Acidic rocks - Кислая порода Igneous rock carrying a ( 65%) proportion of silica.
Acid mine drainage - Кислые стоки Acidic run-off water from mine waste dumps and mill tailings ponds containing sulphide minerals.
Adit - (Штольня. Квершлаг) An opening driven horizontally into the side of a mountain or hill for providing access to a mineral deposit.
Agglomeration - Метод скомкования. A method of concentrating valuable minerals based on their adhesion properties.
Agitation - Перемешивание In metallurgy, the act or state of being stirred or shaken mechanically, sometimes accomplished by the introduction .
Alluvium - Наносный Relatively recent deposits of sedimentary material laid down in river beds, flood plains, lakes, or at the base of mountain slopes. Alluvial)
Alteration - Изменение Any physical or chemical change in a rock or mineral subsequent to its formation. Milder and more localized than metamorphism.
Amalgama - substance formed by the reaction of mercury with another metal. Amalgamation - Амальгамация extaction jf gold from ore.
Amorphous - Аморфный A term applied to rocks or minerals that possess no definite crystal structure or form, such as amorphous carbon.
Amortization - Амортизация The gradual and systematic writing off of a balance in an account over an appropriate period.
ANFO - ВВ, Взрывчатые вещества и материалы. Acronym for ammonium nitrate and fuel oil, a mixture used as a blasting agent in many mines.
Annual report - Текуший отчёт The formal financial statements and report on operations issued by a corporation to its shareholders after its fiscal year-end.
Anomaly - Any departure from the norm which may indicate the presence of mineralization in the underlying bedrock.
Anticline - An arch or fold in layers of rock shaped like the crest of a wave.
Arsenic - Мышьяк A natural element that can be found distributed throughout the Earth"s crust. It is found in arsenopyrite, the same rock in which gold is often embedded.
Assets-Активы, фонды, имущества.
Assay - Анализ проб A chemical test performed on a sample of ores or minerals to determine the amount of valuable metals contained.
Assay map - План опробования Plan view of an area indicating assay values and locations of all samples taken on the property.
Assessment work - Оценивание The amount of work, specified by mining law, that must be performed each year in order to retain legal control of mining claims.
Backfill - Вмещающая порода Waste material used to fill the void created by mining.
Balance sheet - Балансовый отчёт A formal statement of the financial position of a company on a particular day, normally presented to shareholders once a year.
Ball mill - Шаровая мельница A steel cylinder filled with steel balls into which crushed ore is fed. The ball mill is rotated, causing the balls to cascade and grind the ore.
Bio-leaching - Биовыщелачивание A process for recovering metals from low-grade ores by dissolving them in solution, the dissolution being aided by bacterial action.
Blaster - Взрывник A mine employee responsible for loading, and detonating.
Bulk sample-Крупно-валовая проба A large sample of mineralized rock, frequently hundreds of tons, selected in such a manner as to be representative of the potential orebody being sampled. Used to determine metallurgical characteristics.
Carbon-in-pulp - Уголь в пульпе A method of recovering gold and silver from pregnant cyanide solutions by adsorbing the precious metals to granules of activated carbon, which are typically ground up coconut shells.
Cash flow - Денежный поток The net of the inflow and outflow of cash during an accounting period. Does not account for depreciation or bookkeeping write-offs which do not involve an actual cash outlay.
Cathode - Катод A rectangular plate of metal, produced by electrolytic refining, which is melted into commercial shapes such as wirebars, billets, ingots, etc.
Change house-АБК The mine building where workers change into work clothes;"dry".
Channel sample - Бороздовое опробование A sample composed of pieces of vein or mineral deposit that have been cut out of a small trench or channel about 10 cm wide and 2 cm deep.
Claim - заявка на отвод участка A portion of land held either by a prospector or a mining company. In Canada, the common size is 1,320 ft. about 400m square, or 40 acr.
Clarification - Очистка Process of clearing dirty water by removing material.
Classifier - Класификатор A mineral-processing machine which separates minerals according to size and density.
Clay - Глина A fine-grained material composed of hydrous aluminum silicates.
Closed circuit - Циркуляция A loop in the milling process wherein a selected portion of the product of a machine is returned to the head of the machine.
Complex ore - Комплексная руда An ore containing a number of minerals of economic value. The term often implies that there are metallurgical difficulties the valuable metals.
Concentrate - Концентрат A fine, powdery product of the milling process containing a high percentage of valuable metal.
Contact metamorphism - Контактный метоморфизм Metamorphism of country rocks adjacent to an intrusion, caused by heat from the intrusion.
