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09:14, 11 November 2020 ‎Barequero (hist) ‎[134 bytes] ‎Webref (talk | contribs) (Created page with "Colom. A placer miner who uses crude methods of alluvial washing. A spoiler. Source: Dictionary of Mining, Mineral, and Related Terms")
09:13, 11 November 2020 ‎Barequeo (hist) ‎[104 bytes] ‎Webref (talk | contribs) (Created page with "Colom. Extracting the rich ore by crude means. Source: Dictionary of Mining, Mineral, and Related Terms")
09:13, 11 November 2020 ‎Barequear (hist) ‎[182 bytes] ‎Webref (talk | contribs) (Created page with "Colom. In placer mining, to extract as much of the pay gravel as possible, without method, leaving the overburden untouched. Source: Dictionary of Mining, Mineral, and Relate...")
09:13, 11 November 2020 ‎Barefoot (hist) ‎[143 bytes] ‎Webref (talk | contribs) (Created page with "Said of an oil well without a liner in the oil-bearing rock. See also: blank hole Source: Dictionary of Mining, Mineral, and Related Terms")
09:13, 11 November 2020 ‎Bare motor (hist) ‎[138 bytes] ‎Webref (talk | contribs) (Created page with "A motor without a pulley, belt-tightening base, or slide rails. NEMA, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
09:12, 11 November 2020 ‎Bare (hist) ‎[345 bytes] ‎Webref (talk | contribs) (Created page with "#To cut coal by hand; to hole by hand. Mason #The uncased portion of borehole. Also called called barefoot; blank; naked; open; open hole. See also: blank hole #T...")
09:11, 11 November 2020 ‎Barchan (hist) ‎[145 bytes] ‎Webref (talk | contribs) (Created page with "A crescent-shaped sand is available. Source: Leet, L. Don. 1982.Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall")
09:11, 11 November 2020 ‎Barbosalite (hist) ‎[252 bytes] ‎Webref (talk | contribs) (Created page with "A hydrous ferrous ferric phosphate, Fe2+ Fe3+2 (PO4 )2 (OH)2 ; occurs as black grains from Brazil. Syn: fer...")
09:10, 11 November 2020 ‎Barbertonite (hist) ‎[231 bytes] ‎Webref (talk | contribs) (Created page with "A hexagonal mineral, Mg6 Cr2 (CO3 )(OH)16 .4H 2 O ; manasseite group; rose-pink to violet; dimorphous with stichtite....")
09:10, 11 November 2020 ‎Bar-belt conveyor (hist) ‎[212 bytes] ‎Webref (talk | contribs) (Created page with "A conveyor similar to a plate-belt conveyor but in which spaced steel rods arranged transversely are employed in place of the steel plates. BS, 5 Source: Dictionary...")
09:10, 11 November 2020 ‎Bararite (hist) ‎[189 bytes] ‎Webref (talk | contribs) (Created page with "A hexagonal mineral, (NH4 )2 SiF6 ; dimorphous with cryptohalite; occurs over a burning coal seam. Source: Dictionary of Mining, Mineral, and...")
09:08, 11 November 2020 ‎Baralyme (hist) ‎[240 bytes] ‎Webref (talk | contribs) (Created page with "A compressed pill consisting of a blended mixture of barium octohydrate and calcium hydroxide. It is used as a carbon dioxide absorbent in rebreathing (diving) systems. Hu...")
09:08, 11 November 2020 ‎Bar tin (hist) ‎[97 bytes] ‎Webref (talk | contribs) (Created page with "Solid, commercial tin. Bennett Source: Dictionary of Mining, Mineral, and Related Terms")
09:08, 11 November 2020 ‎Bar timbering (hist) ‎[159 bytes] ‎Webref (talk | contribs) (Created page with "A method of timbering mine roadways by means of horizontal and upright bars. See also: timber set Source: Dictionary of Mining, Mineral, and Related Terms")
09:07, 11 November 2020 ‎Bar screen (hist) ‎[74 bytes] ‎Webref (talk | contribs) (Created page with "See: grizzly Source: Dictionary of Mining, Mineral, and Related Terms")
09:07, 11 November 2020 ‎Bar rig (hist) ‎[172 bytes] ‎Webref (talk | contribs) (Created page with "A small diamond or other rock drill designed to be mounted and used on a bar. Also called bar drill. Long Source: Dictionary of Mining, Mineral, and Related Terms")
09:07, 11 November 2020 ‎Bar mining (hist) ‎[228 bytes] ‎Webref (talk | contribs) (Created page with "The mining of river bars, usually between low and high waters, although the stream is sometimes deflected and the bar worked below water level. See also: bar diggings Sou...")
09:07, 11 November 2020 ‎Bar grizzly (hist) ‎[243 bytes] ‎Webref (talk | contribs) (Created page with "A series of spaced bars, rails, pipes, or other members used for rough sizing of bulk material passed across it to allow smaller pieces to drop through the spaces. See also: [...")
09:06, 11 November 2020 ‎Bar flight conveyor (hist) ‎[104 bytes] ‎Webref (talk | contribs) (Created page with "See: drag-chain conveyor; flight conveyor. Source: Dictionary of Mining, Mineral, and Related Terms")
09:06, 11 November 2020 ‎Bar drill (hist) ‎[224 bytes] ‎Webref (talk | contribs) (Created page with "A small diamond- or other-type rock drill mounted on a bar and used in an underground workplace. Also called bar and used in an underground workbar rig. Long Source:...")
08:55, 11 November 2020 ‎Bar diggings (hist) ‎[257 bytes] ‎Webref (talk | contribs) (Created page with "A term applied in the Western United States to diggings for gold or other precious minerals located on a bar or in the shallows of a stream, and worked when the water is low....")
08:54, 11 November 2020 ‎Bar coal cutter (hist) ‎[342 bytes] ‎Webref (talk | contribs) (Created page with "A coal cutter in which the cutting member was a projecting rotating bar armed with picks throughout its length. The bar cut a kerf in the seam as the machine traveled along th...")
08:54, 11 November 2020 ‎Bar channeler (hist) ‎[450 bytes] ‎Webref (talk | contribs) (Created page with "A reciprocating drill mounted on a bar by means of which holes are drilled close together in line by shifting the drill from point to point along the bar. Thereafter, the webs...")
08:52, 11 November 2020 ‎Bar (hist) ‎[1,875 bytes] ‎Webref (talk | contribs) (Created page with "#A placer deposit, generally submerged, in the slack portion of a stream. Also, an accumulation of gravel along the banks of a stream; bar diggings. #A mass of inferior rock i...")
08:50, 11 November 2020 ‎Baotite (hist) ‎[148 bytes] ‎Webref (talk | contribs) (Created page with "A tetragonal mineral, Ba4 (Ti,Nb)8 Si4 O28 Cl. Source: Dictionary of Mining, Mineral, and Related Terms")
12:22, 10 November 2020 ‎Bantams (hist) ‎[364 bytes] ‎Webref (talk | contribs) (Created page with "Small pebbles of a banded garnet-quartz rock; usually associated with diamond in the concentrate obtained when washing the diamond-bearing gravels from the Vaal River in the R...")
12:22, 10 November 2020 ‎Banqueria (hist) ‎[137 bytes] ‎Webref (talk | contribs) (Created page with "Bol. In alluvial mining, a thick bed of blocks of granite, schists, and quartz. Source: Dictionary of Mining, Mineral, and Related Terms")
12:22, 10 November 2020 ‎Banos (hist) ‎[100 bytes] ‎Webref (talk | contribs) (Created page with "Mex. Water collected in old mine workings. Source: Dictionary of Mining, Mineral, and Related Terms")
12:21, 10 November 2020 ‎Bankwork (hist) ‎[107 bytes] ‎Webref (talk | contribs) (Created page with "Eng. A system of working coal in South Yorkshire. Source: Dictionary of Mining, Mineral, and Related Terms")
12:21, 10 November 2020 ‎Banksman (hist) ‎[258 bytes] ‎Webref (talk | contribs) (Created page with "The person in charge of the shaft and cage or skip at the surface of a colliery; the person at the surface who operates the signals from the cage or skip to the winding engine...")
12:18, 10 November 2020 ‎Bank-full stage (hist) ‎[224 bytes] ‎Webref (talk | contribs) (Created page with "Stage of flow at which a stream fills its channel up to level of its bank. Recurrence interval averages 1.5 to 2 years. Source: Leet, L. Don. 1982.Physical Geology, 6t...")
12:17, 10 November 2020 ‎Banket (hist) ‎[673 bytes] ‎Webref (talk | contribs) (Created page with "# A general term for a compact, siliceous conglomerate of vein-quartz pebbles about the size of a pigeon's egg, embedded in a quartzitic matrix. The term was originally applie...")
