Sluice

{
  "id": "MLC-T-IND-005384",
  "term": "Sluice",
  "field": "Industrial and trades",
  "definition": "A channel or trough, often fitted with riffles, used in placer mining to separate heavy minerals like gold from lighter gravel and sand. Water is directed through the sluice, washing away lighter material while heavier particles settle and are trapped by the riffles. The design and length of a sluice vary with the material being processed.",
  "subject": "Mining and extraction",
  "translations": {
    "de": "Sluice",
    "es": "canalón de lavado",
    "fr": "écluse"
  },
  "url": "https://mlchart.com/terminology/industrial/sluice/"
}