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  2. Environmental Risks and Challenges of Anthropogenic Metals ...

    en.wikipedia.org/wiki/Environmental_Risks_and...

    In this report, an assessment is made of the literature on metal flows and cycles in nature and in society, the way they are connected, and the potential impact related to them. The four areas of focus are 1) Local impacts of mining, 2) life cycle energy use, 3) non-metal sources, and 4) the need for a final sink.

  3. Metal prices - Wikipedia

    en.wikipedia.org/wiki/Metal_prices

    Metal prices are the prices of metal as a commodity that are traded in bulk at a predefined purity or grade. Metal can be split into three major categories, precious metals, industrial metals and other metals. Precious metals and industrial metals are priced by trading of those metals on commodities exchanges. [1]

  4. Structural steel - Wikipedia

    en.wikipedia.org/wiki/Structural_steel

    The terms angle iron, channel iron, and sheet iron have been in common use since before wrought iron was replaced by steel for commercial purposes. They have lived on after the era of commercial wrought iron and are still sometimes heard today, informally, in reference to steel angle stock, channel stock, and sheet, despite that they are ...

  5. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.

  6. Environmental impact of iron ore mining - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    In the case of Iron Mountain, remediation activities took place in 1990 and water samples taken from seeps came back with negative pH values and were considered the most acidic water ever sampled. [29] Mining can also have an effect on water before the extraction process.

  7. Angle iron - Wikipedia

    en.wikipedia.org/?title=Angle_iron&redirect=no

    This page was last edited on 30 June 2012, at 11:33 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

  8. SSR Mining (SSRM) Q4 2024 Earnings Call Transcript - AOL

    www.aol.com/finance/ssr-mining-ssrm-q4-2024...

    Image source: The Motley Fool. SSR Mining (NASDAQ: SSRM) Q4 2024 Earnings Call Feb 18, 2025, 5:00 p.m. ET. Contents: Prepared Remarks. Questions and Answers. Call ...

  9. Placer mining - Wikipedia

    en.wikipedia.org/wiki/Placer_mining

    Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial deposits—deposits of sand and gravel in modern or ancient stream beds, or occasionally glacial deposits. The metal or gemstones, having been moved by stream flow from an original source such as a vein, are ...

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