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  • 16:21, 21 July 2021 diff hist +208 N BridgewireCreated page with "A resistance wire connecting the ends of the leg wire inside an electric detonator and which is embedded in the ignition charge of the detonator. <br/>Source: Dictionary of M..." current
  • 16:21, 21 July 2021 diff hist +317 N BridgedCreated page with "A borehole plugged by debris lodged at some point above the bottom of a hole. The hole may be bridged deliberately by introducing foreign material into the hole or accidenta..." current
  • 16:20, 21 July 2021 diff hist +145 N Bridge wallCreated page with "A low separating wall, usually made of firebrick, in a furnace. <i>Webster 3rd </i> <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 16:20, 21 July 2021 diff hist +215 N Bridge tramwayCreated page with "Consists of two steel bridge trusses braced together so as to form between them a runway on which a bucket-carrying trolley runs. <i>Pit and Quarry </i> <br/>Source: Dictiona..." current
  • 16:20, 21 July 2021 diff hist +219 N Bridge the holeCreated page with "Deliberate plugging of a borehole at a point some distance above the bottom by introduction of some type of foreign material or a plug. See also: bridge <br/>Source: Dict..." current
  • 16:20, 21 July 2021 diff hist +125 N Bridge overCreated page with "Collapse of a well bore around the drill stem. <i>Williams </i> <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 16:12, 21 July 2021 diff hist +280 N Bridge conveyorCreated page with "A conveyor that is supported at one end by a loading unit and at the other end in such a way as to permit changes in the position of either end without interrupting the oper..." current
  • 16:12, 21 July 2021 diff hist +212 N Bridge breakCreated page with "The time that elapses between the application of current and the fusion of the bridge wire when using instantaneous blasting caps. <i>Streefkerk </i> <br/>Source: Dictionary..." current
  • 16:11, 21 July 2021 diff hist +1,804 N BridgeCreated page with "# A rock fragment, cavings, or other obstruction that lodges (either accidentally or intentionally) part way down in a drill hole (such as in an oil well). <i>AGI </i> # Debri..." current
  • 16:08, 21 July 2021 diff hist +290 N Bride cakeCreated page with "A black, highly carbonaceous slickensided shale with Carbonicola shells, in the Adwalton stone or Flockton thick coal; also, dirty smudgy coal in the roof of the Stanley Mai..." current
  • 16:08, 21 July 2021 diff hist +236 N BridalCreated page with "Staff. A contrivance used in coal mining to prevent cars from overturning upon steep inclined planes having a rise of 1 ft in 3 ft or 4 ft (1 m in 3 m or 4 m). <i>Hess </i>..." current
  • 16:08, 21 July 2021 diff hist +190 N Bricking scaffoldCreated page with "A staging or platform suspended in a sinking shaft on which masons stand when building brick walling. Syn: walling scaffold <br/>Source: Dictionary of Mining, Mineral, an..." current
  • 16:01, 21 July 2021 diff hist +141 N Bricking curbCreated page with "A curb set in a circular shaft to support the brick walling. See also: curb <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 15:54, 21 July 2021 diff hist +95 N BrickingCreated page with "The walling or casing of a shaft. <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 15:54, 21 July 2021 diff hist +510 N Brick wallingCreated page with "A permanent support for circular shafts. On reaching the rockhead, a firm ledge is prepared to receive the first bricking curb or ring. The curb is fixed correctly with refe..." current
  • 15:54, 21 July 2021 diff hist +108 N Brick fuelCreated page with "In Wales, patent fuel. See also: briquette <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 15:53, 21 July 2021 diff hist +407 N Brick earthCreated page with "Earth, clay, or loam suitable for making bricks; specif. a fine-grained brownish deposit consisting of quartz and flint sand mixed with ferruginous clay; found on river terr..." current
  • 15:53, 21 July 2021 diff hist +143 N Brick coalCreated page with "Eng. Small, dirty coal suitable for brick kilns and similar purposes. <i>Fay </i> <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 15:53, 21 July 2021 diff hist +257 N Brick clayCreated page with "An impure clay, containing iron and other ingredients. In industry the term is applied to any clay, loam, or earth suitable for the manufacture of bricks or coarse pottery...." current
  • 15:53, 21 July 2021 diff hist +512 N Brewster's lawCreated page with "# The index of refraction of a crystalline substance is equal to the tangent of its angle of polarization. <i>Pryor, 3 </i> # In optics, where light is reflected from a smooth..." current
  • 15:52, 21 July 2021 diff hist +210 N BrewsterliniteCreated page with "Liquid plus vapor CO<sub>2</sub> in cavities in minerals; e.g., quartz, topaz, and chrysoberyl. The meniscus vanishes under the warmth of the hand. <br/>Source: Dictionary of..." current
  • 15:52, 21 July 2021 diff hist +170 N BrewsteriteCreated page with "A monoclinic mineral, (Sr,Ba,Ca)Al<sub>2</sub> Si<sub>6</sub> O<sub>16</sub> .5H (sub 2) O ; zeolite group. <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 15:51, 21 July 2021 diff hist +136 N BreunneriteCreated page with "A ferroan variety of magnesite used in the manufacture of magnesia bricks. <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 15:51, 21 July 2021 diff hist +2 Brettis waycurrent
  • 15:51, 21 July 2021 diff hist +190 N Brettis wayCreated page with "Derb. A road in a coal mine, supported by brattices built on each side after the coal has been worked out. See also: brattice <br/>Source: Dictionary of Mining, Mineral, an..."
