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  • 16:53, 23 November 2020 Webref talk contribs created page Beryloid (Created page with "In crystallography, the dihexagonal bipyramid, common in crystals of beryl. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:53, 23 November 2020 Webref talk contribs created page Beryllonite (Created page with "A monoclinic mineral, NaBePO<sub>4</sub> ; colorless or yellow; forms transparent, topazlike pseudo-orthorhombic crystals. Source: Dictionary of Mining, Mineral, and Related...")
  • 16:53, 23 November 2020 Webref talk contribs created page Beryllium oxide (Created page with "A white powder; hexagonal; BeO. Used in the preparation of beryllium compounds and in ceramics and refractories. Melting point, 2,570 degrees C; and sp gr, 3.02. Bodies high i...")
  • 16:52, 23 November 2020 Webref talk contribs created page Beryllium nitride (Created page with "Be<sub>3</sub> N<sub>2</sub> ; molecular weight, 55.05; colorless; isometric; and melting point, 2,200 + or - 100 degrees C. <i>Bennett </i> Source: Dictionary of Mining, Mi...")
  • 16:52, 23 November 2020 Webref talk contribs created page Beryllium disilicate (Created page with "Be<sub>4</sub> Si<sub>2</sub> O<sub>7</sub> (OH)<sub>2</sub> ; mol wt, 238.23; orthorhombic; sp gr, 2.6. Syn: bertrandite Source: Dictionary of Mining, Mineral, and Relat...")
  • 16:52, 23 November 2020 Webref talk contribs created page Beryllium carbide (Created page with "Be<sub>2</sub> C ; decomposes above 2,950 degrees C. Used as a moderator in nuclear application. Molecular weight, 30.04; yellow; hexagonal; and sp gr, 1.90 at 15 degrees C....")
  • 16:51, 23 November 2020 Webref talk contribs created page Beryllium aluminate (Created page with "BeAl<sub>2</sub> O<sub>4</sub> ; mol wt, 126.97; orthorhombic; sp gr, 3.76; source of beryllium. Syn: chrysoberyl Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:50, 23 November 2020 Webref talk contribs created page Beryllite (Created page with "A hydrous silicate of beryllium, Be<sub>3</sub> SiO<sub>4</sub> (OH)<sub>2</sub> .H <sub>2</sub> O , as an alteration product of epididymite. <i>Spencer, 5 </i> Source: Dic...")
  • 16:49, 23 November 2020 Webref talk contribs created page Berylliosis (Created page with "An occupational disease caused by the inhalation of fumes liberated during the reduction of beryllium. Beryllium is thought to play the principal role, aggravated by fluorine,...")
  • 16:49, 23 November 2020 Webref talk contribs created page Beryllides (Created page with "A group of intermetallic compounds of potential interest as special ceramics. Cell dimensions and types of structure have been reported for the beryllides of titanium, vanadiu...")
  • 16:49, 23 November 2020 Webref talk contribs created page Beryl preferential stain process (Created page with "A quick, simple method for determining the amount of beryl in a mineral sample. The samples are placed in a hot solution of sodium hydroxide, which etches the beryl grains in...")
  • 16:48, 23 November 2020 Webref talk contribs created page Beryl (Created page with "A hexagonal mineral, Be<sub>3</sub> Al<sub>2</sub> Si<sub>6</sub> O<sub>18</sub> ; green, blue-green, and other pale tints; in granite pegmatites, mica schists, and an accesso...")
  • 16:48, 23 November 2020 Webref talk contribs created page Bertrandite (Created page with "An orthorhombic mineral, 4[Be<sub>4</sub> Si<sub>2</sub> O<sub>7</sub> (OH)<sub>2</sub> ]; colorless to clear pale yellow and shows heart-shaped twins; in pegmatites; a source...")
  • 16:47, 23 November 2020 Webref talk contribs created page Bertrand process (Created page with "A heavy-fluid coal cleaning process that utilizes a calcium chloride solution as separating medium and is applicable only to deslimed feed. It differs from the Lessing process...")
  • 16:46, 23 November 2020 Webref talk contribs created page Bertrand lens (Created page with "A removable lens in the tube of a polarized-light microscope used to converge light to form an interference figure. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:46, 23 November 2020 Webref talk contribs created page Berthonite (Created page with "A discredited name for bournonite. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:46, 23 November 2020 Webref talk contribs created page Berthierine (Created page with "A monoclinic mineral, (Fe<sup>2+</sup> ,Fe<sup>3+</sup> ,Mg)<sub>2-2D3</sub> (Si,Al)<sub>2</sub> O<sub>5</sub> (OH)<sub>4</sub> of the kaolinite-serpentine group; dark steel-...")