Core - Керн The long cylindrical piece of rock, about an inch in diamond drilling.
Crosscut - Квершлаг A horizontal opening driven from a shaft and (or near) right angles to the strike of a vein or other orebody.
Custom smelter - A smelter which processes concentrates from independent mines.
Cyanidation - Цианарование A method of extracting exposed gold or silver grains from crushed or ground ore by dissolving it in a weak cyanide solution. May be carried out in tanks inside a mill or in heaps of ore out of doors.
Cyanide - Цианид A chemical species containing carbon and nitrogen used to dissolve gold and silver from ore.
Deck - Шахтный двор The area around the shaft collar where men and materials enter the cage to be lowered underground.
Decline - Наклонная выработка A sloping underground opening for machine access from level to level or from surface; also called a ramp.
Development - Вскрытие м-ния Underground work carried out for the purpose of opening up a mineral deposit. Includes shaft sinking, crosscutting, drifting and raising.
Diamond drill - Алмазное бурение A rotary type of rock drill that cuts a core of rock that is recovered in long cylindrical sections, two cm or more in diameter.
Dilution (mining) - Разубоживание руды Rock that is, by necessity, removed along with the ore in the mining process, subsequently lowering the grade of the ore.
Dip - Падение The angle at which a vein, structure or rock bed is inclined from the horizontal as measured at right angles to the strike.
Drift - Штрек A horizontal underground opening that follows along the length of a vein or rock formation as opposed to a crosscut which crosses the rock formation.
Due diligence - ТЭД The degree of care and caution required before making a decision; loosely, a financial and technical investigation.
Dump - Породный отвал A pile of broken rock or ore on surface.
Dyke - Дайка A long and relatively thin body of igneous rock that, while in the molten state, intruded a fissure in older rocks.
Erosion - Эрозия The breaking down and subsequent removal of either rock or surface material by wind, rain, wave action, freezing and thawing and other processes.
Exploration - Геолого-разведка Prospecting, sampling, mapping, diamond drilling and other work involved in searching for ore.
Fault - Разлом A break in the Earth's crust caused by tectonic forces which have moved the rock on one side with respect to the other.
Flotation - Флотация A milling process in which valuable mineral particles are induced to become attached to bubbles and float as others sink.
Flowsheet - Илюстрация An illustration showing the sequence of operations, step by step, by which ore is treated in a milling, concentration or smelting process.
Flux - Флюс A chemical substance that reacts with gangue minerals to form slags, which are liquid at furnace temperature and low enough in density to float on the molten bath of metal.
Footwall - Лежачий бок The rock on the underside of a vein or ore structure.
Galena - Галенит Lead sulphide, the most common ore mineral of lead.
Geochemistry - Геохимия The study of the chemical properties of rocks.
Geology - Геология The science concerned with the study of the rocks, the Earth.
Glacial drift - Ледник Sedimentary material that has been transported by glaciers.
Grab sample - Отбор проб A sample from a rock outcrop that is assayed to determine if valuable elements are contained in the rock.
Granite - Гранит A coarse-grained intrusive igneous rock consisting of quartz and feldspar
Grizzly (or mantle) - Грохота A grating, usually constructed of steel rails, placed over the top of a chute or ore pass for the purpose of stopping large pieces of rock .
Head grade - Ср.содержание питания The average grade of ore fed into a mill.
Heap leaching - Кучное выщелачивание A process whereby valuable metals, usually gold and silver, are leached from a heap, or pad, of crushed ore by leaching solutions percolating down
through the heap and collected from a sloping, impermeable liner below the pad.
Hedging - Определения риска Taking a buy or sell position in a futures market opposite to a position held in the cash market to minimize the risk of financial loss .
High grade - Высокое содержание руды Rich ore. As a verb, it refers to selective mining of the best ore in a deposit.
Host rock - Вмешающая порода The rock surrounding an ore deposit.
Hydrometallurgy - Гидрометаллургия The treatment of ore by wet processes, such as leaching, resulting in the solution of a metal and its subsequent recovery.
Igneous rocks - Магматическая парода Rocks formed by the solidification of molten material from far below the earth's surface.
Industrial minerals - Промышленные минералы Non-metallic, non-fuel minerals used in the chemical and manufacturing industries. Examples are asbestos, gypsum, salt, graphite, mica, gravel, building stone and talc.
Intrusive - Интрузия A body of igneous rock formed by the consolidation of magma intruded into other rocks, in contrast to lavas, which are extruded upon the surface.
Jaw crusher - Щековая дробилка A machine in which rock is broken by the plates.
