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Quarrying Process

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NewScientist – Economic benefits of shale-gas extraction unclear – 02 July 2011 Issue Contents – New Scientist

Robo-paparazzi learn how to take the perfect photo. Protecting protestors with photos that never existed. Let's see if we can mine the ores around hydrothermal vents without destroying the habitat in the process.
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Idaho National Laboratory Research Fact Sheet – Biomining

Initial work focused on extraction and recovery of cobalt and other metals from low-grade ores but has expanded to include sulfidic ores of gold, copper, zinc and nickel, and heap, stirred tank and thermophilic bioleaching.
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Encyclopedia of Earth – Olympic Dam, South Australia

While the grade of the uranium ore is lower than that from many mines or potential mines which have the benefit of open cut operation, the fact that copper (Cu) is a co-product with uranium from that same ore (at % Cu in the proved and % Cu in the probable reserves) means that such grades are viable.
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Copper Ore being loaded into a 300 ton truck for transport to the crusher – Mine …

There are two distinct types of copper ore, the sulfide ore and the oxide ore. Then the ore is crushed and screened, with the fine sulfide ore (~- mm) going to froth flotation cells for recovery of copper. The sulfide ores are beneficiated in flotation cells, while the oxide ores are generally leached.
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Electrochemical Science and Technology Information Resource (ESTIR) – Electrochemistry on the Internet

Electrochemistry and related subjects on the Internet. E lectrochemical S cience and T echnology I nformation R esource (ESTIR). This compilation contains links to Internet sites of interest to electrochemists. Additions and corrections are welcome, send them to: nagyz@
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Rare earth element – Wikipedia

Scandium and yttrium are considered rare earth elements since they tend to occur in the same ore deposits as the lanthanides and exhibit similar chemical properties.
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Understanding Industry Terminology – The #1 information source for carpet cleaning & restoration professionals – Cleanfax

Historically, the word oxidation referred to the combination of an element with oxygen to give an oxide, like iron combines with oxygen to give iron oxide or rust. The term reduction was originally limited to the type of reaction in which the mineral ores like iron or copper oxide were "reduced" to the elemental form.
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Global Warming Art – Wikipedia, the free encyclopedia – Beryllium

Beryllium increases hardness and resistance to corrosion when alloyed to aluminium, cobalt, copper (notably beryllium copper), iron and nickel.
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Aquila Resources Inc. – Back Forty Project

Over the Life of Mine (LOM), Back Forty is expected to produce 77,200 tonnes of copper concentrate, 323,500 tonnes of zinc concentrate and 295,300 ounces of gold and 2,561,700 ounces of silver contained in gold-silver alloy dore product and within the copper concentrate.
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Napa County

Manganese deposits are numerous in northern Napa County interbedded with sediments of the Franciscan formation. About 300 tons of oxide ore was produced in 1918.
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