  • 16:46, 23 November 2020 Webref talk contribs created page Bernstein (Created page with "# A fossil resin found in and in association with lignite beds of Eocene age. Commonly occurring in many European localities, and is esp. abundant in areas bordering the Balti...")
  • 16:45, 23 November 2020 Webref talk contribs created page Bernardinite (Created page with "Originally described by Stillman as fossil resin, but later shown by Stanley-Brown to be a fungus impregnated by resinous material. <i>Tomkeieff </i> Source: Dictionary of M...")
  • 16:45, 23 November 2020 Webref talk contribs created page Berms (Created page with "In coastline terminology berms are storm-built beach features that resemble small terraces; on seaward edges are low ridges built up by storm waves. Source: Leet, L....")
  • 16:44, 23 November 2020 Webref talk contribs created page Bermanite (Created page with "A monoclinic mineral, Mn<sup>2+</sup> Mn<sup>3+</sup><sub>2</sub> (PO<sub>4</sub> ) <sub>2</sub> (OH)<sub>2</sub> .4H<sub>2</sub> O ; in pegmatites. Source: Dictionary of Mi...")
  • 16:44, 23 November 2020 Webref talk contribs created page Berm interval (Created page with "Vertical distance from crest of berm to its underlying toe, as in a bank or bench. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:44, 23 November 2020 Webref talk contribs created page Berm (Created page with "# A horizontal shelf or ledge built into the embankment or sloping wall of an open pit or quarry to break the continuity of an otherwise long slope and to strengthen its stabi...")
  • 16:43, 23 November 2020 Webref talk contribs created page Berlin iron (Created page with "A soft iron containing phosphorus, which makes very fine smooth castings and is used for ornaments and jewelry. <i>Standard, 2 </i> Source: Dictionary of Mining, Mineral, an...")
  • 16:43, 23 November 2020 Webref talk contribs created page Berlin blue (Created page with "In optical mineralogy, an anomalous interference color of the first order; e.g., some epidotes. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:43, 23 November 2020 Webref talk contribs created page Berkelium (Created page with "The element having the atomic number 97, the discovery of which was announced by Thompson, Ghiorso, and Seaborg in 1950. They produced an isotope of 4.5 h half-life, berkelium...")
  • 16:43, 23 November 2020 Webref talk contribs created page Berkeleyite (Created page with "See: lazulite Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:43, 23 November 2020 Webref talk contribs created page Bergschrund (Created page with "Gap, or cirque. Source: Leet, L. Don. 1982. <i>Physical Geology, 6th Edition.</i> Englewood Cliffs, NJ: Prentice-Hall")
  • 16:42, 23 November 2020 Webref talk contribs created page Berglof process (Created page with "A method of direct reduction of iron ore. The reduction of the ore was carried out in interchangeable containers. The ore was heated to the reduction temperature in one contai...")
  • 16:42, 23 November 2020 Webref talk contribs created page Bergenite (Created page with "Occurs naturally at Bergen an der Trieb, Saxony, with other uranium minerals; named from locality, the older name being rejected as implying a barian phosphuranylite rather th...")
  • 16:42, 23 November 2020 Webref talk contribs created page Bergbutter (Created page with "Various salts, commonly halotrichite. <i>Hey, 1 </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:42, 23 November 2020 Webref talk contribs created page Bergalith (Created page with "See: bergalite Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:41, 23 November 2020 Webref talk contribs created page Bergalite (Created page with "A pitchy black dike rock containing small phenocrysts of haueyne, apatite, perovskite, melilite, and magnetite in a groundmass of the same minerals with nepheline, biotite, an...")
  • 16:17, 23 November 2020 Webref talk contribs created page Berek compensator (Created page with "In polarized-light microscopy, an optical device of variable compensation for analysis of birefringence. CF: accessory plate Source: Dictionary of Mining, Mineral, and Re...")
  • 16:17, 23 November 2020 Webref talk contribs created page Berdan (Created page with "A circular, revolving, inclined iron pan in which concentrates are ground with mercury and water by an iron ball. <i>Gordon </i> Source: Dictionary of Mining, Mineral, and R...")
  • 16:17, 23 November 2020 Webref talk contribs created page Beraunite (Created page with "A monoclinic mineral, Fe<sup>2+</sup> Fe<sup>3+</sup><sub>5</sub> (PO<sub>4</sub> ) <sub>4</sub> (OH)<sub>5</sub> .4H<sub>2</sub> O ; a secondary mineral in iron deposits; an...")
