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  • 11:14, 7 May 2020 Webref talk contribs created page Azurmalachite (Created page with "An intimate mixture or intergrowth of azurite and malachite, commonly massive and concentrically banded; used as an ornamental stone. Syn: azure malachite; azurite malachite....")
  • 11:14, 7 May 2020 Webref talk contribs created page Azurlite (Created page with "Chalcedony colored blue by chrysocolla; and used as a gemstone. Syn: azurchalcedony <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:14, 7 May 2020 Webref talk contribs created page Azurite malachite (Created page with "See: azurmalachite <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:13, 7 May 2020 Webref talk contribs created page Azurite (Created page with "# A monoclinic mineral, 2[Cu3 (OH)2 (CO3 )2 ]; forms vitreous azure crystals; a supergene mineral in oxidized parts of copper deposits associated with malachite; an ore of cop...")
  • 11:13, 7 May 2020 Webref talk contribs created page Azure stone (Created page with "A term applied to lapis lazuli (lazurite) and to other blue minerals such as lazulite and azurite. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:12, 7 May 2020 Webref talk contribs created page Azure spar (Created page with "See: azurite; lazulite. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:12, 7 May 2020 Webref talk contribs created page Azure quartz (Created page with "See: sapphire quartz <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:12, 7 May 2020 Webref talk contribs created page Azure malachite (Created page with "See: azurmalachite <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:12, 7 May 2020 Webref talk contribs created page Azure (Created page with "See: lapis lazuli; lazurite. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:11, 7 May 2020 Webref talk contribs created page Azurchalcedony (Created page with "See: azurlite <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:11, 7 May 2020 Webref talk contribs created page Azulinhas (Created page with "Small cloudy sapphires occuring with diamonds in Brazil. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:11, 7 May 2020 Webref talk contribs created page Aztec stone (Created page with "# A greenish variety of smithsonite. # A green variety of turquoise. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:11, 7 May 2020 Webref talk contribs created page Azorite (Created page with "A variety of altered zircon. See: zircon <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:10, 7 May 2020 Webref talk contribs created page Axstone (Created page with "A variety of nephrite jade. Also spelled axestone. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:09, 7 May 2020 Webref talk contribs created page Axotomous (Created page with "In crystallography, having cleavage perpendicular to an axis; said of minerals. Standard, 2 <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:09, 7 May 2020 Webref talk contribs created page Axonometric projection (Created page with "A method of projection which has the advantage of containing a true plan, and can therefore be set up from drawings already in existence for other purposes. The plan is turned...")
  • 11:09, 7 May 2020 Webref talk contribs created page Axis of symmetry (Created page with "An imaginary line in a crystal, crystal structure, or crystal lattice, about which it may be rotated to an identical configuration. If identity occurs once during a complete r...")
  • 11:09, 7 May 2020 Webref talk contribs created page Axis of acoustic symmetry (Created page with "For many transducers, the three-dimensional directivity is such that it may be represented by the surface generated by rotating a two-dimensional directivity pattern about the...")
  • 12:00, 6 May 2020 Webref talk contribs created page Axiolite (Created page with "A term proposed by Zirkel for a variety of elongated spherulite in which there is an aggregation of minute acicular crystals arranged at right angles to a central axis rather...")
  • 12:00, 6 May 2020 Webref talk contribs created page Axinite (Created page with "# The mineral group ferroaxinite, magnesioaxinite, manganaxinite, and tinzenite. # Triclinic borosilicates with the formula A3 Al2 BSi4O15 (OH) where A = (Ca,Fe,Mg,Mn). Syn:...")
  • 11:59, 6 May 2020 Webref talk contribs created page Axial-plane separation (Created page with "The distance between axial surfaces of adjacent antiforms and synforms where the folds occur in the same layer or surface. AGI <br/>Source: Dictionary of Mining, Mineral, and...")
  • 11:59, 6 May 2020 Webref talk contribs created page Axial-plane foliation (Created page with "Foliation that developed parallel to the axial plane of a fold and perpendicular to the principal deformational pressure. AGI <br/>Source: Dictionary of Mining, Mineral, and...")
  • 11:59, 6 May 2020 Webref talk contribs created page Axial-plane folding (Created page with "Large-scale secondary folding of preexisting folds, in response to stresses that varied considerably from those that caused the original folding. The axial planes of the origi...")
