Ch Flashcards Quizlet
the environmental impacts of mining a metal ore are determined partly by the ores percentage of metal content, or grade. the more accessible higher-grade ores are usually exploited first. mining lower-grade ores takes more money, energy, water, and other resources, and leads to more land disruption, mining waste, and pollution.sep 23, 2020 the mining sector covers the extraction and processing of metals and mineral ores and deposits, including coal, copper, iron, limestone, nickel, precious metals, potash, uranium, diamonds, minerals, rare earth elements, and much more. the mining platform identifies mine type and mining method.