  • 15:29, 21 July 2021 diff hist +121 N Brettice clothCreated page with "A variation of brattice cloth. See also: brattice cloth <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 14:34, 21 July 2021 diff hist +188 N Breton panCreated page with "Large steel mortar in which a heavy steel pestle rolls. Once used in grinding and amalgamation of gold ores. <i>Pryor, 3 </i> <br/>Source: Dictionary of Mining, Mineral, and..." current
  • 14:34, 21 July 2021 diff hist +80 N BrenstonCreated page with "See: brimstone <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 14:34, 21 July 2021 diff hist +111 N BreithauptiteCreated page with "Nickel antimonide, NiSb. See also: niccolite <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 14:34, 21 July 2021 diff hist +183 N Breeze ovenCreated page with "# An oven for the manufacture of small coke. <i>Fay </i> # A furnace designed to consume breeze or coal dust. <i>Fay </i> <br/>Source: Dictionary of Mining, Mineral, and Relat..." current
  • 14:33, 21 July 2021 diff hist +245 N Breeze concreteCreated page with "A concrete made of 3 parts coke breeze, 1 part sand, and 1 part portland cement. It has poor fire-resisting qualities but it is cheap and nails can be driven into it. <i>Nel..." current
  • 14:33, 21 July 2021 diff hist +371 N BreezeCreated page with "# Coke of small size; the undersize remaining after separating the smallest size of graded coke. Also spelled breese. <i>BS, 3 </i> # The dust from coke or coal. <i>Mersereau,..." current
  • 14:32, 21 July 2021 diff hist +77 N BreeseCreated page with "See: breeze <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 14:29, 21 July 2021 diff hist +305 Breeder reactorcurrent
  • 14:29, 21 July 2021 diff hist +128 N BreechingCreated page with "Mid. Drawing loaded trams downhill underground. Syn: britching <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 14:28, 21 July 2021 diff hist +170 N BredigiteCreated page with "An orthorhombic mineral, Ca<sub>7</sub> Mg(SiO<sub>4</sub> )<sub>4</sub> ; pseudohexagonal. CF: larnite <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 14:28, 21 July 2021 diff hist +285 N BrecciatedCreated page with "Converted into, characterized by, or resembling a breccia; esp. said of a rock structure marked by an accumulation of angular fragments, or of an ore texture showing mineral..." current
  • 14:28, 21 July 2021 diff hist +677 N BrecciaCreated page with "# Clastic rock made up of angular fragments of such size that an appreciable percentage of rock volume consists of particles of granule size or larger. <br/>Source: Leet,..." current
  • 14:26, 21 July 2021 diff hist +238 N Breathing caveCreated page with "# A cave in which air is alternately blown out and sucked in at the entrance. <i>Schieferdecker</i> # A narrow part in a passage through which air blows. <i>Schieferdecker </i..." current
  • 14:25, 21 July 2021 diff hist +2,927 N Breathing apparatusCreated page with "# A filter self-rescuer (FSR) is a respiratory protective device that filters ambient air of carbon monoxide, converting it to carbon dioxide. Exhaled air is vented back to am..." current
  • 14:24, 21 July 2021 diff hist +201 N BreathingCreated page with "Alternate expansion and contraction of air in breaks that allows fresh oxygen to be drawn in and oxidation to proceed. <i>Sinclair, 1 </i> <br/>Source: Dictionary of Mining,..." current
  • 14:23, 21 July 2021 diff hist +193 N BreastplateCreated page with "A slightly curved iron plate fastened to the end of a coal auger to enable a miner to press the auger forward using body pressure. <br/>Source: Dictionary of Mining, Mineral,..." current
  • 14:22, 21 July 2021 diff hist +458 N BreastingCreated page with "# N. Staff. A short leading stall, worked at right angles to, and forming the face of, the main level. # A wide heading or level. # Eng. Taking ore from the face or head of a..." current
  • 16:07, 20 July 2021 diff hist +172 N BreasterCreated page with "In tunnel blasting, holes that parallel the tunnel alignment drilled between the cut and the perimeter holes. <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 16:06, 20 July 2021 diff hist +313 N Breast-and-pillarCreated page with "Pennsylvania. A system of working anthracite coal by bords 10 yd (9.1 m) in width, with narrow pillars 5 yd (4.6 m) wide between them, holed through at certain intervals. Th..." current
  • 16:06, 20 July 2021 diff hist -1 Breast wallcurrent
  • 16:06, 20 July 2021 diff hist +217 N Breast wallCreated page with "A wall designed to withstand the force of a natural bank of earth, such as of timber used to support the face of a tunnel. Syn: jamb wall <i>AGI </i> <br/>Source: Dictio..."
  • 16:06, 20 July 2021 diff hist +147 N Breast timberCreated page with "A leaning brace from the floor of an excavation to a wall support. <i>Nichols, 1 </i> <br/>Source: Dictionary of Mining, Mineral, and Related Terms" current
  • 16:04, 20 July 2021 diff hist +295 N Breast stopingCreated page with "A method of stoping employed on veins where the dip is not sufficient for the broken ore to be removed by gravity. The ore remains close to the working face and must be load..." current
  • 16:04, 20 July 2021 diff hist +410 N Breast machineCreated page with "A machine used for undercutting coal in which the main frame and carriage are held stationary by roof jacks while the cutter frame advances into the kerf during the cutting..." current

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