Selvage

{
  "id": "MLC-T-IND-005153",
  "term": "Selvage",
  "field": "Industrial and trades",
  "definition": "A thin layer of altered rock or clayey material found along the margins of a mineral vein or orebody, separating it from the surrounding country rock. This boundary zone often indicates movement along a fault or fracture, facilitating the detachment of the ore. It can also serve as a guide for miners following the vein.",
  "subject": "Mining and extraction",
  "translations": {
    "de": "Salband",
    "es": "salbanda",
    "fr": "salbande"
  },
  "url": "https://mlchart.com/terminology/industrial/selvage/"
}