the bulk of the metalliferous lodes.
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Gangue Minerals - What Do They Tell Us? January 2017 by Chris Ralph. There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
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Jun 23, 2018· What is Gangue? A mining term everyone should know! Here's a quick lesson explaining the differences between overburden, tailings and gangue. This mine was struck over 130 years ago into a ...
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Define gangue. gangue synonyms, gangue pronunciation, gangue translation, English dictionary definition of gangue. also gang n. Worthless rock or other material in which valuable minerals are found. or n 1. valueless and undesirable material, such as quartz in small... Gangue - definition of gangue by The Free Dictionary ...
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Floatability of apatites and gangue minerals of an igneous phosphate ore Article (PDF Available) in Minerals Engineering 21(12):994-999 · November 2008 with 124 Reads How we measure 'reads'
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Gangue definition, rock or mineral matter of no value occurring with the metallic ore in a vein or deposit. See more.
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minerals that are valuable and economical to extract. gangue minerals. minerals that have no commerical value. hydrothermal solutions. hot, subsurface waters that contain dissolved minerals. evaporites. deposits of salt that evaporate in seas or lakes. alloys. two or metals combined.
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Gangue is the substance that must be extracted along with desired minerals or ores due to their close association. These materials are typically removed along with the target minerals or ores, and must then be separated out. Gangue may then be dumped as tailings. In some cases, there may be additional uses for the materials present in tailings.
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gangue definition: The definition of gangue is worthless rock or mineral in which valuable minerals are found. (noun) An example of gangue is the rock surrounding a deposit of gold. ...
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'It is associated with all ore minerals as well as most gangue minerals.' 'Exceptionally well-crystallized zinc-bearing rhodonite was a locally abundant gangue mineral at Franklin and, to a lesser extent, Sterling Hill, Sussex County, New Jersey.' 'Rhodonite is described in the technical literature as a widespread and locally abundant ...
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In mineral deposit …of valueless minerals, collectively called gangue. The more concentrated an ore mineral, the more valuable the mineral deposit. For every mineral deposit there is a set of conditions, such as the level of concentration and the size of the deposit, …
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(b) The minerals or deposits from which the metals can be extracted are called ores. (c) The naturally occurring compounds of metals along with their impurities is termed as minerals. (d) Ores contain metal compounds with some of the impurities such as sand and rocky materials and these impurities are called gangue.
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Automated Hyperspectral Logging. The successful development of iron ore resources is fundamentally linked to our ability to accurately identify not only multiple species of iron oxide minerals, but also sub-species, phases (eg. ochreous vs. hard) and associated gangue minerologies.
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For instance, arsenopyrite was once considered a useless gangue mineral and dumped. With research, it was discovered to contain arsenic that is widely used today in insecticides. Hence, arsenopyrite is now considered an economic fraction.
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Browse all articles from ICMJs Prospecting and Mining Journal.
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Jun 01, 2020· Metallurgy Part 2 | Minerals, Ores, Gangue & Stages Involved in Metallurgy | CBSE / SSC Board - Duration: 31:31. Imran Academy 1,231 views
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'The main gangue minerals are quartz and barite.' 'The main gangue minerals that make up the vein are massive white calcite, quartz, and prehnite.' 'Here the galena is massive, with 1-3 - mm-wide cleavage planes scattered across the quartz gangue surface of the specimen.' 'Uraninite occurs with cobalt, nickel, arsenic, and silver ...
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Welcome to emineralshow Welcome to emineralshow Welcome to emineralshow. Home of. Our Gangue Minerals and Roy Hurlburt Minerals. About Us. Roy Hurlburt Minerals. For St Louis Area Rockhound Sale information click on the flyer to the left. Click below to see Roy Hurlburt Minerals …
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Gangue minerals associated with sulfide-rich tailings include various aluminosilicate minerals such as chlorite, smectite, biotite, muscovite, plagioclase, amphibole, and pyroxene. Their contribution to acid-neutralization reactions has been examined in a number of …
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