12:17, 10 November 2020 ‎Banker off (hist) ‎[129 bytes] ‎Webref (talk | contribs) (Created page with "Aust. The worker who attends to taking skips off the cage. Fay Source: Dictionary of Mining, Mineral, and Related Terms")
12:17, 10 November 2020 ‎Banka drill (hist) ‎[200 bytes] ‎Webref (talk | contribs) (Created page with "A portable, manually operated system used in prospecting alluvial deposits to depths of 50 ft (15.2 m) or more. Also known as an Empire drill. Source: Dictionary of Mining, M...")
12:16, 10 November 2020 ‎Bank yards (hist) ‎[150 bytes] ‎Webref (talk | contribs) (Created page with "Yards of soil or rock measured in its original position, before digging. Nichols, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
12:16, 10 November 2020 ‎Bank water (hist) ‎[159 bytes] ‎Webref (talk | contribs) (Created page with "In placer mining, applied to streams brought to the pit in ditches, not under pressure. Hess Source: Dictionary of Mining, Mineral, and Related Terms")
12:16, 10 November 2020 ‎Bank slope stability (hist) ‎[608 bytes] ‎Webref (talk | contribs) (Created page with "A slope is subject to the influence of gravity and possible pressure of ground water, which tend to cause sliding or caving. It is also subject to surface erosion from running...")
12:16, 10 November 2020 ‎Bank slope (hist) ‎[255 bytes] ‎Webref (talk | contribs) (Created page with "The angle, measured in degrees of deviation from the horizontal, at which the earthy or rock material will stand in an excavated, terracelike cut in an open-pit mine or quarry...")
12:15, 10 November 2020 ‎Bank right (hist) ‎[127 bytes] ‎Webref (talk | contribs) (Created page with "The right to divert water for working a bank claim. Pryor, 3 Source: Dictionary of Mining, Mineral, and Related Terms")
12:15, 10 November 2020 ‎Bank pump (hist) ‎[198 bytes] ‎Webref (talk | contribs) (Created page with "An auxiliary pump placed on the bank of a stream or a lake and used to pump water to a distant drill. Also called supply pump. Long Source: Dictionary of Mining, Min...")
12:15, 10 November 2020 ‎Bank protection (hist) ‎[241 bytes] ‎Webref (talk | contribs) (Created page with "Devices for minimizing scour. These include brushwood held in place by wooden pegs, embankments, grass and withy planting, groins, mattresses, revetments, and riprap. Hamm...")
12:14, 10 November 2020 ‎Bank of ovens (hist) ‎[116 bytes] ‎Webref (talk | contribs) (Created page with "A row of ovens for converting coal into coke. Fay Source: Dictionary of Mining, Mineral, and Related Terms")
12:14, 10 November 2020 ‎Bank of cells (hist) ‎[109 bytes] ‎Webref (talk | contribs) (Created page with "A row of flotation cells in line. Pryor, 4 Source: Dictionary of Mining, Mineral, and Related Terms")
12:14, 10 November 2020 ‎Bank mining (hist) ‎[169 bytes] ‎Webref (talk | contribs) (Created page with "Surface mining in which the material mined is removed from above the surrounding land surface. AIME, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
12:14, 10 November 2020 ‎Bank measure (hist) ‎[244 bytes] ‎Webref (talk | contribs) (Created page with "# The quantity of an excavation measured in place in the bank before being disturbed. Carson, 1 # Volume of soil or rock in its original place in the ground. Nich...")
12:13, 10 November 2020 ‎Bank height (hist) ‎[223 bytes] ‎Webref (talk | contribs) (Created page with "The vertical height of a bank as measured between its highest point or crest and its toe at the digging level or bench. CF: berm bench height; digging height. Source:...")
12:12, 10 November 2020 ‎Bank head (hist) ‎[228 bytes] ‎Webref (talk | contribs) (Created page with "# The upper end of an inclined plane, next to the engine or drum, made nearly level. Zern # The mouth and immediate environs of a coal mine. Webster 3rd Sou...")
12:11, 10 November 2020 ‎Bank gravel (hist) ‎[162 bytes] ‎Webref (talk | contribs) (Created page with "Gravel found in natural deposits, usually more or less intermixed with sand, silt, or clay. AGI Source: Dictionary of Mining, Mineral, and Related Terms")
12:11, 10 November 2020 ‎Bank engine (hist) ‎[123 bytes] ‎Webref (talk | contribs) (Created page with "Eng. An engine at the mouth of a mine shaft. Standard, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
12:11, 10 November 2020 ‎Bank coal (hist) ‎[128 bytes] ‎Webref (talk | contribs) (Created page with "Coal contained in, and sometimes salvaged from, the bank. BCI Source: Dictionary of Mining, Mineral, and Related Terms")
12:11, 10 November 2020 ‎Bank claim (hist) ‎[97 bytes] ‎Webref (talk | contribs) (Created page with "A mining claim on the bank of a stream. Source: Dictionary of Mining, Mineral, and Related Terms")
12:10, 10 November 2020 ‎Bank (hist) ‎[857 bytes] ‎Webref (talk | contribs) (Created page with "# A large pile of mineral material on the ground surface, as in heap leaching. # Several like pieces of equipment set close together, as a bank of flotation cells, hydrocyclon...")
12:08, 10 November 2020 ‎Bandylite (hist) ‎[143 bytes] ‎Webref (talk | contribs) (Created page with "A tetragonal mineral, CuB(OH)4 Cl ; occurs as dark blue crystals in Chile. Source: Dictionary of Mining, Mineral, and Related Terms")
12:08, 10 November 2020 ‎Bandy metal (hist) ‎[106 bytes] ‎Webref (talk | contribs) (Created page with "Shale with thin sandstone bands. Arkell Source: Dictionary of Mining, Mineral, and Related Terms")
12:07, 10 November 2020 ‎Banded-quartz hematite (hist) ‎[76 bytes] ‎Webref (talk | contribs) (Created page with "See: itabirite Source: Dictionary of Mining, Mineral, and Related Terms")
12:06, 10 November 2020 ‎Banded vein (hist) ‎[167 bytes] ‎Webref (talk | contribs) (Created page with "A vein made up of layers of different minerals parallel with the walls. Also called ribbon vein. Fay Source: Dictionary of Mining, Mineral, and Related Terms")
12:06, 10 November 2020 ‎Banded texture (hist) ‎[77 bytes] ‎Webref (talk | contribs) (Created page with "See: banded ore Source: Dictionary of Mining, Mineral, and Related Terms")
12:05, 10 November 2020 ‎Banded structure (hist) ‎[668 bytes] ‎Webref (talk | contribs) (Created page with "# An outcrop feature developed in igneous and metamorphic rocks as a result of alternation of layers, stripes, flat lenses, or streaks differing conspicuously in mineral compo...")
12:05, 10 November 2020 ‎Banded quartz-hematite ore (hist) ‎[419 bytes] ‎Webref (talk | contribs) (Created page with "Braz. In the Itabira Region of Minas Gerais, schistose, specular hematite forming alternate bands with sugary quartz. Some of the beds are auriferous and contain gold-palladiu...")
12:05, 10 November 2020 ‎Banded peat (hist) ‎[164 bytes] ‎Webref (talk | contribs) (Created page with "Peat composed of bands of vegetable debris alternating with bands of sapropelic matter. Tomkeieff Source: Dictionary of Mining, Mineral, and Related Terms")
12:05, 10 November 2020 ‎Banded ore (hist) ‎[248 bytes] ‎Webref (talk | contribs) (Created page with "Ore composed of bands as layers that may be composed of the same minerals differing in color, textures, or proportions, or they may be composed of different minerals. Syn: b...")
12:04, 10 November 2020 ‎Banded obsidian (hist) ‎[108 bytes] ‎Webref (talk | contribs) (Created page with "Obsidian with differently colored irregular bands. Source: Dictionary of Mining, Mineral, and Related Terms")
12:04, 10 November 2020 ‎Banded ironstone (hist) ‎[339 bytes] ‎Webref (talk | contribs) (Created page with "A term used in South Africa for iron formation consisting essentially of iron oxides and chert occurring in prominent layers or bands of brown or red and black. This usage of...")
12:03, 10 November 2020 ‎Banded iron formation (hist) ‎[390 bytes] ‎Webref (talk | contribs) (Created page with "# A rock that is made up of alternating light silica-rich layers and dark-colored layers of iron-rich minerals, which were deposited in marine basins on every continent abou...")