  • 11:59, 6 May 2020 Webref talk contribs created page Axial-plane cleavage (Created page with "Cleavage that is closely related to the axial planes of folds in the rock, either being rigidly parallel to the axes, or diverging slightly on each flank (fan cleavage). Most...")
  • 11:58, 6 May 2020 Webref talk contribs created page Axial-flow fan (Created page with "# A type of mine fan in which the mine air enters along the axis parallel to the shaft and continues in this direction to the point of exhaust. The axial-flow fan may have fix...")
  • 11:58, 6 May 2020 Webref talk contribs created page Axial-flow compressor (Created page with "A compressor in which air is compressed in a series of stages as it flows axially through a decreasing tubular area. Pryor, 3 <br/>Source: Dictionary of Mining, Mineral, and...")
  • 11:58, 6 May 2020 Webref talk contribs created page Axial trace (Created page with "The intersection of the axial plane of a fold with the surface of the Earth or any other specified surface. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:58, 6 May 2020 Webref talk contribs created page Axial stream (Created page with "# The main stream of an intermontane valley, which flows along the lowest part of the valley and parallel to its long dimension, in contradistinction to the streams that flow...")
  • 11:57, 6 May 2020 Webref talk contribs created page Axial ratio (Created page with "The lengths of crystallographic axes defined in terms of their ratios with, by convention, a set at unity where one axis is unique and b set at unity where all three axes are...")
  • 11:57, 6 May 2020 Webref talk contribs created page Axial priming (Created page with "A system for priming blast agents in which a core of priming material extends through most or all of the blasting agent charge length. <br/>Source: Dictionary of Mining, Mine...")
  • 11:57, 6 May 2020 Webref talk contribs created page Axial plane (Created page with "# A plane through a rock fold that includes the axis and divides the fold as symmetrically as possible. <br/>Source: Leet, L. Don. 1982. Physical Geology, 6th Edition. Englewo...")
  • 11:56, 6 May 2020 Webref talk contribs created page Axial line (Created page with "See: axis <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:56, 6 May 2020 Webref talk contribs created page Axial flow (Created page with "In pumping or in ventilation, the use of a propeller or impeller to accelerate the load along the axis of the impeller. Pryor, 3 <br/>Source: Dictionary of Mining, Mineral, a...")
  • 11:56, 6 May 2020 Webref talk contribs created page Axial figure (Created page with "# The interference figure that is obtained in convergent light when an optic axis of the mineral being observed in thin section or as a fragment coincides with the axis of the...")
  • 11:56, 6 May 2020 Webref talk contribs created page Axial element (Created page with "In crystallography, the ratio of a unit distance along a crystallographic axis and the corresponding angle between axes. Syn: lattice parameter <br/>Source: Dictionary of Mini...")
  • 11:55, 6 May 2020 Webref talk contribs created page Axial compression (Created page with "In experimental work with cylinders, a compression applied parallel with the cylinder axis. It should be used in an appropriate sense only in the interpretation of deformed ro...")
  • 11:55, 6 May 2020 Webref talk contribs created page Axial angle (Created page with "# The acute angle between the two optic axes of a biaxial crystal. Its symbol is 2V. AGI # The axial angle in air (symbol 2E) is the larger angle between the optic axes after...")
  • 11:33, 6 May 2020 Webref talk contribs created page Axes (Created page with "# Crystallographic directions through a crystal; used as lines of reference. Hurlbut # Reference coordinates a, b, c, in crystallography, crystallographic axes. # Directions...")
  • 11:30, 6 May 2020 Webref talk contribs created page AX (Created page with "Letter name specifying the dimensions of core, core barrels, and casing in the A-size and X-series wireline diamond drilling system having a core diameter of 30.1 mm and a hol...")
  • 11:30, 6 May 2020 Webref talk contribs created page Awaruite (Created page with "An isometric mineral, Ni2 Fe to Ni3 Fe . Syn: native nickel-iron <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:29, 6 May 2020 Webref talk contribs created page AW (Created page with "Letter name specifying the dimensions of bits, core barrels, and drill rods in the A-size and W-group wireline diamond drilling system having a core diameter of 30.1 mm and a...")
