placer

{
  "id": "MLC-T-ENV-021101",
  "term": "placer",
  "field": "Environment",
  "definition": "A mineral deposit that has achieved its present distribution through the prior action of moving water or wind. Placers are usually in poorly consolidated materials and are the sources of much, but not all, tin, titanium, rare earths, diamonds, and zirconium, and some gold.",
  "subject": "Land, waste and cleanup",
  "references": [
    "Abandoned Mine Lands (AML) Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/placer/"
}