  • 16:16, 23 November 2020 Webref talk contribs created page Benzol indicator (Created page with "A portable instrument designed specif. for measuring low concentrations of benzol, which are potentially dangerous to the health of personnel. <i>Best, 1 </i> Source: Dictio...")
  • 16:16, 23 November 2020 Webref talk contribs created page Benzenol (Created page with "See: phenol Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:16, 23 November 2020 Webref talk contribs created page Bentonitic clay (Created page with "Bentonite. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:15, 23 November 2020 Webref talk contribs created page Benthos (Created page with "All plants and animals living on the ocean bottom. <i>Hy </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:15, 23 November 2020 Webref talk contribs created page Benthonic (Created page with "# Refers to the bottom of a body of standing water. <i>AGI </i> # Pertaining to benthos; also, said of that environment. Syn: demersal <i>AGI </i> Source: Dictionary...")
  • 16:14, 23 November 2020 Webref talk contribs created page Benthic Division (Created page with "A primary division of the sea that includes all of the ocean floor. The Benthic Division is subdivided into the Littoral System (the ocean floor lying in water depths ranging...")
  • 16:14, 23 November 2020 Webref talk contribs created page Bent sieve (Created page with "A stationary screen constructed in the form of an arc of a circle and arranged as a chute over which the clean coal from a cyclone washer passes to the orthodox rinsing screen...")
  • 16:14, 23 November 2020 Webref talk contribs created page Bent (Created page with "# In tunnel timbering, two posts and a roof timber. <i>Nichols, 1 </i> # A transverse structure consisting of legs, bracing, and feet used for the purpose of supporting a gal...")
  • 16:14, 23 November 2020 Webref talk contribs created page Benstonite (Created page with "A trigonal mineral, (Ba,Sr)<sub>6</sub> (Ca,Mn)<sub>6</sub> Mg(CO<sub>3</sub> ) (sub 13) ; shows flat, simple rhombohedral crystals and cleavage; fluoresces yellow or red; in...")
  • 16:13, 23 November 2020 Webref talk contribs created page Benjaminite (Created page with "A monoclinic mineral, (Ag,Cu)<sub>3</sub> (Bi,Pb)<sub>7</sub> S<sub>12</sub> . Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:13, 23 November 2020 Webref talk contribs created page Benitoite (Created page with "A hexagonal mineral, 2[BaTiSi<sub>3</sub> O<sub>9</sub> ] ; occurs in double pyramids; colorless, white, or blue, resembling sapphire; in veins in serpentine schist. Source:...")
  • 16:12, 23 November 2020 Webref talk contribs created page Benioff zone (Created page with "A seismic zone dipping beneath a continental margin and having a deep-sea trench as surface expression. Source: Leet, L. Don. 1982. <i>Physical Geology, 6th Edition.</i...")
  • 16:11, 23 November 2020 Webref talk contribs created page Bengal amethyst (Created page with "An archaic trade name for purple sapphire. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:03, 23 November 2020 Webref talk contribs created page Beneficiation (Created page with "# The dressing or processing of coal or ores for the purpose of (1) regulating the size of a desired product, (2) removing unwanted constituents, and (3) improving the quality...")
  • 16:02, 23 November 2020 Webref talk contribs created page Beneficiate (Created page with "To improve the grade by removing associated impurities; to upgrade. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:02, 23 November 2020 Webref talk contribs created page Bends (Created page with "Caisson disease, brought on by too sudden return to normal pressure after working in a pressurized shaft or tunnel. <i>Pryor, 3 </i> Source: Dictionary of Mining, Mineral, a...")
  • 16:02, 23 November 2020 Webref talk contribs created page Bending stress (Created page with "The stress produced in the outer fibers of a rope by bending over a sheave or drum. <i>Zern </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:01, 23 November 2020 Webref talk contribs created page Bendelari jig (Created page with "A jig fitted with a flexible rubber diaphragm that is worked by an eccentric motion, thus producing a jigging cycle (pulsion suction). See also: jig Source: Dictionary of...")
  • 16:01, 23 November 2020 Webref talk contribs created page Bend wheel (Created page with "A wheel used to interrupt and change the normal path of travel of the conveying or driving medium. Most generally used to effect a change in direction of conveyor travel from...")
  • 16:01, 23 November 2020 Webref talk contribs created page Bend test (Created page with "A test for determining relative ductility of metal that is to be formed, usually sheet, strip, plate, or wire, and for determining soundness and toughness of metal. The specim...")