  • 11:29, 6 May 2020 Webref talk contribs created page Avicennite (Created page with "An isometric mineral, Tl2 O3 ; black; forms minute crystals. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:29, 6 May 2020 Webref talk contribs created page Average loading (Created page with "The average number of tons of a specified material to be carried by a conveyor per hour, based on total operating-shift tonnage. NEMA, 2 <br/>Source: Dictionary of Mining, Mi...")
  • 11:29, 6 May 2020 Webref talk contribs created page Average clause (Created page with "Eng. A clause that, in granting leases of minerals (coal, ironstone, and clay in particular), provides that lessees may, during every year of the term, make up any deficiency...")
  • 11:28, 6 May 2020 Webref talk contribs created page Average assay value (Created page with "See: assay value <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:28, 6 May 2020 Webref talk contribs created page Aventurine quartz (Created page with "See: aventurine <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:28, 6 May 2020 Webref talk contribs created page Aventurine glass (Created page with "A glass supersaturated with either iron, chromium, or copper oxide (or a combination of the oxides) that is melted and cooled under controlled conditions to cause the excessiv...")
  • 11:28, 6 May 2020 Webref talk contribs created page Aventurine feldspar (Created page with "Orthoclase, albite, or oligoclase that is more or less transparent, with fiery reflections from enclosed flat mineral particles, which are probably hematite or goethite. Sunst...")
  • 11:27, 6 May 2020 Webref talk contribs created page Aventurine (Created page with "# A glass containing opaque sparkling particles of foreign material, which is usually copper or chromic oxide. With copper particles, it is called gold aventurine, and with ch...")
  • 11:27, 6 May 2020 Webref talk contribs created page Aventurescence (Created page with "# A word used to describe the metallic spangled effect seen, in reflected light, in aventurine and aventurine feldspar. A sort of schiller but more scintillating. # A display...")
  • 11:27, 6 May 2020 Webref talk contribs created page Avanturine (Created page with "Alternate spelling of aventurine. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:27, 6 May 2020 Webref talk contribs created page Avalanche protector (Created page with "Guardplates that prevent loose material from sliding into contact with the wheels or tracks of a digging machine. Nichols, 1 <br/>Source: Dictionary of Mining, Mineral, and R...")
  • 11:26, 6 May 2020 Webref talk contribs created page Avalanche (Created page with "A large mass of snow, ice, soil, or rock, or mixtures of these materials, falling, sliding, or flowing very rapidly under the force of gravity. Velocities may sometimes exceed...")
  • 11:26, 6 May 2020 Webref talk contribs created page Available silica (Created page with "The amount of silica present in a flux that is not slagged by impurities in the flux itself. Newton, 1 <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:26, 6 May 2020 Webref talk contribs created page Available relief (Created page with "# The vertical distance between the altitude of the original surface after uplift and the level at which grade is first attained. AGI # The relief that is available for erosi...")
  • 11:26, 6 May 2020 Webref talk contribs created page Available power loss (Created page with "The available power loss of a transducer connecting an energy source and an energy load is the transmission loss measured by the ratio of the source power to the output power...")
  • 11:25, 6 May 2020 Webref talk contribs created page Available power (Created page with "The rate at which a given source would deliver energy to a load having an impedance that is the conjugate of the source impedance is designated as the available power of that...")
  • 11:25, 6 May 2020 Webref talk contribs created page Available lime (Created page with "# Those constituents of a lime that enter into a desired reaction under the conditions of a specific method or process. ASTM # Represents the total free lime (CaO) content in...")
  • 11:25, 6 May 2020 Webref talk contribs created page Available energy (Created page with "That part of the total energy that can be usefully employed. In a perfect engine, that part which is converted to work. Strock, 2 <br/>Source: Dictionary of Mining, Mineral,...")
  • 11:25, 6 May 2020 Webref talk contribs created page Available alumina (Created page with "The theoretical amount of extractable aluminum oxide, Al2 O3 , present in a bauxite. The amount of alumina in a bauxite that is present in a form that allows it to be extracte...")
  • 11:24, 6 May 2020 Webref talk contribs created page Auxiliary ventilation (Created page with "A method of supplementing the main ventilating current in a mine by using a small fan to draw air from the main current and force it through canvas or metal pipe to some parti...")
  • 11:24, 6 May 2020 Webref talk contribs created page Auxiliary operations (Created page with "In metallurgy, diverse operations, such as storing in bins, conveying (by conveyors, feeders, elevators, or pumps), sampling, weighing, reagent feeding, and pulp distribution....")
