Goaf

{
  "id": "MLC-T-IND-002599",
  "term": "Goaf",
  "field": "Industrial and trades",
  "definition": "The void or cavity left behind in an underground mine after the valuable mineral, such as a coal seam, has been completely extracted. This area is either allowed to collapse under the weight of the overlying rock strata in a controlled manner or is backfilled with waste rock to provide ground support. The term is synonymous with gob and is most frequently used in longwall coal mining operations.",
  "subject": "Mining and extraction",
  "translations": {
    "de": "Goaf",
    "es": "goaf",
    "fr": "stot"
  },
  "url": "https://mlchart.com/terminology/industrial/goaf/"
}