tunnel mining of meaning

2019-08-02T16:08:51+00:00
  • Mined tunnel - Main glossary - About Tunnelling - ITA-AITES

    Definition. Mined tunnel. A tunnel excavated without removing the overlying rock or soil and, except for shaft connections, open to the surface only at one or both ends during construction.

  • Glossary of Mining Terms - SEC.gov

    Tunnel - A horizontal underground opening, open to the atmosphere at both ends. Tunnel-boring-machine - A machine used to excavate a tunnel through soil or rock by mechanical means as opposed to drilling and blasting. U. Umpire sample or assay - An assay made by a third party to provide a basis for settling disputes between buyers and sellers ...

  • Tunnel Site Mining Terms Dictionary The Diggings™

    One type of mining claim. A site located for the development of a vein or lode or for the anticipated discovery of a previously unknown vein or lode. The locator of a tunnel site is given the rights to all veins cut by the tunnel within 3,000 feet of it's portal, and to 1,500 feet along the length...

  • Mine tunnel definition and meaning Collins English ...

    A mine is a place where deep holes and tunnels are dug under the ground in order to obtain a mineral such as coal, diamonds, or gold.

  • Glossary of Mining Terms – Legends of America

    Adit – An entrance to a mine, generally a horizontal tunnel. Alluvial or Bench Deposits – An ancient river-washed rock and gravel bar that may be thousands of feet from the nearest stream, creek, or river. Alluvial or bench deposits contain untapped potential for finding gold because such areas have never been worked before.

  • Glossary of Mining Terms - Coal Education

    Also, a tunnel driven from one seam to another through or across the intervening measures; sometimes called "crosscut tunnel", or "breakthrough". In vein mining, an entry perpendicular to the vein. Cross entry - An entry running at an angle with the main entry. Crusher - A machine for crushing rock or other materials. Among the various types of ...

  • Top ten mining terms you should know - MINING.COM

    Jul 28, 2014  Jul 28, 2014  Top Ten Mining Terms. 10. Bench: floor or ground anywhere underground. 9. Back: the roof anywhere underground. 8. Drift: what you would call a tunnel. 7. Ramp: drift that runs from level down to ...

  • Tunnel warfare - Wikipedia

    OverviewEarly timesModern warfareFamous tunnel war victoriesTunnels after warSee alsoGeneral referencesFurther reading

    Tunnel warfare is a general name for war being conducted in tunnels and other underground cavities. It often includes the construction of underground facilities (mining or undermining) in order to attack or defend, and the use of existing natural caves and artificial underground facilities for military purposes. Tunnels can be used to undermine fortifications and slip into enemy territory for a surprise attack, while it can strengthen a defence by creating the possibility of ambush, counterattackand the ability to transfer tr

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  • Tunnel - definition of tunnel by The Free Dictionary

    Define tunnel. tunnel synonyms, tunnel pronunciation, tunnel translation, English dictionary definition of tunnel. n. 1. An underground or underwater passage. 2. A passage through or under a barrier such as a mountain. ... as for a mine or tunnel. underpass, subway - an underground tunnel or passage enabling pedestrians to cross a road or ...

  • Mining Terms Explained: A to Z Anglo American

    A glossary of mining terms. Mining explained. Bulk ore sorting and coarse particle recovery – leading the way in mineral processing innovation. Mining explained. Digging deeper: Mining methods explained. The four concepts underpinning a new way of mining.

  • Tunnel Definition of Tunnel by Merriam-Webster

    Tunnel definition is - a covered passageway; specifically : a horizontal passageway through or under an obstruction. How to use tunnel in a sentence.

  • Tunnel Definition Meaning Dictionary

    Tunnel definition, an underground passage. See more. After a moth was given four minutes to taste the sweet stuff, it was attracted to the new smell when sent into the tunnel 15 minutes later, even when neither the sugar water nor the visual cue of the artificial flower was present.

  • mine tunnel in a sentence Sentence examples by Cambridge ...

