Extraction and mining waste

{
  "id": "MLC-T-ENV-010557",
  "term": "Extraction and mining waste",
  "field": "Environment",
  "term_source": "Extraction and Mining Waste",
  "definition": "Soil and rock generated during the process of gaining access to the ore or mineral body, as well as water that infiltrates the mine during the extraction process. This category also includes certain wastes associated with the beneficiation of ores and minerals, including wastes from the following activities: crushing, grinding, washing, dissolution, crystallization, filtration, sorting, sizing, drying, sintering, pelletizing, briquetting, calcining to remove water and/or carbon dioxide, roasting in preparation for leaching (except where the roasting/leaching sequence produces a final or intermediate product that does not undergo further beneficiation or processing), gravity concentration, magnetic separation, electrostatic separation, floatation, ion exchange, solvent extraction, electrowinning, precipitation, amalgamation, and heap, dump, vat, tank, and in situ leaching.",
  "subject": "Environmental events",
  "references": [
    "EPA Report on the Environment Glossary at http://www.epa.gov/ncea/roe/glossary.htm; Report on the Environment (ROE) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/extraction-and-mining-waste/"
}