تعتبر شركة Olux شركة رائدة ومتميزة على المستوى الدولي في مجال البحث والتطوير وتصنيع وبيع محطات التكسير والغربلة واسعة النطاق ومعدات الطحن الصناعية ومصانع الاستفادة.
Sulphide dust explosions - An underground mining hazard involving the spontaneous combustion of airborne dust containing sulphide minerals. Sulphur dioxide - A gas liberated during the smelting of most sulphide ores; either converted into sulphuric acid or released into the atmosphere in the form of a gas.
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Study with Quizlet and memorize flashcards containing terms like Back, Bottom, Capping and more.
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Underground Mining Terms - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or view presentation slides online. This document defines various underground mining terms used to describe the spatial relationships in a mine, directions of excavation, and types of excavations. Some key terms include: - Hanging wall and footwall refer to the wall rocks above …
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Other articles where underground mining is discussed: mining: Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the…
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Back – the roof or upper part in any underground mining cavity. Back sample - Rock chips collected from the roof or back of an underground opening for the purpose of determining grade. ... Butt entry — A coal mining term that has different meanings in different locations. It can be synonymous with panel entry, submain entry, or in its older ...
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Explore a complete glossary of mining terms, equipment, and processes, covering everything from coal mining and underground mining to surface mining and advanced techniques. Perfect for industry professionals and enthusiasts looking to understand mining operations and terminology.
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Discover our comprehensive glossary of mining terms, your ultimate resource for understanding the complex language of the mining industry. Navigate with ease through technical jargon and industry-specific terminologies.
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Important Terms of Mining: Bench: is a ledge which forms a single level of operation where ore and waste are excavated. Berm: is a horizontal shelf or ledge built in to a sloping wall of an open pit or quarry for protection under level. High Wall: is an unexcavated face or slope of rock between benches. Overburden: is non-valuable minerals above ore which must be removed to extract …
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Mining - Underground, Safety, Techniques: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are the costs, which, for each ton of material …
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glossary of mining terms A brief explanation of strata reinforcement and associated geotechnical terms used in the Australian underground coal and metalliferous mining and civil tunnelling …
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mining or other purposes. claim-jumper. a person who seizes another's claim of land, esp. for mineral rights. coyote hole. a shallow excavation dug in the ground for mineral exploration or extraction. drift. an approximately horizontal passageway in underground mining. excavation. an area where rock or alluvium has been removed. fools gold.
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Here's a list of ten interesting mining terms you might like to know, if you don't already. ... Bench: floor or ground anywhere underground. 9. Back: the roof anywhere underground. 8.
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Underground mining is the process of extracting valuable minerals and materials from beneath the Earth's surface. Unlike open-pit mining, which occurs on the surface, underground mining …
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4. U N ESC O – EO LSS SAM PLE C H APTER S CIVIL ENGINEERING – Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 1c. Processed ore by minerals for open pit and underground metal mines for the period 1988 to 1997 in the western world Larger mines offer higher …
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A mining method for narrow orebodies where no backfill is required during the stoping operation. Successive horizontal slices of ore are taken along the length of the stope back and left in place to support the walls rocks and serves as a working floor for the next slice.
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Glossary of Mining Terminology After Damp - Gasses resulting from underground combustion, normally carbon monoxide. This is a loose term implying any fatal gas in a mine after an …
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The Glossary of Mining Terminology is a first attempt to improve Inuktitut terminology in the resource development field. The aim of the glossary is to clarify some technical words associated with resource development using everyday language. The Glossary of Mining Terminology is a living document that will continue to be improved as the industry develops and Inuktitut …
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Dam An underground stopping or wall constructed out of masonry, clay and rubble, to prevent gas escaping, and causing explosions and fires. Used to block off areas of the mine that have been worked out ... Glossary of Mining Terms . 2 Ground Bailiff/Mine Surveyor Old term for Manager. Employed by the Mine Owner to watch the
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Study with Quizlet and memorize flashcards containing terms like The weight of the rocks above a narrow roadway is transferred to the solid coal along the sides., Contains free sulfuric acid, mainly due to the weathering of iron pyrites., Any place in a mine where miners are normally required to work or travel and which are ventilated and inspected regularly. and more.
