Mary McMahon Entrance to a coal mine. Underground mining is a technique used to access ores and valuable minerals in the ground by digging into the ground to extract them. This is in contrast with techniques like open pit mining, in which the surface layers of ground are scooped away to access deposits, or mountaintop removal, in which the top of a mountain is simply shaved off to access the ...
Glossary of Mining Terminology. A. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ...
underground utility lines run; also known as a "conduit." Drill and blast The excavation of a tunnel, shaft, or cavern in rock using explosive charges placed in holes drilled into the face. Dust Boss A moveable, high-pressured misting system used to suppress dust inside the mining …
Glossary of Mining Terms A Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is
No two underground operations are the same—what, how and where you mine are unique. So we don't offer one-size-fits-all solutions. Our underground mining equipment are designed specifically for hard rock or soft rock applications, as well as for longwall, highwall, or room and pillar operations.
The four 'mobile equipment' audit documents cover: traffic management (Part 1), mining operations and equipment selection (Part 2), surface and underground operations with site deliveries (Part 3), and management of mobile equipment maintenance (Part 4). This document (Part 2) covers mining operations and equipment …
Mar 13, 2021· Underground Mining requires the use of specialized heavy-duty equipment that can handle the hard rocks and other related barriers. Some of the heavy-duty tools required in mining include jumbo drills, drifters, bolters, trucks, and LHDs. Several companies make and distribute these heavy-duty mining …
A coal-cutting machine is used in conventional mining to undercut, topcut, or shear the coal face so that coal can be fractured easily when blasted. It cuts 9 to 13 feet into the bed. Continuous auger machine is used in mining coalbeds less than 3 feet thick. The auger has a cutting depth of about 5 feet and is 20 to 28 inches in diameter. Continuous auger mining usually uses a conveyor belt ...
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 explosion or fire. Air Shaft - A vertical opening into a mine for the passage of air. Airway - Any passage in a mine along which an air current moves. Some passages are
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased. Mining, Underground the aggregate of operations to open and develop a deposit and remove ores, nonmetallic minerals, and coals. A different technology is applied in underground leaching, underground solution, and other underground mining ...
Glossary For Underground Mining Equipment . Prompt : Caesar is a famous mining equipment manufacturer well-known both at home and abroad, major in producing stone crushing equipment, mineral separation equipment, limestone grinding equipment, etc.
Mining Corp. is the world's leading producer of high productivity underground mining equipment for the extraction of coal, potash, salt, platinum and other bedded materials. We have …
section describes underground mining equipment, with particular focus on excavation machinery such as boomheaders, coal cutters, continuous miners and shearers. 1. Underground Mining Methods 1.1. Classification of Underground Mining …
Used Mining Equipment for sale Buy and sell unused and used Underground Mining Equipment at IronPlanet. Buy and sell used Feed Handling Equipment from any and all manufacturers, including , DEILMANN-HANIEL, TURMAG, Tamrock and more. From Drill Rig and Gold Plant to Misc. Mining Equipment …
Jul 13, 2021· The Global Underground Mining Equipment market 2021 research provides a basic overview of the industry including definitions, classifications, applications and industry chain structure.
EX-99 15 glossary.htm EX99.3 - GLOSSARY OF MINING TERMS Glossary of Mining Terms ... Continuous miner - A piece of mining equipment which produces a continuous flow of ore from the working face. ... Sulphide dust explosions - An underground mining hazard involving the spontaneous combustion of airborne dust containing sulphide minerals.
Sep 23, 2019· Underground specialized mining equipment such as trucks, loaders, diggers, etc. are used to excavate the material and are normally hauled to the surface with skips or lifts for further …
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.
GLOSSARY . The definitions in this glossary are for the common noise and hearing loss prevention terms used in this report. If a more thorough definition or explanation is needed, see: NIOSH [1998], …
mining - 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 costs, which, for each ton of material mined, are much higher underground than on …
Retreat mining is a process that recovers the supporting coal pillars, working from the back of the mine towards the entrance, hence the word retreat.Room and pillar mining advances inward, away from the entrance of the mine. Other underground mining methods include Hard rock mining, bore hole mining, drift and fill mining, long hole slope ...
Jinan Fucheng Hydraulic Equipment Co., Ltd was established in 2002, the predecessor was Shangdong Fucheng hydraulics institution. Fucheng has advanced R&D technology, sophisticate technical team and abundant experience, we focus on the manufacture, trading, maintenance and service of underground mining equipment.
Underground mining equipment: A coal-cutting machine is used in conventional mining to undercut, top cut, or shear the coal face so that coal can be fractured easily when blasted. It cuts 9 to 13 feet into the bed. Continuous auger machine is used in mining …
Mineral – a chemical compound, such as copper or iron, formed into crystals by geological processes. Muck – in open pit mining, muck is the ore that has been broken into pieces by explosives. In underground mining, muck is the clearing up that's done after …
storage areas for supplies and equipment. The miners gather here at the end of the shift to wait for a ride to the surface. Stope - The area between two levels of the mine where mining occurs. Accessed through a raise. Tailings or Tails - The waste rock that has been …
Applications of Drilling Equipment 5.1. Underground Mining 5.2. Surface Mining Acknowledgements Glossary Bibliography Biographical Sketch Summary The principal drilling methods used in mines today are mechanical ones in which a drill drives cutting tools into rock by means of static or dynamic force. Percussion rock drills
Browse the list of 4.6k Mining acronyms and abbreviations with their meanings and definitions. Most popular Mining abbreviations updated in July 2021
A world leader in mining equipment and rock excavation. Our constantly evolving offering for mining and rock excavation covers rock drilling, rock cutting, crushing and screening, loading and hauling, tunneling, quarrying and breaking and demolition. No matter the terrain, material or ground hardness, we'll ensure you're matched with the right ...