  • 11:24, 6 May 2020 Webref talk contribs created page Auxiliary mineral (Created page with "In Johannsen's classification of igneous rocks, any light-colored, relatively rare mineral, or mineral occurring in small quantities, such as apatite, muscovite, corundum, flu...")
  • 11:24, 6 May 2020 Webref talk contribs created page Auxiliary fault (Created page with "A branch fault. A minor fault ending against a major fault. AGI <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:23, 6 May 2020 Webref talk contribs created page Auxiliary cylinder (Created page with "A cylinder, operated by compressed air, that is used to assist the main engine of a compressed-air shaker conveyor, esp. where the conveyor cannot develop a sufficient amount...")
  • 11:23, 6 May 2020 Webref talk contribs created page Auxiliary anode (Created page with "A supplementary anode placed in a position to raise the current density on a certain area of the cathode to get better plate distribution. ASM, 1 <br/>Source: Dictionary of M...")
  • 11:23, 6 May 2020 Webref talk contribs created page Auxiliary (Created page with "# Tools or other equipment, such as a pump, drill rods, casing, core barrel, bits, water swivel, safety clamp, etc., required for use with a drill machine to carry on specific...")
  • 11:22, 6 May 2020 Webref talk contribs created page Autunite (Created page with "# Ca(UO2)2(PO4)2 * 10-12H2O <br/>See meta-autunite. <br/>U = 45.4 percent to 48.2 percent. <br/>Color: Yellow. Common secondary mineral. <br/>Synonyms: calciumphosphoruranit,...")
  • 11:21, 6 May 2020 Webref talk contribs created page Autrometer (Created page with "# An automatic multielement-indexing X-ray spectrograph, capable of the qualitative and quantitative determinations of as many as 24 elements in a single sample. Choice of the...")
  • 11:20, 6 May 2020 Webref talk contribs created page Autotroph (Created page with "Organism capable of growth exclusively at the expense of inorganic nutrients. See also: chemolithotroph; photolithotroph. <br/>Source: Dictionary of Mining, Mineral, and Rela...")
  • 11:20, 6 May 2020 Webref talk contribs created page Autostoper (Created page with "A stoper or light compressed-air rock drill, mounted on an air-leg support that not only supports the drill but also exerts pressure on the drill bit. Nelson <br/>Source: Dic...")
  • 11:19, 6 May 2020 Webref talk contribs created page Autospray (Created page with "A device for controlling dust carried by loaded conveyors. A liquid medium is sprayed on the conveyor load only when moving and not when stationary, or when the belt is runnin...")
  • 11:19, 6 May 2020 Webref talk contribs created page Autopneumatolysis (Created page with "Autometamorphism involving the crystallization of minerals or the alteration of a rock by gaseous emanations originating in the magma or rock itself. CF: autometasomatism <br...")
  • 11:19, 6 May 2020 Webref talk contribs created page Automorphic-granular (Created page with "See: automorphic <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:19, 6 May 2020 Webref talk contribs created page Automorphic (Created page with "# Said of the holocrystalline texture of an igneous or metamorphic rock, characterized by crystals bounded by their own rational faces. Also said of a rock with such a texture...")
  • 11:19, 6 May 2020 Webref talk contribs created page Automolite (Created page with "A dark-green to nearly black variety of gahnite. Schaller <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:18, 6 May 2020 Webref talk contribs created page Autometasomatism (Created page with "Alteration of a recently crystallized igneous rock by its own last water-rich liquid fraction, trapped within the rock, generally by an impermeable chilled border. CF: autopne...")
  • 11:18, 6 May 2020 Webref talk contribs created page Autometamorphism (Created page with "# A process of recrystallization of an igneous rock under conditions of falling temperature, attributed to the action of its own volatiles, e.g., serpentinization of peridotit...")
  • 11:18, 6 May 2020 Webref talk contribs created page Automatic winding (Created page with "This term includes at least three different systems: (1) fully automatic winding in which no driver, banksman, or onsetter is employed; (2) pushbutton automatic winding, simil...")
  • 11:17, 6 May 2020 Webref talk contribs created page Automatic sprinkler (Created page with "A water sprinkling device closed by a metallic alloy that melts at a low temperature. In case of fire the alloy melts, releasing a water spray. These devices are used in wood-...")