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In our Mining glossary, you will find a comprehensive list of explanations for a wide variety of mining industry terms. Mining topics from A to Z. ... Block caving is an underground mining method in hard rock in which an ore body is undercut until it finally collapses under its own weight. This can cause the formation of large surface ...
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Important Terms of Underground Mining . Some. Examples for Surface Mining Important Terms of Surface Mining . Mining Terms . Types of Mining . Types of Mining . Surface Mining: Open Pit Mining: Massive stock-work deposits –gold, copper . …
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Prop - Coal mining term for any single post used as roof support. Props may be timber or steel; if steel--screwed, yieldable, or hydraulic. ... Shortwall – An underground mining method in which small areas are worked (15 to 150 feet) by a continuous miner in conjunction with the use of hydraulic roof supports.
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This is a compilation of common French mining terms. These are technical terms that may well be common French terms but have special meanings in the mining environment. ... Underground mining of mineral substances: Puits: Shaft: Vertical opening linking the different levels of the mine. The extraction shaft is used to evacuate the coal, while ...
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Hardrock Mine Feature Glossary Adit: A nearly horizontal passage from the surface into a mine. Adits are typically used for personnel access, haulage and dewatering. Airway: A passage through which air is carried. Back: The roof of a passage or cavity. Backfill: Mine waste or rock dumped in a disused passage or inside cribbing.
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Glossary of Common Australian Mining Terms 2022 Mining terminology is tricky to understand. We're here to help you navigate the greenfields, brownfields and mine fields of mining speak. A Adit - an underground tunnel on a mine that follows a seam or vein of ore, which can be used for access or drainage purposes. Assay - assay-definition is the testing
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Drawpoint - An underground opening at the bottom of a stope through which broken ore from the stope is extracted. Drift - A horizontal underground opening that follows along the length of a …
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Explore a comprehensive mining glossary of terms, from "Anomaly" to "Zone," providing definitions for key terms and concepts in the mining industry. About. Board and Management; ... The process of extracting the desired ore or other mineral from an underground mine, leaving behind an open space known as a stope. Stoping is used when the country ...
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In practical terms, underground mining is used in instances where the ore body is too deep for profitable open-pit mining when the orebody's quality or grades can offset the costs, and when the need for a smaller ground footprint is preferred, such as in comparison to open-pit mining. The technique of narrow vein stoping is an example of a ...
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Mining Responsibly Underground Mining Methods Key Terms Key Terms Explanations Bolting Drilling a hole, and inserting a bolt to strengthen the ceiling and walls of an underground mine. Crusher A machine used to crush ore before it is transported. Drift A horizontal underground tunnel that follows a vein or ore body.
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Room and Pillar – a form of underground mining in which typically more than half of the ore is left in the mine as pillars to support the roof. Room and pillar mines are generally not expected to …
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Underground Mining: If the excavation consists of openings for human entry below the earth's surface, it is called an underground mine. •Conventional Mining: Large veins or massive …
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Download our PDF of Gold Mining Terms. adit – a horizontal or nearly horizontal underground passage coming to the surface at one end of a mine.; alluvial – of or pertaining to alluvium; alluvial soil.; alluvium – a deposit of sand, mud, etc., formed by flowing water.; assay – to analyze (an ore, alloy, etc.) in order to determine the proportion of gold, silver, or other metal in it.
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Study with Quizlet and memorize flashcards containing terms like Primary opening, Secondary opening, Tertiary Openings and more. ... Underground Mining Terms. Flashcards; Learn; Test; Match; Q-Chat; Get a hint. Primary opening. main openings (shaft, slope, etc.) 1 / 54. ... roof, top, or overlying surface of an underground excavation. Bottom ...
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Underground mining is a method used to extract minerals and resources from beneath the earth's surface. This technique is often employed when deposits are located too deep for surface mining to be economically viable. While it allows for the extraction of valuable resources like coal, gold, and diamonds, it also raises significant environmental concerns related to land disturbance, …
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Back - The roof or upper part in any underground mining cavity. Backfill – Mine waste or rock used to support the roof after coal removal. Barren - Said of rock or vein material containing no …
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UNDERGROUND MINING KEY Terminology Define the following terms as they relate to mining. Vein - A fissure, fault or crack in a rock filled by minerals that have travelled upwards from some deep source. Vug – A small cavity in a rock, frequently lined with well-formed crystals.Amethyst commonly forms in these cavities.
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