antimony mine

  • 51Pencil — This article is about the handwriting instrument. For other uses, see Pencil (disambiguation). HB graphite pencils A pencil is a …

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  • 52History of mining in Sardinia — Mining and the processing of minerals date back to ancient times in Sardinia.Ancient traders and conquerors, attracted by the astonishing underground riches, were drawn to the island s coast. Evidence of ancient metal processing is given in the… …

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  • 53Mineral exploration — is the process of finding ore (commercially viable concentrations of minerals) to mine. Mineral exploration is a much more intensive, organized and professional form of mineral prospecting and, though it frequently uses the services of… …

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  • 54Bioleaching — is the extraction of specific metals from their ores through the use of bacteria. Bioleaching is one of several applications within biohydrometallurgy and several methods are used to recover copper, zinc, lead, arsenic, antimony, nickel,… …

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  • 55Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th …

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  • 56Haiti — Republic of Haiti République d Haïti (French) Repiblik Ayiti …

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  • 57Indium — Not to be confused with Iridium. cadmium ← indium → tin Ga ↑ In ↓ Tl …

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  • 58Economy of Kyrgyzstan — The economy of Kyrgyzstan was severely affected by the collapse of the Soviet trading block. In 1990, some 98% of Kyrgyz exports went to other parts of the Soviet Union. Thus, the nation s economic performance in the early 1990s was worse than… …

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  • 59Nickel — This article is about the chemical element. For other uses, see Nickel (disambiguation). cobalt ← nickel → copper ↑ Ni ↓ Pd …

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  • 60Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium …

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