Jig - Отсадочна машина A piece of milling equipment used to concentrate ore on a screen submerged in water, either by the reciprocating motion of the screen or by the pulsation of water
Lava - Лава A general name for the molten rock ejected by volcanoes.
Leaching - Растворение A chemical process for the extraction of valuable minerals from ore; also, a natural process by which ground waters dissolve minerals, thus leaving the rock with
a smaller proportion of some of the minerals than it contained originally.
Lens - Линза Generally used to describe a body of ore that is thick in the middle and tapers towards the ends.
Level - Уровень The horizontal openings on a working horizon in a mine; it is customary to work mines from a shaft, establishing levels at regular intervals.
Limestone - Известняк A bedded, sedimentary deposit consisting of calciy, carbonate.
Lode - Месторождение A mineral deposit in solid rock.
Magma - Магма The molten material deep in the Earth from which rocks are formed.
Magnetic separation - Способ обогащения A process in which a magnetically susceptible mineral is separated from gangue minerals by applying a strong magnetic field;
ores of iron are commonly treated in this way.
Magnetite - Магнетит Black, magnetic iron ore, an iron oxide.
Map-staking - Карта столбления A form of claim-staking practised in some jurisdictions whereby claims are staked by drawing lines around the claim.
Marble - Мрамор A metamorphic rock derived from the recrystallization of limestone under intense heat and pressure.
Matte - Штейн A product of a smelter, containing metal and some sulphur, which must be refined further to obtain pure metal.
Metallurgy - Металлургия The study of extracting metals from their ores.
Metamorphism - Метаморфизм The process by which the form or structure of rocks is changed by heat and pressure.
Mill - Фабрика A plant in which ore is treated and metals are recovered or prepared for smelting;
Milling ore - Измельчение руды Ore that contains sufficient valuable mineral to be treated by milling process.
Minable reserves - Извлекаемые запасы Ore reserves that are known to be extractable using a given mining plan.
Muck - Отбитая порода Ore or rock that has been broken by blasting.
Nugget - Самородок A small mass of precious metal, found free in nature.
Open pit - Карьер A mine that is entirely on surface. Also referred to as open-cut.
Ore - Руда A mixture of ore minerals and gangue from which at least one of the metals can be extracted at a profit.
Ore pass - Рудоспуск Vertical or inclined passage for the downward transfer of ore connecting a level with the hoisting shaft or a lower level.
Orebody - Рудное тело A natural concentration of valuable material that can be extracted and sold at a profit.
Ore Reserves - Запасы руды The calculated tonnage and grade of mineralization which can be extracted profitably; classified as possible,
probable and proven according to the level of confidence that can be placed in the data.
Oreshoot - Балансовый блок The portion, or length, of a vein or other structure that carries sufficient valuable minerals to be extracted profitably.
Outcrop - Обнажение An exposure of rock or mineral deposit that can be seen on surface, that is, not covered by soil or water.
Oxidation - Окисление A chemical reaction caused by exposure to oxygen that results in a change in the chemical composition of a mineral.
Pan - Лоток To wash gravel, sand or crushed rock samples in order to isolate gold or other valuable metals by their higher density.
Patent - Патент The ultimate stage of holding a mineral claim, after which no more assessment work is necessary because all mineral rights have been earned.
Pillar - Целик A block of solid ore or other rock left in place to structurally support the shaft, walls or roof of a mine.
Placer - Россыпи A deposit of sand and gravel containing valuable metals (gold)
Plant - Фабрика, завод A building or group of buildings in which a process or function is carried out;
at a mine site it will include warehouses, hoisting equipment, compressors, maintenance shops, offices and the mill or concentrator.
Portal - Устье The surface entrance to a tunnel or adit.
Possible reserves - Вероятные запасы Valuable mineralization not sampled enough to accurately estimate its tonnage and grade. Also called "inferred reserves."
Primary deposits - Первичные руды Valuable minerals deposited during the original period or periods of mineralization, as opposed to those deposited as a result of alteration or weathering.
Probable reserves - Прогнозные запасы Valuable mineralization not sampled enough to accurately estimate the terms of tonnage and grade-called "indicated reserves."
Profit and loss statement - Прибыль и издержки The income statement of a company detailing revenues minus total costs to give total profit.
Prospect - Площадь разведки A mining property, the value of which has not been determined by exploration.
Proven reserves - Доказанные запасы Reserves that have been sampled extensively by closely spaced diamond drill holes and developed by underground workings in sufficient detail to render an accurate estimation of grade and tonnage.
Also called "measured reserves."
Pulp - Пульпы Pulverized or ground ore in solution.
Pyrite - Пирит A yellow iron sulphide mineral, normally of little value. It is sometimes referred to as "fool's gold".
