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  • 'Blood tantalum' in your mobile phone SMH.com.au

    WA's promising tantalum industry has been scuppered by a conflict being fought 10,000km away, writes Stephen Hutcheon.

  • Mining Placer mining Britannica.com

    Mining Placer mining: Placers are unconsolidated deposits of detrital material containing valuable minerals. The natural processes by which they form range from ...

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  • Tin processing Britannica.com

    Tin processing: Tin processing, preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It ...

  • Chapter 63 Metal: Chemical Properties and Toxicity

    ALUMINIUM Occurrence and uses. Aluminium is the most abundant metal in the earths crust, where it is found in combination with oxygen, fluorine, silica, etc., but ...

  • Ore Wikipedia

    An ore deposit is an accumulation of ore. This is distinct from a mineral resource as defined by the mineral resource classification criteria.

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    Holman Wilfley are world leading suppliers of gravity separation tables (shaking tables) to the mining, minerals and recycling industries. Our products are used for ...

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    The Office of Public Affairs (OPA) is the single point of contact for all inquiries about the Central Intelligence Agency (CIA). We read every letter, fax, or e-mail ...