  • 16:01, 23 November 2020 Webref talk contribs created page Bend tangent (Created page with "A tangent point where a bending arc ceases or changes. <i>ASM, 1 </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:00, 23 November 2020 Webref talk contribs created page Bend shaft (Created page with "A shaft that supports a bend wheel or pulley. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:00, 23 November 2020 Webref talk contribs created page Bend radius (Created page with "The inside radius of a bent section. <i>ASM, 1 </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 16:00, 23 November 2020 Webref talk contribs created page Bend pulley (Created page with "An idler pulley that is used solely for the purpose of changing the direction of travel of the belt other than at the terminals of the conveyor. <i>NEMA, 2 </i> Source: Dict...")
  • 16:00, 23 November 2020 Webref talk contribs created page Benchy (Created page with "Forming frequent benches; said of a lode. <i>Standard, 2 </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 15:59, 23 November 2020 Webref talk contribs created page Benching iron (Created page with "An item of surveying equipment, comprising a triangular steel plate with pointed studs at the corners. These studs are driven into the ground in the desired position. The plat...")
  • 15:59, 23 November 2020 Webref talk contribs created page Benching (Created page with "# A method of working small quarries or opencast pits in steps or benches, in which rows of blasting holes are drilled parallel to the free face. The benching method has certa...")
  • 15:58, 23 November 2020 Webref talk contribs created page Benches (Created page with "A name applied to ledges of all kinds of rock that are shaped like steps or terraces. They may be developed either naturally in the ordinary processes of land degradation, fau...")
  • 15:58, 23 November 2020 Webref talk contribs created page Benched foundation (Created page with "Foundation excavated on a sloping stratum of rock, which is cut in steps so that it cannot slide when under load. Syn: stepped foundation <i>Hammond </i> Source: Dicti...")
  • 15:58, 23 November 2020 Webref talk contribs created page Bench-and-bench (Created page with "Ark. That plan of mining coal in a room that requires the blasting of the two benches of coal alternately, each a little beyond the other. Syn: bench working Source: Dict...")
  • 15:58, 23 November 2020 Webref talk contribs created page Bench working (Created page with "The system of working one or more seams or beds of mineral by open working or stripping in stages or steps. Syn: bench-and-bench Source: Dictionary of Mining, Mineral, an...")
  • 15:57, 23 November 2020 Webref talk contribs created page Bench slope (Created page with "See: bank slope Source: Dictionary of Mining, Mineral, and Related Terms")
  • 15:57, 23 November 2020 Webref talk contribs created page Bench scrap (Created page with "The scrap mica resulting from rifting and trimming hand-cobbed mica. <i>Skow </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 15:54, 23 November 2020 Webref talk contribs created page Bench placer (Created page with "A bench gravel that is mined as a placer. Syn: bench gravel; river-bar placer; terrace placer. <i>AGI </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:29, 23 November 2020 Webref talk contribs created page Bench of timbers (Created page with "A term used to describe the header when it is complete with legs. Syn: set Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:26, 23 November 2020 Webref talk contribs created page Bench height (Created page with "The vertical distance from the top of a bench to the floor or to the top of the next lower bench. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:26, 23 November 2020 Webref talk contribs created page Bench gravel (Created page with "A term applied in Alaska and the Yukon Territory to gravel beds on the side of a valley above the present stream bottom, which represent part of the stream bed when it was at...")
  • 14:25, 23 November 2020 Webref talk contribs created page Bench flume (Created page with "A conduit on a bench, cut on sloping ground. <i>Seelye, 1 </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:23, 23 November 2020 Webref talk contribs created page Bench face (Created page with "See: bank Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:23, 23 November 2020 Webref talk contribs created page Bench diggings (Created page with "River placers not subject to overflows. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:22, 23 November 2020 Webref talk contribs created page Bench cut (Created page with "# In vertical shaft sinking, blasting of drill holes so as to keep one end of a rectangular opening deep (leading), thus facilitating drainage and removal of blasted rock. <i...")
  • 14:22, 23 November 2020 Webref talk contribs created page Bench coal (Created page with "A coal seam cut in benches or layers. <i>Tomkeieff </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:22, 23 November 2020 Webref talk contribs created page Bench claim (Created page with "A placer claim located on a bench above the present level of a stream. <i>Hess </i> Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:22, 23 November 2020 Webref talk contribs created page Bench blasting (Created page with "A mining system used either underground or in surface pits whereby a thick ore or waste zone is removed by blasting a series of successive horizontal layers called benches. S...")
  • 14:21, 23 November 2020 Webref talk contribs created page Bench (Created page with "# A terrace on the side of a river or lake having at one time formed its bank. See also: bench gravel # In an underground mine, a long horizontal face or ledge of ore in a...")