12:03, 10 November 2020 ‎Banded ingredient (hist) ‎[384 bytes] ‎Webref (talk | contribs) (Created page with "One of the four distinctive and visibly differing portions forming the mass of an ordinary bituminous coal that can be recognized and separated macroscopically by hand, and mi...")
12:02, 10 November 2020 ‎Banded differentiate (hist) ‎[282 bytes] ‎Webref (talk | contribs) (Created page with "Any igneous rock made up of bands of differing chemical or mineral composition, usually an alternation of two rock types; a layered intrusion. The structure has been attribute...")
12:02, 10 November 2020 ‎Banded coal (hist) ‎[644 bytes] ‎Webref (talk | contribs) (Created page with "# The common variety of bituminous and subbituminous coal. It consists of a sequence of irregularly alternating layers or lenses of homogeneous black material having a brillia...")
12:01, 10 November 2020 ‎Banded agate (hist) ‎[287 bytes] ‎Webref (talk | contribs) (Created page with "Agate in colors disposed in parallel or subparallel bands, more or less wavy or sinuous. Most agate in the trade is dyed, and bands are of differing tones due to varying capac...")
12:01, 10 November 2020 ‎Banded (hist) ‎[244 bytes] ‎Webref (talk | contribs) (Created page with "The property of rocks having thin and nearly parallel bands of different textures, colors, or minerals. Banded coal has alternating bands of different types. Johannsen; Pr...")
12:01, 10 November 2020 ‎Band wander (hist) ‎[294 bytes] ‎Webref (talk | contribs) (Created page with "In concentration on shaking table, the movement of a segregated band of mineral so that it no longer discharges from the table deck at the desired point and therefore is not c...")
12:00, 10 November 2020 ‎Band scale (hist) ‎[245 bytes] ‎Webref (talk | contribs) (Created page with "An arrangement by which colliers are paid an agreed sum for removing a dirt band, in addition to the usual tonnage rate. The payment varies with the thickness of the band. <i...")
11:59, 10 November 2020 ‎Band conveyor (hist) ‎[80 bytes] ‎Webref (talk | contribs) (Created page with "See: belt conveyor Source: Dictionary of Mining, Mineral, and Related Terms")
11:59, 10 November 2020 ‎Band chain (hist) ‎[209 bytes] ‎Webref (talk | contribs) (Created page with "A steel or invar tape of a minimum length of 100 ft (30.5 m) used for accurate surveying, graduated in feet. See also: reglette Hammond Source: Dictionary of...")
11:56, 10 November 2020 ‎Banalsite (hist) ‎[162 bytes] ‎Webref (talk | contribs) (Created page with "An orthorhombic mineral, BaNa2 Al4 Si4 O16 ; feldspar group. Source: Dictionary of Mining, Mineral, and Related Terms")
11:56, 10 November 2020 ‎Banakite (hist) ‎[489 bytes] ‎Webref (talk | contribs) (Created page with "A basaltic rock composed of olivine and clinopyroxene phenocrysts in a groundmass of labradorite with alkali feldspar rims, olivine, clinopyroxene, some leucite, and possibly...")
11:56, 10 November 2020 ‎Baltimorite (hist) ‎[174 bytes] ‎Webref (talk | contribs) (Created page with "A grayish-green and silky, fibrous, or splintery variety of serpentine; near Baltimore, MD. See also: antigorite Source: Dictionary of Mining, Mineral, and Related Terms")
11:56, 10 November 2020 ‎Balnstone (hist) ‎[124 bytes] ‎Webref (talk | contribs) (Created page with "Eng. Stone in the roof of a coal seam; roof stone. Arkell Source: Dictionary of Mining, Mineral, and Related Terms")
11:55, 10 November 2020 ‎Balmaiden (hist) ‎[115 bytes] ‎Webref (talk | contribs) (Created page with "Corn. A woman employed in the mines. Standard, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
11:46, 10 November 2020 ‎Bally seating (hist) ‎[109 bytes] ‎Webref (talk | contribs) (Created page with "Underclay with nodular concretions. Arkell Source: Dictionary of Mining, Mineral, and Related Terms")
11:46, 10 November 2020 ‎Ballstone (hist) ‎[393 bytes] ‎Webref (talk | contribs) (Created page with "#An ancient term for ironstone, North Staffordshire, U.K. #A large crystalline mass of limestone containing coral in position of growth, surrounded by shale and impure bedded...")
11:45, 10 November 2020 ‎Balls (hist) ‎[333 bytes] ‎Webref (talk | contribs) (Created page with "#Common name for nodules, esp. of ironstone. Arkell #In fine grinding, crushing bodies used in a ball mill. Cast or forged iron or steel, or alloy of iron with molybd...")
11:45, 10 November 2020 ‎Ball-Norton magnetic separator (hist) ‎[209 bytes] ‎Webref (talk | contribs) (Created page with "Dry separator for coarse ore, in which one or two nonmagnetic drums rotate outside a series of fixed magnets alternating in polarity. Pryor, 3 Source: Dictionary of...")
11:44, 10 November 2020 ‎Ballistite (hist) ‎[214 bytes] ‎Webref (talk | contribs) (Created page with "A smokeless powder consisting essentially of soluble cellulose nitrates and nitroglycerin in approx. equal parts. Syn: balistite Webster 3rd Source: Dictionar...")
11:44, 10 November 2020 ‎Ballistic mortar test (hist) ‎[474 bytes] ‎Webref (talk | contribs) (Created page with "A laboratory instrument used for measuring the relative weight strength of an explosive material. Also, a test in which a standard weight of explosive is placed within a small...")
11:44, 10 November 2020 ‎Balling tool (hist) ‎[202 bytes] ‎Webref (talk | contribs) (Created page with "A tool used in collecting the iron in a puddling furnace into a mass, preparatory to taking it to the hammer or squeezer; a rabble. Fay Source: Dictionary of Mining,...")
11:43, 10 November 2020 ‎Balling furnace (hist) ‎[240 bytes] ‎Webref (talk | contribs) (Created page with "# A kind of reverberatory furnace used in alkali works. Fay # A furnace in which piles or fagots of wrought iron are placed to be heated preparatory to rolling. F...")
11:41, 10 November 2020 ‎Balling formation (hist) ‎[272 bytes] ‎Webref (talk | contribs) (Created page with "Rock or formations that, when drilled, produce cuttings and sludge that tend to collect on, and adhere to, borehole walls and drill-stem equipment in sticky or gummy masses. C...")
11:38, 10 November 2020 ‎Balling (hist) ‎[257 bytes] ‎Webref (talk | contribs) (Created page with "# A process that occurs in the cementite constituent of steels on prolonged annealing at 650 to 700 degrees C. CTD # The operation of forming balls in a puddling furn...")
11:37, 10 November 2020 ‎Ballers (hist) ‎[279 bytes] ‎Webref (talk | contribs) (Created page with "White sand with large spheroidal masses of calciferous sandstone called sand ballers or giants' marbles, some being 3 to 6 ft (approx. 1 to 2 m) in diameter. (Possibly a varia...")
11:36, 10 November 2020 ‎Ballast shovel (hist) ‎[127 bytes] ‎Webref (talk | contribs) (Created page with "A spoon-pointed iron shovel having a thick body. Standard, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
11:36, 10 November 2020 ‎Ballast engine (hist) ‎[171 bytes] ‎Webref (talk | contribs) (Created page with "A steam engine used in excavating and for digging and raising stones and gravel for ballast. Webster 3rd Source: Dictionary of Mining, Mineral, and Related Terms")
11:33, 10 November 2020 ‎Ballast car (hist) ‎[164 bytes] ‎Webref (talk | contribs) (Created page with "A freight car (as for carrying ballast) that may be unloaded from the side or bottom. Webster 3rd Source: Dictionary of Mining, Mineral, and Related Terms")
11:32, 10 November 2020 ‎Ballast (hist) ‎[565 bytes] ‎Webref (talk | contribs) (Created page with "# Broken stone, gravel, water, or other heavy material used to provide weight in a ship or other machine and therefore improve its stability or control its draft. Jettisoned b...")
11:31, 10 November 2020 ‎Ballas (hist) ‎[721 bytes] ‎Webref (talk | contribs) (Created page with "# A hard, spherical aggregate of many very small diamond crystals, usually cryptocrystalline, arranged radially and more or less concentrically around a central point. Because...")
11:29, 10 November 2020 ‎Ball-and-socket reamer (hist) ‎[283 bytes] ‎Webref (talk | contribs) (Created page with "A borehole-reaming device consisting of a bit attached to a ball-and-socket or a knuckle-joint member, that in turn is connected to the drill rods and used in borehole-deviati...")
