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1. www.britannica.com › technology › miningMining - Underground, Safety, Techniques | Britannica

   www.britannica.com › technology › mining

   • En caché

   Mining - Underground, Safety, Techniques: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered.

2. en.wikipedia.org › wiki › Underground_hard-rock_miningUnderground hard-rock mining - Wikipedia

   en.wikipedia.org › wiki › Underground_hard-rock_mining

   • En caché

   Underground hard-rock mining refers to various underground mining techniques used to excavate "hard" minerals, usually those containing metals, [1] such as ore containing gold, silver, iron, copper, zinc, nickel, tin, and lead. It also involves the same techniques used to excavate ores of gems, such as diamonds and rubies.

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     Underground mining

     29 mar 2021

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     Underground mining - How is underground mining done? - underground mining methods

     4 feb 2024

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     The Fascinating Story Of Underground Mining AND The DANGERS Within - DOCUMENTARY

     23 ene 2024

     18.6K vistas

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4. www.angloamerican.com › futuresmart › storiesDigging deeper: Mining methods explained | Anglo American

   www.angloamerican.com › futuresmart › stories

   • En caché

   Learn about the three main types of mining methods used by Anglo American to extract products from the ground: open-pit, underground and underwater. Find out the advantages, disadvantages and examples of each method for different ore-bodies and deposits.

5. www.mckinsey.com › industries › metals-and-miningTrends in underground mining for gold and base metals | McKinsey

   www.mckinsey.com › industries › metals-and-mining

   • En caché

   13 de jul. de 2021 · Learn how underground mining methods vary by geology, commodity, region, and cost, and how to improve productivity and efficiency. See data and insights on stoping, block caving, and other methods for hard-rock mining.

6. www.nationalgeographic.org › encyclopedia › miningMining - National Geographic Society

   www.nationalgeographic.org › encyclopedia › mining

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   19 de oct. de 2023 · In underground mining, ores are removed from deep within the earth. Miners blast tunnels into the rock to reach the ore deposits. This process can lead to accidents that trap miners underground. Along with accidents, a career in mining can also be dangerous since it can lead to health problems.

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8. www.sciencedirect.com › science › articleMoving towards deep underground mineral resources: Drivers,...

   www.sciencedirect.com › science › article

   1 de ene. de 2023 · Underground mining refers to various subsurface mining techniques used to excavate minerals (Diogo, 2020). A primary constraint of underground mining is to maximise ore extraction and recovery while minimising waste extraction.

9. www.theassay.com › articles › the-assay-insightsUnderground Mining Guide - The Assay

   www.theassay.com › articles › the-assay-insights

   • En caché

   Learn about the definition, methods, equipment, and examples of underground mining, a technique used to extract minerals from deep within the Earth. Compare underground mining with surface mining and explore the challenges and benefits of this industry.