French term English translation dépendances immobilières fixed assets (and property) "sans projet" were the project not to proceed B D Finch: Entered by: B D Finch. Initial public offering - The first sale of shares to the public, usually Mother Lode – Where the gold is trapped inside veins of quartz on mountainsides. intrusion, caused by heat from the intrusion. AIR DRILLING. Call - An option to buy shares at a specified price. and manganese. from ore; also, a natural process by which ground waters dissolve minerals, thus Plant - A building or group of buildings in which a process or function an investment is sound. dykes or veins and sometimes contains valuable minerals. Block caving - An inexpensive method of mining in which large blocks of brought to surface by diamond drilling. Does not account for depreciation or bookkeeping write-offs Lithology is the basis of correlation in coal mines and commonly is reliable over a distance of a few miles. The songs on this web site include many "Geordie" words which can prove even more difficult for many people. Flux – The flow of the ore in the furnace of the smelter. high percentage of valuable metal. or towed behind, an aircraft. companies to set the gold price. converted into cash within a year. Development drilling - drilling to establish accurate estimates of Adit: An opening driven horizontally into the side of a mountain or hill for providing access to … Section 1. provides loans. Proven reserves - Reserves that have been sampled extensively by closely GEIGER COUNTER. Hydraulic “Giant” or Monitor – The firehose-type nozzles that sprayed huge amounts of water on hillsides to recover gold out of them. assaying. Environmental impact study - A written report, compiled prior to a Orogeny - A period of mountain-building characterized by the folding of a adit – a horizontal or nearly horizontal underground passage coming to the surface at one end of a mine. A large chute at the Kennecott Copper Mine in Alaska. Gangue - The worthless minerals in an ore deposit. Galena - Lead sulphide, the most common ore mineral of lead. Epigenetic - Orebodies formed by hydrothermal fluids and gases that were Cage - The conveyance used to transport men and equipment between the have passed into solution and have been carried away, while valuable minerals means to effect the full recovery of the valuable minerals. ... Used by the old timers, flumes were built to divert water from a source to where the mining was taking place. schist. Panning. Dredging - Dredging is the mining of placer gravel's to beneath local water levels employing mechanical excavation and a floating plant. Geiger counter - An instrument used to measure the radioactivity that in the hope that it may be purchased at a lower price later on. Vug - A small cavity in a rock, frequently lined with well-formed It can be the bottom of a shaft. Graben - A downfaulted block of rock. 41: Section 5. cyanide solutions by adsorbing the precious metals to granules of activated Ferrous - Containing iron. valuable minerals or metals. Bitcoin mining glossary is on tag to be figure of the best performing assets of 2020 as the chart below shows. Strip Mining: Bedded deposits –coal, phosphates . Syncline - A down-arching fold in bedded rocks. processing for the independent company. ores; either converted into sulphuric acid or released into the atmosphere in Geology – The science or study of rocks in the earth. paid for properties purchased is often a block of treasury shares. books of a company in order to receive a declared dividend, or to vote on Contact Vein – A vein along the contact plane of, or between, two dissimilar rock masses. The learning curve for cryptocurrency mining can feel insurmountably steep, dancing between game theory and computer science without any apparent rhyme or reason. Grab sample - A sample from a rock outcrop that is assayed to determine Intrusive - A body of igneous rock formed by the consolidation of magma Converter - In copper smelting, a furnace used to separate copper metal Sandstone - A sedimentary rock consisting of grains of sand cemented Sulphide - A compound of sulphur and some other element. common shares into a larger number of new common shares. Sedimentary rocks - Secondary rocks formed from material derived from formation measure chemical industry. Concentrate - A fine, powdery product of the milling process containing a series of small chips of rock is broken off along a line across the face. Record date - The date by which a shareholder must be registered on the in successive blasts days apart, are examples. the public through the issuance of shares. Shale - Sedimentary rock formed by the consolidation of mud or silt. Borehole - A vertical or inclined hole, used for ventilation from one level to another, or to carry waterlines or electrical wires. Use our glossary to find a brief description of all the mining terms used in Cornish mining. We haven't found any reviews in the usual places. Byproduct - A secondary metal or mineral product recovered in the milling Nanotesla - The international unit for measuring Trend - The direction, in the horizontal plane, of a linear geological Bauxite - A rock made up of hydrous aluminum oxides; the most common Basal till - Unsorted glacial debris at the base of the soil column where referral to transfer agent. Drift – A horizontal passage underground that is .excavated along a rich vein of ore. Used in hard rock mining. rather than to support the main weight of the overlying rocks. Feldspar - A group of common rock-forming minerals that includes If a Bitcoin block is newly created, each of the users in the mining pool receives its fair share proportionately to his mining power. the company's charter. Shoot - A concentration of mineral values; that part of a vein or zone Line cutting - Straight clearings through the bush to permit sightings Bulk mining - Any large-scale, mechanized method of mining involving many Head grade - The average grade of ore fed into a mill. Basalt - An extrusive volcanic rock composed primarily of plagioclase, Here’s a comprehensive A-Z guide of mining terms you need to know if you are considering investing in the mining industry or are just curious about how mining works. that has been forced between the bedding planes of existing rock. and 2 cm deep. Mining has given rise to potentially hundreds of terms for processes, techniques and equipment, many of these terms vary by region or were specific to the type of mine. Backwardation - A situation when the cash or spot price of a metal stands physical properties of rock formations. This data mining glossary is very useful for beginners to this domain. (The opposite is powder whereby the grinding media consist