11:28, 10 November 2020 ‎Ball vein (hist) ‎[140 bytes] ‎Webref (talk | contribs) (Created page with "A stratum in which siderite concretions occur; also, the ore itself. Hess Source: Dictionary of Mining, Mineral, and Related Terms")
11:27, 10 November 2020 ‎Ball stamp (hist) ‎[148 bytes] ‎Webref (talk | contribs) (Created page with "A rock-crushing stamp whose stem is the piston rod of a steam cylinder. Syn: ball head Source: Dictionary of Mining, Mineral, and Related Terms")
11:25, 10 November 2020 ‎Ball sizing (hist) ‎[364 bytes] ‎Webref (talk | contribs) (Created page with "Sizing and finishing a hole by forcing a ball of suitable size, finish, and hardness through the hole or by using a burnishing bar or broach consisting of a series of spherica...")
11:25, 10 November 2020 ‎Ball milling (hist) ‎[239 bytes] ‎Webref (talk | contribs) (Created page with "A method of grinding and mixing material, with or without liquid, in a rotating cylinder or conical mill partially filled with grinding media such as balls or pebbles. AST...")
11:24, 10 November 2020 ‎Ball mill method (hist) ‎[322 bytes] ‎Webref (talk | contribs) (Created page with "A grindability method based on the principle that all coals are ground to the same fineness, about that required for pulverized fuels, and then using the relative amounts of e...")
11:22, 10 November 2020 ‎Ball mill grindability test (hist) ‎[269 bytes] ‎Webref (talk | contribs) (Created page with "Crushed particles of a given size range are placed in a ball mill; the reduction in size of particles for a given number of revolutions of the mill is interpreted in terms of...")
11:21, 10 November 2020 ‎Ball mill (hist) ‎[346 bytes] ‎Webref (talk | contribs) (Created page with "A rotating horizontal cylinder with a diameter almost equal to the length, supported by a frame or shaft, in which nonmetallic materials are ground using various types of grin...")
11:01, 10 November 2020 ‎Ball jasper (hist) ‎[147 bytes] ‎Webref (talk | contribs) (Created page with "# Jasper showing concentric red and yellow bands. # Jasper occurring in spherical masses. Source: Dictionary of Mining, Mineral, and Related Terms")
11:00, 10 November 2020 ‎Ball ironstone (hist) ‎[154 bytes] ‎Webref (talk | contribs) (Created page with "# A sedimentary rock containing large argillaceous nodules of ironstone. AGI # Nodular iron ore. Source: Dictionary of Mining, Mineral, and Related Terms")
11:00, 10 November 2020 ‎Ball head (hist) ‎[73 bytes] ‎Webref (talk | contribs) (Created page with "See: ball stamp Source: Dictionary of Mining, Mineral, and Related Terms")
10:59, 10 November 2020 ‎Ball grinder (hist) ‎[150 bytes] ‎Webref (talk | contribs) (Created page with "A pulverizer or disintegrator consisting of metal balls enclosed in a rotating cylinder. Fay Source: Dictionary of Mining, Mineral, and Related Terms")
10:59, 10 November 2020 ‎Ball clay (hist) ‎[558 bytes] ‎Webref (talk | contribs) (Created page with "A highly plastic, sometimes refractory clay, commonly characterized by the presence of organic matter, having unfired colors ranging from light buff to various shades of gray,...")
10:58, 10 November 2020 ‎Ball burnishing (hist) ‎[173 bytes] ‎Webref (talk | contribs) (Created page with "# See also: ball sizing # Removing burrs and polishing small stampings and small machined parts by tumbling. ASM, 1 Source: Dictionary of Mining, Mineral, and Related Terms")
10:58, 10 November 2020 ‎Ball bearing (hist) ‎[325 bytes] ‎Webref (talk | contribs) (Created page with "A friction-reducing device consisting of hard steel balls in a circular race; also applied to some pieces of equipment, such as a swivel-type double-tube core barrel, in diamo...")
10:58, 10 November 2020 ‎Ball and test (hist) ‎[227 bytes] ‎Webref (talk | contribs) (Created page with "A deep well pump valve in which a ball fits into a seat and prevents the backflow of oil or water. Each standing valve and each traveling valve has a ball and seat. Hess Sour...")
10:50, 10 November 2020 ‎Ball (hist) ‎[246 bytes] ‎Webref (talk | contribs) (Created page with "# A rounded mass of spongy iron, prepared in a puddling furnace; a loup. Fay # A mass of tempered fire clay, used for forming the crucible in crucible-steel production. See al...")
10:44, 10 November 2020 ‎Balkstone (hist) ‎[191 bytes] ‎Webref (talk | contribs) (Created page with "# Eng. A provincial name given to an impure stratified limestone. Fay # Sandstone used for whetstone. Also called balkerstone. Arkell Source: Dictionary of Mining, Mineral, a...")
10:43, 10 November 2020 ‎Balistite (hist) ‎[73 bytes] ‎Webref (talk | contribs) (Created page with "See: ballistite Source: Dictionary of Mining, Mineral, and Related Terms")
10:43, 10 November 2020 ‎Bald-headed anticline (hist) ‎[193 bytes] ‎Webref (talk | contribs) (Created page with "An anticline whose crest has been eroded prior to deposition of an unconformably overlying sedimentary unit. CF: breached anticline AGI Source: Dictionary of Mining, Mineral,...")
10:42, 10 November 2020 ‎Bald (hist) ‎[117 bytes] ‎Webref (talk | contribs) (Created page with "Without framing; said of a mine timber that has a flat end. Source: Dictionary of Mining, Mineral, and Related Terms")
10:41, 10 November 2020 ‎Balbach process (hist) ‎[198 bytes] ‎Webref (talk | contribs) (Created page with "Electrolytic separation of gold from silver, using the alloy as anode, graphite plate cathodes, and silver nitrate solution as bath. Bennett Source: Dictionary of Mining, Min...")
16:53, 4 November 2020 ‎Balata belt (hist) ‎[318 bytes] ‎Webref (talk | contribs) (Created page with "A belt with normal multi-ply construction, and in which balata is used to impregnate the plies and provide cover. It cannot be used in high temperatures but possesses a very h...")
16:52, 4 November 2020 ‎Balas ruby (hist) ‎[192 bytes] ‎Webref (talk | contribs) (Created page with "A pale rose-red or orange variety of spinel in Badakhshan (Balascia) Province of northern Afghanistan. Syn: balas; ballas; false ruby. Source: Dictionary of Mining, Mineral,...")
16:52, 4 November 2020 ‎Balas (hist) ‎[77 bytes] ‎Webref (talk | contribs) (Created page with "See: balas ruby Source: Dictionary of Mining, Mineral, and Related Terms")
16:52, 4 November 2020 ‎Balanced winding (hist) ‎[430 bytes] ‎Webref (talk | contribs) (Created page with "The conventional method of winding in a mine shaft. As the cage containing the loaded cars ascends, the other cage containing the empties descends, and thus the cages and cars...")
16:50, 4 November 2020 ‎Balanced vibrating conveyor (hist) ‎[235 bytes] ‎Webref (talk | contribs) (Created page with "A vibrating conveyor in which the center of gravity of the complete assembly is held constant by having movement of the trough offset by opposite movement of some other elemen...")
16:49, 4 November 2020 ‎Balanced ventilation (hist) ‎[372 bytes] ‎Webref (talk | contribs) (Created page with "A system of ventilation in which the districts (each with its separate split) are so arranged with regard to length and resistance, that the use of ventilation regulators is u...")
16:49, 4 November 2020 ‎Balanced hoisting (hist) ‎[237 bytes] ‎Webref (talk | contribs) (Created page with "Arrangement of cages or skips in mine shaft in which the winding drum raises one and at the same time lowers the other, thus reducing power consumption. See also: balanced win...")
16:49, 4 November 2020 ‎Balanced draft (hist) ‎[243 bytes] ‎Webref (talk | contribs) (Created page with "Applied to combustion units in which forced and induced drafts are adjusted to give atmospheric pressure in the combustion chamber to avoid the infiltration of unwanted cold a...")
16:49, 4 November 2020 ‎Balanced direct-rope haulage (hist) ‎[435 bytes] ‎Webref (talk | contribs) (Created page with "A modified form of direct-rope haulage, in which a power-driven reversible pulley (surge pulley) is used instead of a drum. The full trams are hauled up on one end of the rope...")
16:48, 4 November 2020 ‎Balanced cutter chain (hist) ‎[266 bytes] ‎Webref (talk | contribs) (Created page with "A cutter chain that has the same number of bottom and top picks. It usually cuts more freely in hard material and is often used for cutting at higher than floor level. See als...")