  • 14:20, 23 November 2020 Webref talk contribs created page Ben (Created page with "# Scot. Inward; toward the workings; the workman's right to enter the pit. # The live or productive part of a lode. <i>Arkell </i> # A mountain peak; a word occurring chiefly...")
  • 14:20, 23 November 2020 Webref talk contribs created page Bementite (Created page with "# A light gray or grayish-brown, common manganese mineral, Mn<sup>2+</sup> <sub>8</sub> Si<sub>6</sub> O<sub>15</sub> (OH)<sub>10</sub> . <i>Kirk </i> # An erroneous name fo...")
  • 14:19, 23 November 2020 Webref talk contribs created page Belynski's reagent (Created page with "A 1% copper sulfate solution recommended as an etchant for revealing dendritic structures in high-carbon steels. <i>Osborne </i> Source: Dictionary of Mining, Mineral, and R...")
  • 14:19, 23 November 2020 Webref talk contribs created page Belyankinite (Created page with "A mineral, Ca<sub>1-2</sub> (Ti,Zr,Nb)<sub>5</sub> O<sub>12</sub> .9H<sub>2</sub> O(?) ; amorphous, yellowish-brown. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:19, 23 November 2020 Webref talk contribs created page Belugou imperfection coefficient (Created page with "In coal testing, a parameter, B, applied to the ash curve: B = (p75 - p25)/2(p50 - 1), where pX is the specific gravity of particles of which the fraction separated is X perc...")
  • 14:19, 23 November 2020 Webref talk contribs created page Belt-type conveyor (Created page with "A conveyor consisting of an endless belt used to transport material from one place to another. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:17, 23 November 2020 Webref talk contribs created page Beltman (Created page with "See: conveyor man Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:17, 23 November 2020 Webref talk contribs created page Belting (Created page with "One of the main parts of a belt conveyor. The belting consists of piles of cotton duck impregnated with rubber, with top and bottom covers of rubber. The carrying capacity of...")
  • 14:16, 23 November 2020 Webref talk contribs created page Belt tripper (Created page with "A device or mechanism that causes the conveyor belt to pass around pulleys for the purpose of discharging material from it. Source: Dictionary of Mining, Mineral, and Related...")
  • 14:16, 23 November 2020 Webref talk contribs created page Belt tensioning device (Created page with "A device fitted to a belt conveyor that automatically takes up any slack or stretch in the belting. A gravity takeup device is sometimes fitted immediately behind the driving...")
  • 14:16, 23 November 2020 Webref talk contribs created page Belt table (Created page with "A table incorporating a belt conveyor so arranged as to provide working space on one or both sides of the belt. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:16, 23 November 2020 Webref talk contribs created page Belt slip (Created page with "The difference in speed between the driving drum and the belt conveyor. Source: Dictionary of Mining, Mineral, and Related Terms")
  • 14:16, 23 November 2020 Webref talk contribs created page Belt protection device (Created page with "A device fitted to a belt conveyor to give an alarm or to cause the conveyor to stop in the event of a defect, such as belt slip, breakage, tearing, misalignment, or overload....")
  • 14:15, 23 November 2020 Webref talk contribs created page Belt press (Created page with "A device for dewatering mineral slurries, esp. waste from coal washing, which consists of a moving belt constructed of relatively open cloth. Belt presses are widely used in t...")
  • 14:15, 23 November 2020 Webref talk contribs created page Belt of variables (Created page with "The belt of marine deposition extending from the coast (high watermark) to a depth of about 100 fathoms (183 m); i.e., corresponding roughly with the continental shelf (in the...")
  • 14:15, 23 November 2020 Webref talk contribs created page Belt of soil moisture (Created page with "Subdivision of intermediate belt, where it may be held by molecular attraction against influence of gravity. Source: Leet, L. Don. 1982. <i>Physical Geology, 6th Edition...")
  • 14:15, 23 November 2020 Webref talk contribs created page Belt loader (Created page with "A machine whose forward motion cuts soil with a plowshare or disk and pushes it to a conveyor belt that elevates it to a dumping point. Syn: elevating grader Source: Dict...")
  • 14:15, 23 November 2020 Webref talk contribs created page Belt horsepower (Created page with "That power developed with all auxiliary equipment (such as pump and fans) attached; it is consequently lower than flywheel horsepower. <i>Carson, 1 </i> Source: Dictionary o...")
  • 14:14, 23 November 2020 Webref talk contribs created page Belt friction (Created page with "See: friction Source: Dictionary of Mining, Mineral, and Related Terms")
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