Wayboard

{
  "id": "MLC-T-IND-006549",
  "term": "Wayboard",
  "field": "Industrial and trades",
  "definition": "A thin layer or parting of clay or soft shale found between thicker beds of rock, especially separating a coal seam from the overlying or underlying strata. These layers represent minor interruptions in the depositional environment and can create planes of weakness within the rock mass. The presence of a wayboard can affect roof stability and mining conditions, sometimes requiring specific support methods to prevent falls.",
  "subject": "Mining and extraction",
  "translations": {
    "de": "Wayboard",
    "es": "estrato delimitador",
    "fr": "lit de séparation"
  },
  "url": "https://mlchart.com/terminology/industrial/wayboard/"
}