16:48, 4 November 2020 ‎Balance shot (hist) ‎[169 bytes] ‎Webref (talk | contribs) (Created page with "In coal mining, a shot for which the drill hole is parallel to the face of the coal that is to be broken by it. Source: Dictionary of Mining, Mineral, and Related Terms")
16:48, 4 November 2020 ‎Balance sheet (hist) ‎[177 bytes] ‎Webref (talk | contribs) (Created page with "A record showing the present financial obligations and resources of the company, in terms of cost or book value. Hoover Source: Dictionary of Mining, Mineral, and Related Terms")
16:34, 4 November 2020 ‎Balance rope (hist) ‎[376 bytes] ‎Webref (talk | contribs) (Created page with "A steel-wire rope, generally of the same weight per foot as the main winding rope, that is attached to the bottom of the cages, and extends down to form a loop in the shaft bo...")
16:34, 4 November 2020 ‎Balance plane (hist) ‎[75 bytes] ‎Webref (talk | contribs) (Created page with "See: balance brow Source: Dictionary of Mining, Mineral, and Related Terms")
16:32, 4 November 2020 ‎Balance pit (hist) ‎[147 bytes] ‎Webref (talk | contribs) (Created page with "Eng. A pit or shaft in which a balance (counterweight) rises and falls. See also: balance Source: Dictionary of Mining, Mineral, and Related Terms")
16:31, 4 November 2020 ‎Balance car (hist) ‎[511 bytes] ‎Webref (talk | contribs) (Created page with "#In quarrying, a car loaded with iron or stone and connected by means of a steel cable with a channeling machine operating on an inclined track. Its purpose is to counteract t...")
16:48, 3 November 2020 ‎Balance brow (hist) ‎[327 bytes] ‎Webref (talk | contribs) (Created page with "#A self-acting inclined plane down which the cars of coal are lowered and the empties elevated upon a carriage or platform. Also called balance plane; back balance. #Eng. An i...")
16:11, 3 November 2020 ‎Balance bob (hist) ‎[199 bytes] ‎Webref (talk | contribs) (Created page with "A counterbalance to take the excess weight of the pitwork, or timber beams, in a shaft; used with the Cornish type of reciprocating pump. CTD Source: Dictionary of Mining, Mi...")
16:07, 3 November 2020 ‎Bal (hist) ‎[104 bytes] ‎Webref (talk | contribs) (Created page with "A Cornish name for a mine; a cluster of mines. Source: Dictionary of Mining, Mineral, and Related Terms")
15:45, 3 November 2020 ‎Baking (hist) ‎[577 bytes] ‎Webref (talk | contribs) (Created page with "#A stage in the heating of a clay when the clay particles have lost plasticity and have formed a moderately hard mass composed of particles adhering together, the mass remaini...")
15:44, 3 November 2020 ‎Bakerite (hist) ‎[226 bytes] ‎Webref (talk | contribs) (Created page with "A monoclinic mineral, Ca4 B4 (BO4 )(SiO4 ) 3 (OH)3 .H2 O ; gadolinite group; in white compact nodules resembling marble or unglazed porcelain; in the Mohave Desert, CA. Sourc...")
15:44, 3 November 2020 ‎Bajo (hist) ‎[177 bytes] ‎Webref (talk | contribs) (Created page with "Colom. Low-lying alluvial mines that have to be unwatered by artificial means; generally deposits in present riverbeds. Source: Dictionary of Mining, Mineral, and Related Terms")
15:44, 3 November 2020 ‎Bajada (hist) ‎[784 bytes] ‎Webref (talk | contribs) (Created page with "#A broad, continuous alluvial slope or gently inclined detrital surface extending from the base of mountain ranges out into and around an inland basin, formed by the lateral c...")
15:43, 3 November 2020 ‎Baja de metales (hist) ‎[99 bytes] ‎Webref (talk | contribs) (Created page with "Peru. Lowering of ores from mine to mill. Source: Dictionary of Mining, Mineral, and Related Terms")
15:43, 3 November 2020 ‎Bailing (hist) ‎[326 bytes] ‎Webref (talk | contribs) (Created page with "#Removal of the cuttings from a well during cable-tool drilling or of liquid from a well by means of a bailer. Inst. Petrol. #Dewatering a mine. See also: bailer #Removing roc...")
15:42, 3 November 2020 ‎Bailiff (hist) ‎[106 bytes] ‎Webref (talk | contribs) (Created page with "Eng. A name formerly used for manager of a mine. Source: Dictionary of Mining, Mineral, and Related Terms")
15:40, 3 November 2020 ‎Bail (hist) ‎[929 bytes] ‎Webref (talk | contribs) (Created page with "#As used by churn drillers, to remove a liquid from a borehole by use of a tubular container attached to a wire line. See also: bailer #The handle on a bucket, cage, or skip b...")
15:39, 3 November 2020 ‎Baikerite (hist) ‎[201 bytes] ‎Webref (talk | contribs) (Created page with "#A waxlike mineral from the vicinity of Lake Baikal, Russia, apparently about 60% ozocerite. Fay #A variety of ozocerite. See also: baikerinite Source: Dictionary of Mining,...")
15:39, 3 November 2020 ‎Baikerinite (hist) ‎[194 bytes] ‎Webref (talk | contribs) (Created page with "A thick, tarry hydrocarbon that makes up about one-third of baikerite and from which it may be separated by alcohol. See also: baikerite Source: Dictionary of Mining, Mineral...")
15:38, 3 November 2020 ‎Baikalite (hist) ‎[139 bytes] ‎Webref (talk | contribs) (Created page with "A dark-green variety of diopside containing iron; found near Lake Baikal, Russia. Source: Dictionary of Mining, Mineral, and Related Terms")
15:38, 3 November 2020 ‎Bahada (hist) ‎[73 bytes] ‎Webref (talk | contribs) (Created page with "See: bajada Source: Dictionary of Mining, Mineral, and Related Terms")
15:38, 3 November 2020 ‎Baghouse (hist) ‎[230 bytes] ‎Webref (talk | contribs) (Created page with "Chamber in which exit gases from roasting, smelting, melting, or calcining are filtered through membranes (bags) that arrest solids such as fine particulates. See also: bag S...")
15:37, 3 November 2020 ‎Bag process (hist) ‎[279 bytes] ‎Webref (talk | contribs) (Created page with "A method of recovering flue dust and also sublimed lead, whereby furnace gases and fumes are passed through bags suspended in a baghouse. The furnace gases thus are filtered,...")
15:37, 3 November 2020 ‎Bag powder (hist) ‎[280 bytes] ‎Webref (talk | contribs) (Created page with "Originally applied to black powder loaded in bags, but now applied to a number of explosives so packed. The bags are long, cylindrical units about 6 in (15 cm) in diameter and...")
15:36, 3 November 2020 ‎Bag of gas (hist) ‎[124 bytes] ‎Webref (talk | contribs) (Created page with "Eng. A gas-filled cavity found in seams of coal. See also: bag Source: Dictionary of Mining, Mineral, and Related Terms")
15:36, 3 November 2020 ‎Bag of foulness (hist) ‎[212 bytes] ‎Webref (talk | contribs) (Created page with "N. of Eng. A cavity in a coal seam filled with combustible gases under a high pressure, which, when cut into, are given off with much force. See also: bag Source: Dictionary...")
15:35, 3 November 2020 ‎Bag filter (hist) ‎[222 bytes] ‎Webref (talk | contribs) (Created page with "An apparatus for removing dust from dust-laden air, employing cylinders of closely woven material that permit passage of air but retain solid particles. Syn: filter Source: D...")
15:35, 3 November 2020 ‎Bag (hist) ‎[808 bytes] ‎Webref (talk | contribs) (Created page with "#A paper container roughly 2.5 to 5 cm in diameter and 20 to 46 cm long, used for placing an inert material, such as sand, clay, etc., into a borehole for stemming or tamping....")
15:35, 3 November 2020 ‎Baffler (hist) ‎[146 bytes] ‎Webref (talk | contribs) (Created page with "A partition in a furnace so placed as to aid the convection of heat; a baffle plate. Fay Source: Dictionary of Mining, Mineral, and Related Terms")
15:34, 3 November 2020 ‎Baffle wall (hist) ‎[187 bytes] ‎Webref (talk | contribs) (Created page with "A refractory wall used to deflect gases or flames from the ware and to provide better heat distribution in the furnace structure. Source: Dictionary of Mining, Mineral, and R...")
