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wikipedia gold mining tools
Mining - Wikipedia, the free encyclopedia
Mining is the extraction of valuable minerals or other geological materials from the earth from an orebody, lode, vein, seam, or reef, which forms the mineralized ...
Gold - Wikipedia, the free encyclopedia
Gold is a chemical element with the symbol Au and atomic number 79. It is a bright yellow dense, soft, malleable and ductile metal. The properties remain when exposed ...
Gold – Wikipedia
Gold (von indogermanisch ghel: glänzend, gelb) ist ein chemisches Element (siehe auch Entstehung der Elemente) mit dem Elementsymbol Au (von lat. Aurum: „das Gold ...
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