definition of alluvial mining

ALLUVIAL | meaning in the Cambridge English Dictionary

alluvial definition: 1. made up of sand and earth left by rivers, floods, etc.: 2. made up of sand and earth left by…. Learn more.

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Alluvial mining

Mining for ''free'' gold is called alluvial mining.Both government authorities and small-scale miners agree that alluvial mining is the most destructive to the environment.

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Alluvial | Definition of Alluvial by Merriam-Webster

Alluvial definition is - relating to, composed of, or found in alluvium. How to use alluvial in a sentence.

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Alluvial mining Definition & Meaning | Dictionary

Alluvial mining definition at Dictionary , a free online dictionary with pronunciation, synonyms and translation. Look it up now!

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Alluvial financial definition of alluvial

In late April 2010, NAR completed the acquisition of the entire equity interests in Dadizi Yuan LLC ("Dadi") through an indirect wholly-owned subsidiary, Dadi holds the mining and exploration licences for two alluvial gold mines in Mongolia, which have a total mining area of approximately 2,003 hectares (representing approximately 20.03 square kilometers), with measured gold reserves of 324.7 ...

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What is alluvial placer? – AnswersToAll

 · Alluvial gold mining is the process of extracting gold from these creaks, rivers and streams and is generally considered to be the most environmentally friendly method of gold mining as a result of the reduced environmental impact when compared to underground mining.

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ALLUVIAL | Definition of ALLUVIAL by Oxford Dictionary on ...

''Silicate minerals constitute most alluvial sediment on Earth.'' ''The fertile soil is fine-textured, alluvial, loamy and free from boulders.'' ''These pioneer prospectors practiced surface mining, obtaining gold from the alluvial deposits called placers.''

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Ethical diamonds: What Conscientious Consumers Need to ...

 · Industrial mining companies, including De Beers, also perform alluvial mining. However, a percentage of this form of mining is performed by hand—a painstaking process, much like gold mining in the 19th and early 20th centuries, commonly referred to as artisanal mining—by individuals, mainly in African nations.

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What does placer mining mean?

Definition of placer mining in the Definitions dictionary. Meaning of placer mining. What does placer mining mean? ... Placer mining is the mining of alluvial deposits for minerals. This may be done by open-pit or by various surface excavating equipment or tunneling equipment. Placer mining is frequently used for precious metal deposits and ...

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Diamond Mining and Artisanal Mining | Keep Giving Diamonds

Diamond Mining Most diamond mining is conducted in two ways: - Open pit mining – excavation on the surface of the ground - Underground mining – excavation below the ground Diamonds are also extracted from alluvial deposits, where they are removed from sand, gravel and clay that has been naturally transported by water erosion and…

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Alluvial plain Definition & Meaning | Dictionary

Alluvial plain definition, a level or gently sloping surface formed of sediments laid down by streams, generally during flooding. See more.

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Placer mining : definition of Placer mining and synonyms ...

Placer mining ( / ˈ p l æ s ər / or / ˈ p l eɪ s ər /) [1] is the mining of alluvial deposits for minerals.This may be done by open-pit (also called open-cast mining) or by various surface excavating equipment or tunneling equipment.. The name is sometimes said to derive from Spanish placer, meaning "to please," (pleasure) because it is easy mining as compared with others.

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Alluvial and Placer Mineral Deposits | Geology for Investors

 · Alluvial is the name for placer deposits formed by water action in a stream or river. For most people, it''s all about alluvial deposits, or to be blunt, the allure of gold, with the odd precious and semi-precious gem thrown into the mix. You can still become an amateur gold or gem miner.

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Alluvials | Definition of Alluvials by Merriam-Webster

Alluvial definition is - relating to, composed of, or found in alluvium. How to use alluvial in a sentence.

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An Archaeologist''s Guide to Mining Terminology

drift/drifting: loose alluvial material. Mining into it was called drifting (see hard rock mining definition). dry-blowing: a way of separating grains of alluvial gold from sand on arid Australian goldfields. The dirt was dropped from a height, enabling the wind to blow away the …

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Placer deposit

In geology, a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation from a specific source rock during sedimentary processes. The name is from the Spanish word placer, meaning "alluvial sand". Placer mining is an important source of gold, and was the main technique used in the early years of many gold rushes, including the California Gold Rush.

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alluvial gold definition | English definition dictionary ...

alluvial gold definition, meaning, English dictionary, synonym, see also ''alluvial fan'',alluvial mining'',alluvial fan'',alluvial mining'', Reverso dictionary, English ...

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Economic Evaluation of a Mine

 · In this post we will go through few tips on evaluating the economic viability of a mineral deposit (simple alluvial mining operation). In this example we will ignore the effects of the specific definition of mineral resources and ore reserves (Recommended: see definitions) and holistically assume all as mineral resources. Note that this is a ...

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Alluvial mining | Article about alluvial mining by The ...

alluvial mining. The exploitation of alluvial deposits by dredging, hydraulicking, or drift mining. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster''s page for free fun content .

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Diamond Mines

Strip Mining is the process of mining thin seams near the surface by stripping in successive layers. Placer mining (pronounced "plass-er") is the process of mining (by panning or dredging) alluvial (waterborne) or even glacial deposits of diamonds without tunnelling. Definition of Diamond Mines

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Alluvial Mining: Gold, Diamonds and Platinum | Is it ...