15:32, 3 November 2020 ‎Baffle tube (hist) ‎[161 bytes] ‎Webref (talk | contribs) (Created page with "A pipe of sufficient length to lower the temperature of hot gases before the gases enter a furnace. CTD Source: Dictionary of Mining, Mineral, and Related Terms")
15:31, 3 November 2020 ‎Baffle plate (hist) ‎[447 bytes] ‎Webref (talk | contribs) (Created page with "#A loading plate attached to the frame of a belt conveyor to prevent spillage at any loading point. Jones, 1 #A tray or partition placed in a tower, a heat exchanger, or other...")
15:31, 3 November 2020 ‎Baffle board (hist) ‎[184 bytes] ‎Webref (talk | contribs) (Created page with "A board fitted across a compartment in an ore washer to retain the heavy ore and allow the light material to flow away. Nelson Source: Dictionary of Mining, Mineral, and Rela...")
15:31, 3 November 2020 ‎Baff ends (hist) ‎[163 bytes] ‎Webref (talk | contribs) (Created page with "Long wooden edges for adjusting linings in sinking shafts during the operation of fixing the lining. Zern Source: Dictionary of Mining, Mineral, and Related Terms")
15:30, 3 November 2020 ‎Baeumlerite (hist) ‎[190 bytes] ‎Webref (talk | contribs) (Created page with "A colorless chloride of potassium and calcium, KCl.CaCl2 . Intergrown with halite and tachyhydrite. Orthorhombic. Syn: chlorocalcite Source: Dictionary of Mining, Mineral, an...")
15:22, 3 November 2020 ‎Badlands (hist) ‎[317 bytes] ‎Webref (talk | contribs) (Created page with "A region nearly devoid of vegetation where erosion has produced, usually in unconsolidated or poorly cemented clays and silts, a dense and intricate drainage pattern with shor...")
15:21, 3 November 2020 ‎Baddeleyite (hist) ‎[141 bytes] ‎Webref (talk | contribs) (Created page with "A monoclinic mineral, ZrO2 ; may contain some hafnium, titanium, iron, and thorium. Source: Dictionary of Mining, Mineral, and Related Terms")
15:21, 3 November 2020 ‎Bad top (hist) ‎[155 bytes] ‎Webref (talk | contribs) (Created page with "A coal mining term indicating a weak roof. Bad top sometimes develops following a blast. Kentucky Source: Dictionary of Mining, Mineral, and Related Terms")
15:21, 3 November 2020 ‎Bad air (hist) ‎[122 bytes] ‎Webref (talk | contribs) (Created page with "Air vitiated by powder fumes, noxious gases, or respirable dust. Source: Dictionary of Mining, Mineral, and Related Terms")
15:20, 3 November 2020 ‎Baculite (hist) ‎[103 bytes] ‎Webref (talk | contribs) (Created page with "A crystallite that appears as a dark rod. AGI Source: Dictionary of Mining, Mineral, and Related Terms")
15:20, 3 November 2020 ‎Bacon stone (hist) ‎[219 bytes] ‎Webref (talk | contribs) (Created page with "#Eng. Calcspar colored with iron oxide, Bristol. Arkell #An old name for a variety of steatite (rock gypsum), alluding to its greasy luster. See also: speckstone Source: Dict...")
15:20, 3 November 2020 ‎Bacon (hist) ‎[157 bytes] ‎Webref (talk | contribs) (Created page with "Eng. Fibrous carbonate of lime, also known as beef and horseflesh; Isle of Portland. See also: beef Source: Dictionary of Mining, Mineral, and Related Terms")
15:20, 3 November 2020 ‎Backwash (hist) ‎[380 bytes] ‎Webref (talk | contribs) (Created page with "#In uranium leaching, flushing from below of colloidal slime from ion exchange column after adsorption cycle. The cleaning of sand filters. #Water or waves thrown back by an o...")
15:19, 3 November 2020 ‎Backwardation (hist) ‎[498 bytes] ‎Webref (talk | contribs) (Created page with "The situation when the cash or spot price of a metal is greater than its forward price. A backwardation occurs when a tight nearby situation exists in a metal. The size of the...")
15:19, 3 November 2020 ‎Backward folding (hist) ‎[78 bytes] ‎Webref (talk | contribs) (Created page with "See: backfolding Source: Dictionary of Mining, Mineral, and Related Terms")
15:18, 3 November 2020 ‎Backup gear (hist) ‎[80 bytes] ‎Webref (talk | contribs) (Created page with "See: reverse-feed gear Source: Dictionary of Mining, Mineral, and Related Terms")
15:17, 3 November 2020 ‎Backswamp (hist) ‎[145 bytes] ‎Webref (talk | contribs) (Created page with "The section of a floodplain where deposits of fine silts and clays settle after a flood. Backswamps usually lie behind a stream's natural levees.")
15:17, 3 November 2020 ‎Backstroke jigging (hist) ‎[237 bytes] ‎Webref (talk | contribs) (Created page with "A process in which strong suction is advocated at all times with the dense-medium process, since none of the bone medium must be allowed to get over into the washed coal. Mitc...")
15:16, 3 November 2020 ‎Backstone (hist) ‎[188 bytes] ‎Webref (talk | contribs) (Created page with "Eng. Shaly mudstone used for cooking slabs, quarried near Delph, Yorkshire. Also, a bed in the Staffordshire Coal Measures. Arkell Source: Dictionary of Mining, Mineral, and...")
15:16, 3 November 2020 ‎Backstay (hist) ‎[180 bytes] ‎Webref (talk | contribs) (Created page with "A drag or trailer fixed at the back of a haulage train (or set) as a safety device when going uphill. See also: drag Mason Source: Dictionary of Mining, Mineral, and Related...")
15:16, 3 November 2020 ‎Backstamp (hist) ‎[169 bytes] ‎Webref (talk | contribs) (Created page with "The maker's name and/or trademark stamped on the back of pottery flatware or under the foot of hollowware. Dodd Source: Dictionary of Mining, Mineral, and Related Terms")
15:13, 3 November 2020 ‎Backsight hub (hist) ‎[353 bytes] ‎Webref (talk | contribs) (Created page with "A mark or stake placed at some distance behind the position a drill will occupy in a specific compass direction from the borehole marker for an incline hole to enable the dril...")
15:13, 3 November 2020 ‎Backsight (hist) ‎[501 bytes] ‎Webref (talk | contribs) (Created page with "#A sight or bearing on a previously established survey point (other than a closing or check point), taken in a backward direction. AGI #A reading taken on a level rod held in...")
15:12, 3 November 2020 ‎Backshore (hist) ‎[157 bytes] ‎Webref (talk | contribs) (Created page with "The portion of a beach that extends from the high-tide line inland to the sea cliff or vegetation line. Swash reaches the backshore only during major storms.")
15:11, 3 November 2020 ‎Backshift (hist) ‎[297 bytes] ‎Webref (talk | contribs) (Created page with "#The afternoon or night shift; any shift that does not fill coal or is not the main coal-production shift. Mason #N. of Eng. The second or middle shift of the day; varies from...")
15:09, 3 November 2020 ‎Backset beds (hist) ‎[332 bytes] ‎Webref (talk | contribs) (Created page with "Inclined layers of sand developed on gentler dune slope to windward. These beds may constitute a large part of total volume of a dune, especially if there is sufficient vegeta...")
15:09, 3 November 2020 ‎Backscatter (hist) ‎[202 bytes] ‎Webref (talk | contribs) (Created page with "The emergence of radiation from that surface of a material through which it entered. Also used to denote the actual backscattered radiation. NCB Source: Dictionary of Mining,...")
15:09, 3 November 2020 ‎Backs and cutters (hist) ‎[237 bytes] ‎Webref (talk | contribs) (Created page with "Jointed rock structures, the backs (joints) of which run in lines parallel to the strike of the strata, the cutters (cross joints) crossing them at about right angles. Standar...")
15:05, 3 November 2020 ‎Backs (hist) ‎[595 bytes] ‎Webref (talk | contribs) (Created page with "#The height of ore available above a given working level. If the orebody has been proved by shaft sinking to a depth of 300 ft (91 m) from the surface, the orebody is said to...")
15:04, 3 November 2020 ‎Backrush (hist) ‎[278 bytes] ‎Webref (talk | contribs) (Created page with "The seaward return of the water following the uprush of waves. For any given tide stage, the point of farthest return seaward of the backrush is known as the limit of backrush...")
15:04, 3 November 2020 ‎Back-out switch (hist) ‎[84 bytes] ‎Webref (talk | contribs) (Created page with "See: hoist back-out switch Source: Dictionary of Mining, Mineral, and Related Terms")
15:04, 3 November 2020 ‎Back-off shooting (hist) ‎[285 bytes] ‎Webref (talk | contribs) (Created page with "The firing of small explosive charges for releasing stuck drilling tools in a borehole. The shock of detonation causes the joint to expand and unscrew slightly. All rods above...")