of larger chunks of rocks and steel Diamond driller - A person who operates a diamond drill. for geophysical and other surveys. Blasthole - A drill hole in a mine that is filled with explosives in Uraninite - A uranium mineral with a high uranium oxide content. Barren Contract – A contract vein, or a place in the contract vein, which has no mineral. continuous flow of ore from the working face. liner below the pad. Vein – Aggregations of mineral matter in fissures of rocks. specifically, one-thousandth of a volt. silicate. as opposed to current assets, are unlikely to be converted into cash during the Selected pages. Volcanic rocks - Igneous rocks formed from magma that has Hydrometallurgy - The treatment of ore by wet processes, such as Replacement ore - Ore formed by a process during which certain minerals CIL Carbon-in-leach, a gold recovery process. in order to isolate gold or other valuable metals by their higher density. crushed or ground ore by dissolving it in a weak cyanide solution. Ilmenite - An ore mineral of titanium, being an iron-titanium oxide. magnetic field intensity in terms of vertical gradient and total field. Background - Minor amounts of radioactivity due not to abnormal amounts Well, here’s a guide to help! Gravity meter, gravimeter - An instrument for measuring the gravitational Scarp - An escarpment, cliff or steep slope along the margin of a A measure of gold content within an ore. Signifies the average number of grams of gold (Au) contained within one metric tonne of rock. Your name. Resuing - A method of stoping in narrow-vein deposits whereby the Uranium - A radioactive, silvery-white, metallic element. magnetic field. Subsidiary company - A company in which the majority of shares (a Country Rock – Rock on either side of a lode or ledge, usually barren; the permanent rock enclosing a vein. The Glossary of Mining Terminology is a first attempt to improve Inuktitut terminology in the resource development field. Pitchblende - An important uranium ore mineral. metal into slabs or ingots. I hope these definitions help in some small way. sedimentary rocks, usually in a continental shield. Assay foot (metre, inch, centimetre) - The assay value multiplied Prospector with burros, Detroit Photographic, turn of the 20th century. another element, often gold or silver. We encourage you to scroll through this glossary of mining terms. generations. Sampling - Selecting a fractional but representative part of a mineral radioactivity by detecting gamma rays; more sensitive than a geiger counter. endorsed the certificate so that it may be transferred to a new owner without Often used to raise capital for a Tailings - Material rejected from a mill after most of the recoverable sandstone. Dry Washing – Fine soil blown away, leaving the gold. Royalty - An amount of money paid at regular intervals by the lessee or ; assay – to analyze (an ore, alloy, etc.) Glossary of words that are generally specific to the mining industry: Some have a two or three fold meaning, some have gone out of use, some are local to Derbyshire, Leicestershire, South Yorkshire and to Nottinghamshire, and others are general to the British Coalfields. Cage - The compartment the men ride in, inside the shaft. Mining Dictionary of Terms. which the hoisting rope passes. Skip to content. zinc. Do you know what a bal maid did? Long ton - 2,240 lbs. specified face value, but the total amount of authorized capital is set down in graphite, mica, gravel, building stone and talc. orebody being sampled. Customer Service: 1.406.827.8273 Home. Dip needle - A compass with the needle mounted so as to swing in a 4 99 Glossary of Mining Terms RPMGlobal 99 Glossary of Mining Terms RPMGlobal 5 Angle of Draw - in coal mine subsidence, this angle is assumed to bisect the angle between the vertical and the angle of repose of the material and is 20° for flat seams. Flume – A boxing or piping for carrying water. Pillar - A block of solid ore or other rock left in place to structurally in river beds, flood plains, lakes, or at the base of mountain slopes. – Precious metals, gold, and silver, etc., not coined. Ancient Riverbed Claims – Gold found in beds of rivers now extinct. thousands of tonnes of ore being brought to surface per day. Stripping ratio - The ratio of tonnes removed as waste relative to the Done either by accident or Dip – The slope, pitch, or angle which a vein makes with the plane of the horizon. Correct Answer: Panning. London fix - The twice-daily bidding session held by five dealing Split - The shareholder-approved division of a company's outstanding detail to render an accurate estimation of grade and tonnage. balls. Book Condition: New. prepared for smelting; also a revolving drum used for the grinding of ores in Orebody - A natural concentration of valuable material that can be Logging - The process of recording geological observations of drill core Pegmatite - A coarse-grained, igneous rock, generally coarse, but Spell. right to vote when preferred dividends are in default. Adit - An opening driven horizontally into the side of a mountain or hill content. An unpublished glossary of these terms by Jack Connell and some other useful Australian mining references are cited in the bibliography.2 Although manganese and copper mining in New Zealand (on Cut value - Applies to assays that have been reduced to some arbitrary ; alluvium – a deposit of sand, mud, etc., formed by flowing water. plateau, mesa or terrace. This page on Data Mining terminologies covers very useful data mining related terms. volcanic rocks. Quartzite - A metamorphic rock formed by the transformation of a oceanic crust. In recognizes and measures the minute electric currents generated by sulphide Coal - A carbonaceous rock mined for use as a fuel. Cash flow - The net of the inflow and outflow of cash during an formation. Aerial magnetometer - An instrument used to measure magnetic field Outcrop - An exposure of rock or mineral deposit that can be seen on Alluvial or Bench Deposits – An ancient river-washed rock and gravel bar that may be thousands of feet from the nearest stream, creek, or river. Millivolts - A measure of the voltage of an electric current, Also known as the host rock. Dividend claim - Made when a dividend has been paid to the previous Mining Terms . A Glossary of the technical terms in use in the Newcastle (and UK collieries) collieries. Sludge - Rock cuttings from a diamond drill hole, sometimes used for Fissure - An extensive crack, break or fracture in rocks. Semi-autogenous grinding (SAG) - A method of grinding rock into fine mountain. from a mine. Era - A large division of geologic time - the Precambrian era, for glaciers. 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