Comparison of AMD and ARG and ARD

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AMD always means that ARG has occurred. But ARG does not necessarily imply AMD.
AMD always means that ARG has occurred. But ARG does not necessarily imply AMD.
  • Acid rock generation (ARG) implies
    • exposure of sulfide minerals to air and moisture by any cause, natural or man-made. A natural cause may for example be a volcanic eruption. Anthropogenic causes may be for example mining activities or road construction.
    • formation of acidity and metal ions by bioleaching
  • Acid rock drainage (ARD) implies
    • exposure of sulfide minerals to air and moisture by any cause, natural or man-made.
    • formation of acidity and metal ions by bioleaching
    • Leachate escapes from the source of formation
  • Acid mine drainage implies
    • Mining activities expose sulfide minerals to air and moisture
    • formation of acidity and metal ions by bioleaching
    • The leachate - acidity and heavy metals - drains to the surroundings. For example leachate may escape to groundwater.
AMD always means that ARG and ARD has occurred. But ARG does not necessarily imply AMD and ARG.
AMD always means that ARG and ARD has occurred. But ARG does not necessarily imply AMD and ARG.
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