15:01, 3 November 2020 ‎Backlash (hist) ‎[557 bytes] ‎Webref (talk | contribs) (Created page with "#The return or counterblast, as the recoil or backward suction of the air current, produced after a mine explosion. Also called backblast; suction blast. #The reentry of air i...")
15:00, 3 November 2020 ‎Backjoint (hist) ‎[237 bytes] ‎Webref (talk | contribs) (Created page with "#A joint plane more or less parallel to the strike of the cleavage, and frequently vertical. Zern #A rabbet or chase left to receive a permanent slab or other filling. Webster...")
14:59, 3 November 2020 ‎Backing sand (hist) ‎[166 bytes] ‎Webref (talk | contribs) (Created page with "Reconditioned sand used for supporting the facing sand, and forming the main part of a foundry mold. Osborne Source: Dictionary of Mining, Mineral, and Related Terms")
14:58, 3 November 2020 ‎Backing off (hist) ‎[159 bytes] ‎Webref (talk | contribs) (Created page with "A term used to describe the operation of removing excessive body metal from badly worn bits. Fraenkel Source: Dictionary of Mining, Mineral, and Related Terms")
14:57, 3 November 2020 ‎Backing deals (hist) ‎[572 bytes] ‎Webref (talk | contribs) (Created page with "Boards from 1 to 4 in (2.5 to 10 cm) thick and of sufficient length to bridge the space between timber or steel sets or between rings in skeleton tubing. Usually, planks 9 to...")
14:56, 3 November 2020 ‎Backing (hist) ‎[248 bytes] ‎Webref (talk | contribs) (Created page with "#Timbers fixed across the top of a level supported in notches cut in the rock. #The action of a roof layer of combustible gases flowing uphill against the direction of the ven...")
14:56, 3 November 2020 ‎Backhoe (hist) ‎[261 bytes] ‎Webref (talk | contribs) (Created page with "The most versatile rig used for trenching. The basic action involves extending its bucket forward with its teeth-armed lip pointing downward and then pulling it back toward th...")
14:56, 3 November 2020 ‎Backhaul cable (hist) ‎[165 bytes] ‎Webref (talk | contribs) (Created page with "In a cable excavator, the line that pulls the bucket from the dumping point back to the digging. Nichols, 1 Source: Dictionary of Mining, Mineral, and Related Terms")
14:55, 3 November 2020 ‎Backhaul (hist) ‎[153 bytes] ‎Webref (talk | contribs) (Created page with "A line that pulls a drag scraper bucket backward from the dump point to the digging. Nichols, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
14:55, 3 November 2020 ‎Backhand (hist) ‎[218 bytes] ‎Webref (talk | contribs) (Created page with "In bituminous coal mining, one who assists either the machineman or machine loader to move and set up a coal cutting or loading machine at the working face. DOT Source: Dicti...")
14:54, 3 November 2020 ‎Background (hist) ‎[378 bytes] ‎Webref (talk | contribs) (Created page with "#The abundance of an element, or any chemical property of a naturally occurring material, in an area in which the concentration is not anomalous. AGI #The slight radioactivity...")
14:33, 3 November 2020 ‎Backfolding (hist) ‎[286 bytes] ‎Webref (talk | contribs) (Created page with "Folding in which the folds are overturned toward the interior of an orogenic belt. In the Alps, the backward folds are overturned toward the south, whereas most of the folds a...")
14:33, 3 November 2020 ‎Backfire (hist) ‎[203 bytes] ‎Webref (talk | contribs) (Created page with "#A fire started to burn against and cut off a spreading fire. Nichols, 1 #An explosion in the intake or exhaust passages of an engine. Nichols, 1 Source: Dictionary of Mining...")
14:32, 3 November 2020 ‎Back-filling system (hist) ‎[178 bytes] ‎Webref (talk | contribs) (Created page with "Filling lower or older workings with the waste from newer workings. See also: overhand stoping; square-set stoping. Hess Source: Dictionary of Mining, Mineral, and Related Terms")
14:32, 3 November 2020 ‎Backfill (hist) ‎[616 bytes] ‎Webref (talk | contribs) (Created page with "#Waste sand or rock used to support the roof or walls after removal of ore from a stope. Pryor, 3 #Sand or dirt placed behind timber, steel, or concrete linings in shafts or t...")
14:29, 3 November 2020 ‎Back-end man (hist) ‎[272 bytes] ‎Webref (talk | contribs) (Created page with "A worker who works behind the coal-cutter as it moves along the face. Duties may include cleaning the cuttings from behind the machine and setting props to support the roof or...")
14:29, 3 November 2020 ‎Backcast stripping (hist) ‎[204 bytes] ‎Webref (talk | contribs) (Created page with "A stripping method using two draglines, one of which strips and casts the overburden while the other recasts a portion of the overburden. Woodruff Source: Dictionary of Minin...")
14:28, 3 November 2020 ‎Back-bye work (hist) ‎[190 bytes] ‎Webref (talk | contribs) (Created page with "General work performed behind the working faces, as opposed to work done at the faces. This is commonly referred to as "outby work." Source: Dictionary of Mining, Mineral, an...")
14:28, 3 November 2020 ‎Backblast (hist) ‎[71 bytes] ‎Webref (talk | contribs) (Created page with "See: backlash Source: Dictionary of Mining, Mineral, and Related Terms")
14:28, 3 November 2020 ‎Backarc spreading (hist) ‎[288 bytes] ‎Webref (talk | contribs) (Created page with "The process by which the overriding plate in a subduction zone becomes stretched to the point of rifting, so that magma can then rise into the gap created by the rift. Backarc...")
14:27, 3 November 2020 ‎Back work (hist) ‎[237 bytes] ‎Webref (talk | contribs) (Created page with "#Any kind of operation in a mine not immediately concerned with production or transport; literally work behind the face; repairs to roads. Mason #See: back coming; back splint...")
14:27, 3 November 2020 ‎Back vent (hist) ‎[113 bytes] ‎Webref (talk | contribs) (Created page with "Scot. An air course alongside the pillar in wide rooms. Source: Dictionary of Mining, Mineral, and Related Terms")
14:27, 3 November 2020 ‎Back stopes (hist) ‎[148 bytes] ‎Webref (talk | contribs) (Created page with "Overhead stopes; stopes worked by putting in overhead holes and blasting down the ore. CTD Source: Dictionary of Mining, Mineral, and Related Terms")
14:27, 3 November 2020 ‎Back stope (hist) ‎[93 bytes] ‎Webref (talk | contribs) (Created page with "To mine a stope from working below. Source: Dictionary of Mining, Mineral, and Related Terms")
14:26, 3 November 2020 ‎Back splinting (hist) ‎[273 bytes] ‎Webref (talk | contribs) (Created page with "The working of the top portion of a thick seam that was left as a roof when the bottom portion was worked. The top coal is recovered by working over the goaf or packs of the f...")
14:26, 3 November 2020 ‎Back slope (hist) ‎[670 bytes] ‎Webref (talk | contribs) (Created page with "#S. Wales. A slope with the stalls branching off and working the seam with back slips along the face. Nelson #In geology, the less sloping side of a ridge. Contrasted with esc...")
14:25, 3 November 2020 ‎Back slip (hist) ‎[207 bytes] ‎Webref (talk | contribs) (Created page with "A joint in a coal seam that is inclined away from the observer from floor to roof. It would be a face slip from the opposite direction. CF: face slip Source: Dictionary of Mi...")
14:25, 3 November 2020 ‎Back skin (hist) ‎[115 bytes] ‎Webref (talk | contribs) (Created page with "Newc. A leather covering worn by workers in wet workings. Source: Dictionary of Mining, Mineral, and Related Terms")
14:25, 3 November 2020 ‎Back shot (hist) ‎[153 bytes] ‎Webref (talk | contribs) (Created page with "A shot used for widening an entry; it is placed at some distance from the head of an entry. Fay Source: Dictionary of Mining, Mineral, and Related Terms")
14:23, 3 November 2020 ‎Back rippings (hist) ‎[402 bytes] ‎Webref (talk | contribs) (Created page with "The taking down of a thickness of roof beds in roadways some distance back from the face. The thickness of roof excavated may vary from 1 ft (0.3 m) or so to 6 ft (1.8 m) and...")
