defination of gold mining
defination of gold mining
defination of gold mining
Gold Mine Definition of Gold Mine by Merriam-Webster
Gold mine definition is - a rich source of something desired. How to use gold mine in a sentence.
Gold mining Definition of Gold mining at Dictionary
Gold mining definition, the act or process of mining gold. See more.
Gold mining - definition of Gold mining by The Free Dictionary
Gold mining synonyms, Gold mining pronunciation, Gold mining translation, English dictionary definition of Gold mining. n. Informal A rich or plentiful source of something desired. n 1. a place where gold ore is mined 2. a source of great wealth, profit, etc ˈgold-ˌminer n...
Gold Mining Terms Glossary – Gold Bug Park
Download our PDF of Gold Mining Terms. adit – a horizontal or nearly horizontal underground passage coming to the surface at one end of a mine.; alluvial – of or pertaining to alluvium; alluvial soil.; alluvium – a deposit of sand, mud, etc., formed by flowing water.; assay – to analyze (an ore, alloy, etc.) in order to determine the proportion of gold, silver, or other metal in it.
GOLD MINE meaning in the Cambridge English Dictionary
gold mine definition: 1. a place where gold is taken from the ground 2. something that produces wealth or information. Learn more.
What does Gold mining mean? - definitions
Definition of Gold mining in the Definitions.net dictionary. Meaning of Gold mining. Information and translations of Gold mining in the most comprehensive dictionary definitions resource on the web.
Gold mining - Wikipedia
OverviewHistoryStatisticsMethodsGold ore processingBusinessAdverse effectsSafetyIt is impossible to know the exact date that humans first began to mine gold, but some of the oldest known gold artifacts were found in the Varna Necropolis in Bulgaria. The graves of the necropolis were built between 4700 and 4200 BC, indicating that gold mining could be at least 7000 years old. A group of German and Georgian archaeologists claims the Sakdrisi site in southern Georgia, dating to the 3rd or 4th millennium BC, may be the world's oldest known gold mine.
Gold Definition of Gold at Dictionary
Gold definition, a precious yellow metallic element, highly malleable and ductile, and not subject to oxidation or corrosion. Symbol: Au; atomic weight: 196.967 ...
GOLD MINE definition in the Cambridge English Dictionary
gold mine meaning: 1. a place where gold is taken from the ground 2. something that produces wealth or information. Learn more.
Gold mine definition and meaning Collins English Dictionary
Gold mine definition: If you describe something such as a business or idea as a gold mine , you mean that it... Meaning, pronunciation, translations and examples
Mining Terms Explained: A to Z Anglo American
Learn about mining with this dictionary full of mining terms methods, from base metals to stopes more.
Gold Mining Gold Production World Gold Council
Mines and gold mining operations have become increasingly geographically diverse, far removed from the concentrated supply of four decades or so ago when the vast majority of the world’s gold came from South Africa. China was the largest gold producer in the world in 2016, accounting for around 14% of total annual production.
What Does the Grade of a Gold Mine Refer To?
The World Gold Council defines a high-quality underground mine as having a gold ore density between 8 and 10 g/t, while a low-quality underground mine has a gold ore density of 1 to 4 g/t.
Mining - Wikipedia
Mining is the extraction of valuable minerals or other geological materials from the Earth, usually from an ore body, lode, vein, seam, reef or placer deposit.These deposits form a mineralized package that is of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, chalk, dimension stone, rock salt, potash, gravel, and clay.
What Makes a World-class Gold Deposit? Investing News ...
The world’s largest gold mine is Freeport-McMoRan’s (NYSE: FCX) Grasberg mine in Indonesia. Open-pit operations began in 1990, and even today the Grasberg minerals district remains an ...
Methods of Gold Mining - Geology In
Other gold mines use underground mining, where the ore is extracted through tunnels or shafts. South Africa has the world's deepest hard rock gold mine up to 3,900 metres (12,800 ft) underground. At such depths, the heat is unbearable for humans, and air conditioning is required for the safety of the workers. The first such mine to receive air ...
Glossary of Mining Terms - SEC
In the case of mining companies, the consideration paid for properties purchased is often a block of treasury shares. These shares are termed vendor shares and are normally pooled or escrowed. Visible gold - Native gold which is discernible, in a hand specimen, to the unaided eye.