 · Alluvial mining is an old technology, but it''s still fairly common today.Some mining companies use the technique, though it''s more often a source of income for individual laborers in areas ...

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Alluvial deposits financial definition of Alluvial deposits

Gold exploration company Soltera Mining Co (PINK SHEETS: SLTA) (Frankfurt:SN7) has signed an agreement with Goldlake Group, a producer of natural/ethical gold from alluvial deposits …

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Alluvial Diamond Mining

Alluvial diamond mining is an above ground form of mining which concentrates on gathering diamonds on the surface. This is the most traditional and oldest mining method in the diamond industry, which originated hundreds of years ago in India. This method …

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geology

Both are very similar, as they are based on minerals undergoing erosion and the presence of water in the erosion and deposition cycles, the difference is quite subtle, an example is defined in the Gold Prospecting in Western Australia website Alluvial Gold and Eluvial Gold as being. Alluvial deposits are mixed with other deposits and are washed downstream in rivers or transported in among ...

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alluvial mining definition | English definition dictionary ...

Search alluvial mining and thousands of other words in English definition and synonym dictionary from Reverso. You can complete the definition of alluvial mining given by the English Definition dictionary with other English dictionaries: Wikipedia, Lexilogos, Oxford, Cambridge, Chambers Harrap, Wordreference, Collins Lexibase dictionaries, Merriam Webster...

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Alluvial soil

Define alluvial soil. alluvial soil synonyms, alluvial soil pronunciation, alluvial soil translation, English dictionary definition of alluvial soil. Noun 1. alluvial soil - a fine-grained fertile soil deposited by water flowing over flood plains or in river beds alluvial deposit, alluvial sediment,...

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Alluvial deposit

Related WordsSynonymsLegend: Switch to new thesaurus Noun 1. alluvial deposit - clay or silt or gravel carried by rushing streams and deposited where the stream slows down alluvial sediment, alluvium, alluvion delta - a low triangular area of alluvial deposits where a river divides before entering a larger body of water; "the Mississippi River delta"; "the Nile delta" placer - an alluvial ...

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(PDF) REFINING ALLUVIAL RESOURCE MODELLING IN PNG

 · Artisanal mining in PNG is increasing with more people involved in mining of alluvial gold than ever before. Many nationals cannot venture into mechanized alluvial mining …

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Alluvial and Placer Mineral Deposits | Geology for Investors

 · Alluvial is the name for placer deposits formed by water action in a stream or river. For most people, it''s all about alluvial deposits, or to be blunt, the allure of gold, with the odd precious and semi-precious gem thrown into the mix. You can …

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Types of Mining | Definition, Examples, Diagrams

Alluvial mining is used to extract minerals by panning or dredging minerals like tin and gold which are sometimes mixed with alluvium in the river bed. Quarrying - definition Quarrying is the mining of construction materials like limestones from the Earth''s surface.

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Mining

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 commodity 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.

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Cost Of Mining Alluvial Soil

alluvial soil - definition of alluvial soil by The Free Dictionary. 1. alluvial soil - a fine-grained fertile soil deposited by water flowing over flood plains or in river beds. alluvial deposit, alluvial sediment, alluvium, alluvion - clay or silt or gravel carried by rushing streams and deposited where the stream slows down.alluvial mining ...

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Alluvial definition and meaning | Collins English Dictionary

Alluvial definition: Alluvial soils are soils which consist of earth and sand left behind on land which has... | Meaning, pronunciation, translations and examples

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Alluvial cone

Define alluvial cone. alluvial cone synonyms, alluvial cone pronunciation, alluvial cone translation, English dictionary definition of alluvial cone. Noun 1. alluvial cone - a fan-shaped deposit where a fast flowing stream flattens out alluvial fan geological phenomenon - a natural phenomenon involving...

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Colluvial vs. Alluvial

 · Colluvial (adjective) Of or pertaining to colluvium. Alluvial (adjective) Pertaining to the soil deposited by a stream. Alluvial (noun) A deposition of sediment over a long period of time by a river; an alluvial layer. Alluvial (noun) Alluvial soil; specifically, in Australia, gold-bearing alluvial soil.

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Hushing

History. The method is well described by Pliny the Elder in Book XXXIII of his Naturalis Historia from the 1st century AD. He distinguishes the use of the method for prospecting for ore and use during mining itself. It was used during the Roman period for hydraulic mining of alluvial gold deposits, and in opencast vein mining, for removal of rock debris, created by mechanical attack and fire ...

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Alluvial mining definition and meaning | Collins English ...

Alluvial mining definition: a method of extracting minerals by dredging alluvial deposits | Meaning, pronunciation, translations and examples

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What does placer mining mean?

Definition of placer mining in the Definitions dictionary. Meaning of placer mining. What does placer mining mean? ... Placer mining is the mining of alluvial deposits for minerals. This may be done by open-pit or by various surface excavating equipment or tunneling equipment. Placer mining is frequently used for precious metal deposits and ...

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Alluvial mining

What Is Placer Mining? (with picture) - wiseGEEK

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