    Examples of mine tunnel in a sentence, how to use it. 16 examples: To simplify transport issues, the decision was made to build the mine tunnel

  • Tunnel - definition of tunnel by The Free Dictionary

    Define tunnel. tunnel synonyms, tunnel pronunciation, tunnel translation, English dictionary definition of tunnel. n. 1. An underground or underwater passage. 2. A passage through or under a barrier such as a mountain. ... as for a mine or tunnel. underpass, subway - an underground tunnel or passage enabling pedestrians to cross a road or ...

  • Tunneling Definition Meaning Dictionary

    Aug 22, 2013  Tunneling definition at Dictionary, a free online dictionary with pronunciation, synonyms and translation. Look it up now!

  • Tunnels and underground excavations - Tunneling techniques ...

    Tunnels and underground excavations - Tunnels and underground excavations - Tunneling techniques: Tunnels are generally grouped in four broad categories, depending on the material through which they pass: soft ground, consisting of soil and very weak rock; hard rock; soft rock, such as shale, chalk, and friable sandstone; and subaqueous. While these four broad types of ground condition

  • MINING TUNNEL - crossword answers, clues, definition ...

    Definition of shaft. equip with a shaft. a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow) a long vertical passage sunk into the earth, as for a mine or tunnel. (architecture) upright consisting of the vertical part of a column. a vertical passageway through a building (as for an elevator)

  • How Tunnels Work HowStuffWorks

    Mine tunnels are not as safe as tunnels designed for permanent occupation, however. Photo courtesy National Photo Company Collection/Library of Congress Prints and Photographs Division A coal miner standing on the back of a car in a mine tunnel in the early 1900s. Notice that the sides of the tunnel are shored up with timber.

  • What is Sequential Excavation Method (SEM)? - Definition ...

    Jan 31, 2018  The sequential excavation method (SEM) is used for the construction of shallow mined tunnels that have ground conditions that are fully dry or have been effectively dewatered. The method is also known as the new Austrian tunneling method (NATM), as the idea for this method originated in Austria. It gained popularity for its use of the available ...

  • Miners Definition of Miners by Merriam-Webster

    Mine definition is - my —used before a word beginning with a vowel or h or sometimes as a modifier of a preceding noun—archaic except in an elevated style. How to use mine in a sentence.

  • ADVANTEC Tunnel Mining - Mining and tunnelling machinery

    Under the TDR series name (tunnel-digging roadheaders), we offer you powerhouses that represent the benchmark in the mining and tunnelling industry. On the one hand, because we produce our roadheaders in various sizes and designs, meaning we can supply our customers with the right solution for virtually any requirements.

  • Underground Mining Methods

    Feb 25, 2018  The choice of an underground mining method depends on a range of factors and these include; the size and shape of the deposit, the orientation or slope of the deposit, the depth of the deposit, geological structures, characteristics of the ore and the surrounding rocks and issues with gas and water. In combination, these factors allow us to determine an appropriate arrangement and sequence for ...

  • 10 Tunnel Dream Interpretation DreamChrist Dream Meaning

    The dream meaning of tunnels and stairs is related to progress. It symbolizes movement in your life, and it depends on whether you go up or down. These dreams can represent feelings of fear, failure, success, or challenge. Walking up the stairs leading to a tunnel is a

  • NRS: CHAPTER 517 - MINING CLAIMS, MILL SITES AND TUNNEL

    1. All records of lode or placer mining claims, mill sites or tunnel rights made by any mining district recorder or any county recorder prior to March 16, 1897, are hereby declared to be valid and to have the same force and effect as records made in pursuance of the provisions of NRS 517.010 to 517.280 ,

  • Tunnel - definition of tunnel by The Free Dictionary

    Define tunnel. tunnel synonyms, tunnel pronunciation, tunnel translation, English dictionary definition of tunnel. n. 1. An underground or underwater passage. 2. A passage through or under a barrier such as a mountain. ... as for a mine or tunnel. underpass, subway - an underground tunnel or passage enabling pedestrians to cross a road or ...