Glossary of Mining Terminology - First Nations
The Glossary of Mining Terminology is a first attempt to improve Inuktitut terminology in the resource development field. The aim of the glossary is to clarify some technical words associated with resource development using everyday language. The Glossary of Mining Terminology is a living document that will continue to be improved as the industry develops and Inuktitut speakers become more ...
Gold Definition of Gold by Merriam-Webster
Gold definition is - a yellow metallic element that occurs naturally in pure form and is used especially in coins, jewelry, and electronics. How to use gold in a sentence.
About Mining and Minerals Bureau of Land Management
About Mining and MineralsThe Mining Law, as amended, opened the public lands of the United States to mineral acquisition by the location and maintenance of mining claims. Mineral deposits subject to acquisition in this manner are generally referred to as "locatable minerals." Locatable minerals include both metallic minerals (gold, silver, lead, copper, zinc, nickel, etc.)
Gold-Mining Definition of Gold-Mining by Lexico
What does gold-mining mean? gold-mining is defined by the lexicographers at Oxford Dictionaries as
Gold mine definition and meaning Collins English Dictionary
Gold mine definition: If you describe something such as a business or idea as a gold mine , you mean that it... Meaning, pronunciation, translations and examples
Methods of Gold Mining - Geology In
Other gold mines use underground mining, where the ore is extracted through tunnels or shafts. South Africa has the world's deepest hard rock gold mine up to 3,900 metres (12,800 ft) underground. At such depths, the heat is unbearable for humans, and air conditioning is required for the safety of the workers. The first such mine to receive air ...
Gold-Mining Definition of Gold-Mining by Lexico
What does gold-mining mean? gold-mining is defined by the lexicographers at Oxford Dictionaries as
Mining definition and meaning Collins English Dictionary
Jul 08, 2020 Mining definition: Mining is the industry and activities connected with getting valuable or useful minerals... Meaning, pronunciation, translations and examples
Glossary of Mining Terms - SEC
In the case of mining companies, the consideration paid for properties purchased is often a block of treasury shares. These shares are termed vendor shares and are normally pooled or escrowed. Visible gold - Native gold which is discernible, in a hand specimen, to the unaided eye.
Glossary of Mining Terminology - First Nations
The Glossary of Mining Terminology is a first attempt to improve Inuktitut terminology in the resource development field. The aim of the glossary is to clarify some technical words associated with resource development using everyday language. The Glossary of Mining Terminology is a living document that will continue to be improved as the industry develops and Inuktitut speakers become more ...
Glossary of Mining Terms – Legends of America
Glossary of terms used in the American Mining Industry. Dry Diggings – Earth excavated in the summer and held to be washed in winter when water was more plentiful.. Dry Washing – Fine soil blown away, leaving the gold.. Drywasher – A common desert mining tool similar to a highbanker but doesn’t need water.It operates by the use of wind. The light junk material is blown off the top of ...
The Concept Of AISC In The Gold Mining Industry: Strength ...
Jan 06, 2015 The All-in sustaining costs or AISC is a new metric, now widely used in the gold mining industry since the second-half of 2013. This new metric has been introduced by the World Gold Council in ...
Sluicing mining Britannica
Other articles where Sluicing is discussed: hydraulic mining: moving the slurry is called sluicing. Educing is the process of introducing the slurry into an enclosed circuit. In the hydraulic mining of gold the rebounding stream of water and mineral fragments is directed into sluices in which the gold settles behind baffles but the lighter waste matter is washed
INTRODUCTION TO MINING - Ciência Viva
mining in systematic openings 2 to 3 ft (0.6 to 0.9 m) in height and more than 30 ft (9m) in depth (Stoces,1954). However,the oldest known underground mine,a hematite mine at Bomvu Ridge,Swaziland(Gregory,1980),is from the Old Stone Age and believed to
Glossary of Mining Terms - Mineral
Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.
Mining Britannica
Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure. (One organic
Sitting on a gold mine - Idioms by The Free Dictionary
Definition of sitting on a gold mine in the Idioms Dictionary. sitting on a gold mine phrase. What does sitting on a gold mine expression mean? Definitions by the largest Idiom Dictionary.
Effects of Gold Mining on the Environment Sciencing
Most forms of gold mining involve moving massive amounts of soil and rock, which can be detrimental to the surrounding wildlife habitat. The U.S. Environmental Protection Agency estimates that the development of a proposed gold and copper mine in Alaska's Bristol Bay would destroy at least 24 miles of streams that support the world's largest sockeye salmon fishery.
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