Quartz - Кварц Common rock-forming mineral consisting of silicon and oxygen.
Quartzite - Кварцит A metamorphic rock formed by the transformation of a sandstone by heat and pressure.
Raise - Восстающий A vertical or inclined underground working that has been excavated from the bottom upward.
Rake - Уклон The trend of an orebody along the direction of its strike.
Rare earth elements - Relatively scarce minerals such as niobium and yttrium.
Reclamation - Востановление The restoration of a site after mining.
Recovery - Извлечение The percentage of valuable metal in the ore that is recovered by metallurgical treatment.
Refractory ore - Упорные руды Ore that resists the action of chemical reagents in the normal treatment processes and which may require pressure leaching or other means to effect the full recovery of the valuable minerals.
Resource - Ресурсы The calculated amount of material, based on limited drill information.
Run-of-mine - Пром. минимум A term used loosely to describe ore of average grade.
Room-and-pillar mining - Камерно-столбовая сиситема A method of mining flat-lying ore deposits in which the mined-out area, are separated by pillars of the same size.
Sample - Проба A small portion of rock or a mineral deposit taken so that the metal content can be determined by assaying.
Sampling - Опробование Selecting a fractional but representative part of deposit.
Sandstone - Песчанник A sedimentary rock consisting of grains of sand together.
Schist - Сланец A foliated metamorphic rock the grains of which have a roughly parallel arrangement; generally developed by shearing.
Sedimentary rocks - Осадочная порода. Secondary rocks formed from material derived from other rocks and laid down under water. Examples are lime and sandstone.
Shaft - Шахта A vertical or inclined excavation in rock for the purpose of providing access to an orebody. Usually equipped with a hoist at the top, which lowers and raises a conveyance for handling workers and materials.
Shear zone - Вмещающая зона A zone in which shearing has occurred on a large scale.
Silica - Кремний Silicon dioxide. Quartz is a common example.
Skarn - Скарн Name for the metamorphic rocks surrounding an igneous intrusive where it comes in contact with a limestone or dolostone formation.
Sodium cyanide-Цианид натр. A chemical used in the milling of ores to dissolve gold.
Strike - по восстанию The direction, or bearing from true north, of a vein or rock formation measureon a horizontal surface.
Strip - Вскрышные работы To remove the overburden or waste rock overlying an orebody in preparation for mining by open pit methods.
Stripping ratio - Коэфициент вскрыши The ratio of tonnes removed as waste relative to the number of tonnes of ore removed from an open-pit mine.
Sublevel - Под этажные выработки A level or working horizon in a mine between main working levels.
Sulphide dust explosions - Взрыв сульфидной пыли An underground mining hazard involving thespontaneous combustion of airborne dust containing sulphide minerals.
Sulphur dioxide - Двуокись серы A gas liberated during the smelting of most sulphide ores; either converted into sulphuric acid or released into the atmosphere.
Sustainable development - Устойчивое развитие Industrial development that does not detract from the potential of the natural environment to provide benefits to future generations.
Tailing - Хвосты Material rejected from a mill after most of the recoverable valuable minerals have been extracted. Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens.
Tailings pond - Хвостохранилище A low-lying depression used to confine tailings,
the prime function of which is to allow enough time for heavy metals to settle out or for cyanide to be destroyed before water is discharged into the local watershed.
Talus - Отвал A heap of broken, coarse rock found at the base of a cliff or mountain.
Thickener - Сгуститель A large tank used in milling operations to separate solids from liquids; clear fluid overflows from the tank and rock particles sink to the bottom.
Trench - Траншея A long, narrow excavation dug through overburden, or blasted out of rock, to expose a vein or ore structure.
Tube mill - An apparatus consisting of a revolving cylinder about half-filled with steel
Tunnel - A horizontal underground opening, open to the atmosphere at both ends.
Underbed - underlayer - Простирание
Vein - Жила A fissure, fault or crack in a rock filled by minerals that have travelled upwards from some deep source.
Visible gold - Видимое золото Native gold which is discernible, in a hand specimen, to the unaided eye.
Volcanic rocks - Вулканическая порода Igneous rocks formed from magma that has flowed out or has been violently ejected from a volcano.
Wall rocks - Боковые породы Rock units on either side of an orebody. The hangingwall and footwall rocks of an orebody.
Waste - Порода Unmineralized, or lesmineralized, rock that is not minable at a profit.
Winze - Слепой ствол An internal shaft.
Zone - Рудная зона An area of distinct mineralization.
Zone of oxidation - Зона окисления The upper portion of an orebody that has been oxidized.