  • 11:17, 6 May 2020 Webref talk contribs created page Automatic sampling (Created page with "Automatic removal of samples at timed intervals from a passing stream of ore, pulp, or solution. Pryor, 3 <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:17, 6 May 2020 Webref talk contribs created page Automatic sampler (Created page with "An instrument designed to take samples of mine gases or water at predetermined times or intervals. <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:17, 6 May 2020 Webref talk contribs created page Automatic recorder (Created page with "Appliance for recording the working time of machines such as cutter loaders, conveyors, etc. A vibrating type, fitted on the equipment itself, marks on a chart a straight line...")
  • 11:17, 6 May 2020 Webref talk contribs created page Automatic reclosing relays (Created page with "Relays used to automatically reclose electrically operated circuit breakers. They limit the duration of power failures in many instances where faults clear themselves quickly....")
  • 11:16, 6 May 2020 Webref talk contribs created page Automatic pumping (Created page with "An arrangement to stop and start a mine pump automatically by means of a float switch. Nelson <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:16, 6 May 2020 Webref talk contribs created page Automatic pump control (Created page with "The starting and stopping of a pump by a mechanism actuated by the level of water in the suction well or pump, or by the level or pressure of water in a discharge tank. BS, 10...")
  • 11:16, 6 May 2020 Webref talk contribs created page Automatic heat-treating machine (Created page with "See: Gilman heat-treating machine <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:16, 6 May 2020 Webref talk contribs created page Automatic feed sampler (Created page with "An automatic, timed sampling device used at mill feeds and other plants. Nelson <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:16, 6 May 2020 Webref talk contribs created page Automatic feed (Created page with "# A hydraulic-control system of valves that when once set and without the manual assistance of a drill runner will reduce or increase feed pressure applied to a drill stem as...")
  • 11:15, 6 May 2020 Webref talk contribs created page Automatic doors (Created page with "Air doors on a haulage road that are automatically operated by a passing vehicle or train of tubs, or other means. BS, 8 <br/>Source: Dictionary of Mining, Mineral, and Relat...")
  • 11:15, 6 May 2020 Webref talk contribs created page Automatic door (Created page with "# A mine door operated by pressure of the locomotive wheels on a switch along the rails approaching the doors, which closes the door automatically after the trip has passed. T...")
  • 11:15, 6 May 2020 Webref talk contribs created page Automatic dam (Created page with "See: boomer <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:14, 6 May 2020 Webref talk contribs created page Automatic cyclic winding (Created page with "A system of automatic winding in which the complete installation operates without human aid and winding continues automatically as long as coal is available at the shaft botto...")
  • 11:14, 6 May 2020 Webref talk contribs created page Automatic coupling (Created page with "A device that automatically couples cars when they bump together. Zern <br/>Source: Dictionary of Mining, Mineral, and Related Terms")
  • 11:14, 6 May 2020 Webref talk contribs created page Automatic clutch (Created page with "A clutch whose engagement is controlled by centrifugal force, vacuum, or other power without attention by the operator. Nichols, 1 <br/>Source: Dictionary of Mining, Mineral,...")
  • 11:13, 6 May 2020 Webref talk contribs created page Automatic clip (Created page with "An appliance for attaching and detaching mine trams or cars without manual effort. It is generally attached at inby clipping stations and detached at the shaft bottom. See als...")
  • 11:13, 6 May 2020 Webref talk contribs created page Automatic belt takeup (Created page with "A device used with certain types of belt conveyors for the taking up or storage of belt during reversible operation. Jones, 1 <br/>Source: Dictionary of Mining, Mineral, and...")
  • 11:13, 6 May 2020 Webref talk contribs created page Automatic ash analysis (Created page with "Analysis in which the coal sample passes first to a conditioning unit, which dries and grinds it, then to an X-ray analysis unit. The analysis is based on the difference in th...")
  • 11:13, 6 May 2020 Webref talk contribs created page Autolith (Created page with "# An inclusion in an igneous rock to which it is genetically related. CF: xenolith # In a granitoid rock, an accumulation of iron-magnesium minerals of uncertain origin. It ma...")
  • 11:12, 6 May 2020 Webref talk contribs created page Autointrusion (Created page with "# A process wherein the residual liquid of a differentiating magma is injected into rifts formed in the crystallized fraction at a late stage by deformation of unspecified ori...")
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