14:23, 3 November 2020 ‎Back ripper (hist) ‎[79 bytes] ‎Webref (talk | contribs) (Created page with "See: back brusher Source: Dictionary of Mining, Mineral, and Related Terms")
14:22, 3 November 2020 ‎Back prop (hist) ‎[284 bytes] ‎Webref (talk | contribs) (Created page with "The name given to the raking strut that transfers the load from the timbering of a deep trench to the ground. These struts are provided under every second or third frame accor...")
14:18, 3 November 2020 ‎Back pressure (hist) ‎[439 bytes] ‎Webref (talk | contribs) (Created page with "#Resistance transferred from rock into drill stem when bit is being fed at a faster rate than the bit can cut. Long #Pressure applied to the underside of the piston in the hyd...")
14:17, 3 November 2020 ‎Back of ore (hist) ‎[144 bytes] ‎Webref (talk | contribs) (Created page with "The ore between two levels which has to be worked from the lower level. See also: back Source: Dictionary of Mining, Mineral, and Related Terms")
14:17, 3 November 2020 ‎Back of lode (hist) ‎[150 bytes] ‎Webref (talk | contribs) (Created page with "The portion of a lode lying between a level driven in a lode and the surface. See also: back Source: Dictionary of Mining, Mineral, and Related Terms")
14:16, 3 November 2020 ‎Back mine (hist) ‎[134 bytes] ‎Webref (talk | contribs) (Created page with "Scot. A passage in a mine crosscut toward the dip of the strata. Standard, 2 Source: Dictionary of Mining, Mineral, and Related Terms")
14:16, 3 November 2020 ‎Back leads (hist) ‎[136 bytes] ‎Webref (talk | contribs) (Created page with "Applied to black sand leads on coastlines which are above high-water mark. Fay Source: Dictionary of Mining, Mineral, and Related Terms")
14:16, 3 November 2020 ‎Back holes (hist) ‎[127 bytes] ‎Webref (talk | contribs) (Created page with "In shaft sinking, raising, or drifting, the holes that are shot last. Source: Dictionary of Mining, Mineral, and Related Terms")
14:15, 3 November 2020 ‎Back heading (hist) ‎[124 bytes] ‎Webref (talk | contribs) (Created page with "#Eng. The companion place to a main winning. SMRB #See: back entry Source: Dictionary of Mining, Mineral, and Related Terms")
14:15, 3 November 2020 ‎Back filling (hist) ‎[383 bytes] ‎Webref (talk | contribs) (Created page with "#Rough masonry built in behind the facing or between two faces; similar material used in filling over the extrados of an arch; also, brickwork used to fill in space between st...")
14:14, 3 November 2020 ‎Back entry (hist) ‎[222 bytes] ‎Webref (talk | contribs) (Created page with "The air course parallel to and below an entry or the entry used for secondary purposes in two-entry system of mining. Locally, any entry not having track in it. BCI Source: D...")
14:14, 3 November 2020 ‎Back coming (hist) ‎[176 bytes] ‎Webref (talk | contribs) (Created page with "Scot. Working away the pillars that are left when mining coal inby. Robbing pillars; back working. See also: back work Source: Dictionary of Mining, Mineral, and Related Terms")
14:14, 3 November 2020 ‎Back coal (hist) ‎[107 bytes] ‎Webref (talk | contribs) (Created page with "Scot. Coal that miners are allowed to carry home. Source: Dictionary of Mining, Mineral, and Related Terms")
13:39, 3 November 2020 ‎B.M.A.G.A. apparatus (hist) ‎[358 bytes] ‎Webref (talk | contribs) (Created page with "Used in the United States for obtaining additional information on the yields of coke, tar, and gas that can be expected in high-temperature practice. This is a vertical cylind...")
13:36, 3 November 2020 ‎B.H. bit (hist) ‎[224 bytes] ‎Webref (talk | contribs) (Created page with "#A noncoring or blasthole bit. Long #A CDDA standard-size noncoring bit having a set outside diameter of 1 in (2.54 cm). Normally referred to as a 1-in B.H. bit. Long Source:...")
13:29, 3 November 2020 ‎Back casing (hist) ‎[256 bytes] ‎Webref (talk | contribs) (Created page with "Eng. A temporary shaft lining of bricks laid dry, and supported at intervals upon curbs. When the stonehead has been reached, the permanent masonry lining is built upon it ins...")
13:28, 3 November 2020 ‎Back brusher (hist) ‎[179 bytes] ‎Webref (talk | contribs) (Created page with "#A ripper engaged in taking down the roof in roadways some distance back from the face. Syn: second ripping #Back ripper. Source: Dictionary of Mining, Mineral, and Related T...")
13:27, 3 November 2020 ‎Back break (hist) ‎[150 bytes] ‎Webref (talk | contribs) (Created page with "Rock broken beyond the limits of the last row of holes marking the outer boundary in a blast. Source: Dictionary of Mining, Mineral, and Related Terms")
13:20, 3 November 2020 ‎Back balance (hist) ‎[579 bytes] ‎Webref (talk | contribs) (Created page with "#A type of self-acting incline in a mine. A balance car is attached to one end of a rope, and a carriage for the mine car is attached to the other end. A loaded car is run on...")
13:20, 3 November 2020 ‎Back arch (hist) ‎[185 bytes] ‎Webref (talk | contribs) (Created page with "A concealed arch carrying the backing or inner part of a wall where the exterior facing material is carried by a lintel. ACSG, 1 Source: Dictionary of Mining, Mineral, and Rel...")
13:20, 3 November 2020 ‎Back and underhand stoping milling system (hist) ‎[101 bytes] ‎Webref (talk | contribs) (Created page with "See: combined overhand and underhand stoping Source: Dictionary of Mining, Mineral, and Related Terms")
13:19, 3 November 2020 ‎Back acter (hist) ‎[265 bytes] ‎Webref (talk | contribs) (Created page with "Front-end equipment fitted to an excavator, comprising a jib with an arm and bucket. Although designed primarily for vertically sided trenching, it is also useful for bulk exc...")
13:16, 3 November 2020 ‎B horizon (hist) ‎[196 bytes] ‎Webref (talk | contribs) (Created page with "Soil zone of accumulation below A horizon. Here is deposited some material moved down from A horizon. Source: Leet, L. Don. 1982. Physical Geology, 6th Edition. Englewood Clif...")
13:13, 3 November 2020 ‎B direction (hist) ‎[68 bytes] ‎Webref (talk | contribs) (Created page with "See: b axis Source: Dictionary of Mining, Mineral, and Related Terms")
13:11, 3 November 2020 ‎B axis (hist) ‎[242 bytes] ‎Webref (talk | contribs) (Created page with "One of the three crystallographic axes used as reference in crystal description. It is oriented horizontally, right to left. The letter b usually appears in italics. CF: a axi...")
13:05, 3 November 2020 ‎Backarc basin (hist) ‎[168 bytes] ‎Webref (talk | contribs) (Created page with "A depression landward of a volcanic arc in a subduction zone, which is lined with trapped sediment from the volcanic arc and the plate interior. See also forearc basin.")
12:57, 3 November 2020 ‎Back (hist) ‎[848 bytes] ‎Webref (talk | contribs) (Created page with "#A system of joints in coal oblique to the bedding, at an angle of about 35 degrees to 75 degrees . Backs are usually perfectly tight and have polished cheeks which suggest a...")
12:55, 3 November 2020 ‎Bacalite (hist) ‎[140 bytes] ‎Webref (talk | contribs) (Created page with "#A variety of amber. Tomkeieff #A variety of quartz in Baja California, Mex. Source: Dictionary of Mining, Mineral, and Related Terms")
12:55, 3 November 2020 ‎Babylonian quartz (hist) ‎[83 bytes] ‎Webref (talk | contribs) (Created page with "See: Babel quartz Source: Dictionary of Mining, Mineral, and Related Terms")
12:54, 3 November 2020 ‎Babel quartz (hist) ‎[201 bytes] ‎Webref (talk | contribs) (Created page with "A variety of quartz, named for the fancied resemblance of the crystal to the successive tiers of the Tower of Babel. Syn: Babylonian quartz Source: Dictionary of Mining,...")
12:53, 3 November 2020 ‎Babcock and Wilcox mill (hist) ‎[182 bytes] ‎Webref (talk | contribs) (Created page with "Dry-grinding mill in which steel balls rotate in a horizontal ring, through which the feed is worked downward. Pryor, 3 Source: Dictionary of Mining, Mineral, and Relate...")
12:47, 3 November 2020 ‎Baaken (hist) ‎[85 bytes] ‎Webref (talk | contribs) (Created page with "S. Afr. A boundary mark. Source: Dictionary of Mining, Mineral, and Related Terms")

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