  • Top ten mining terms you should know - MINING.COM

    Jul 28, 2014  Top Ten Mining Terms. 10. Bench: floor or ground anywhere underground. 9. Back: the roof anywhere underground. 8. Drift: what you would call a tunnel

  • Tunnel is one of mine - Crossword Clue, Answer and Explanation

    This could be a double definition. ' tunnel ' is the first definition. Although both the answer and definition are singular nouns, I don't see how they can define each other. ' one of mine ' is the second definition. Although both the answer and definition are singular nouns, I can't understand how one could define the other. ' is ' acts as a link. Can you help me to learn more?

  • Tunnels and underground excavations - Tunneling techniques ...

    Tunnels and underground excavations - Tunnels and underground excavations - Tunneling techniques: Tunnels are generally grouped in four broad categories, depending on the material through which they pass: soft ground, consisting of soil and very weak rock; hard rock; soft rock, such as shale, chalk, and friable sandstone; and subaqueous. While these four broad types of ground condition

  • MINING TUNNEL - crossword answers, clues, definition ...

    Definition of shaft. equip with a shaft. a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow) a long vertical passage sunk into the earth, as for a mine or tunnel. (architecture) upright consisting of the vertical part of a column. a vertical passageway through a building (as for an elevator)

  • Underground Mining Methods

    Feb 25, 2018  The choice of an underground mining method depends on a range of factors and these include; the size and shape of the deposit, the orientation or slope of the deposit, the depth of the deposit, geological structures, characteristics of the ore and the surrounding rocks and issues with gas and water. In combination, these factors allow us to determine an appropriate arrangement and sequence for ...

  • What is Sequential Excavation Method (SEM)? - Definition ...

    Jan 31, 2018  The sequential excavation method (SEM) is used for the construction of shallow mined tunnels that have ground conditions that are fully dry or have been effectively dewatered. The method is also known as the new Austrian tunneling method (NATM), as the idea for this method originated in Austria. It gained popularity for its use of the available ...

  • mine Origin and meaning of mine by Online Etymology ...

    mine (v.1) c. 1300, minen, "to dig a tunnel under fortifications to overthrow them," from mine (n.1) or from Old French miner "to dig, mine; exterminate," from the French noun. From mid-14c. as "to dig in the earth" (in order to obtain minerals, treasure, etc.). Figurative meaning "ruin or destroy by slow or secret methods" is from mid-14c.

  • Mine Definition of Mine by Merriam-Webster

    Mine definition is - my —used before a word beginning with a vowel or h or sometimes as a modifier of a preceding noun—archaic except in an elevated style. How to use mine in a sentence.

  • Mining Article about mining by The Free Dictionary

    Mining is broadly divided into three basic methods: opencast, underground, and fluid mining. Opencast mining is done either from pits or gouged-out slopes or by surface mining, which involves extraction from a series of successive parallel trenches. Dredging is a type of surface mining

  • Cross passages Building the tunnels and stations ...

    The Metro Tunnel cross passages will be constructed from below ground within the tunnels after the tunnel boring machines (TBMs) have passed through. The cross passages are generally constructed using traditional mining techniques to create a link between the two tunnels. These techniques typically include the use of ground treatment measures ...

  • NRS: CHAPTER 517 - MINING CLAIMS, MILL SITES AND TUNNEL

    1. All records of lode or placer mining claims, mill sites or tunnel rights made by any mining district recorder or any county recorder prior to March 16, 1897, are hereby declared to be valid and to have the same force and effect as records made in pursuance of the provisions of NRS 517.010 to 517.280 ,

  • Cal/OSHA Mining and Tunneling Unit

    The Mining and Tunneling (M T) Unit is Responsible for:. Investigating complaints of hazards and reports of accidents in mines and tunnels, and issuing citations; Conducting pre-job safety conferences and issuing permits prior to any initial underground mining or tunneling operation

  • Tutorials/Mining – Official Minecraft Wiki

    In the world of Minecraft, mining is essential to a player's progress. However, it can be dangerous and time-consuming if not done well. Below are some tips provided by the community for performing this underground work. 1 Mining layers 2 Preparing to mine 3 Cave mining 3.1 Mineshafts 3.2 Caves under sand 3.3 Cave mining checklist 4 Shaft Mining 4.1 Simple Mine Shaft 4.2 Staircases 4.2.1 ...