Crushed Stone

{
  "id": "MLC-T-ENV-007002",
  "term": "Crushed Stone",
  "field": "Environment",
  "definition": "Of the total crushed stone produced in 2010, about 68% was limestone and dolomite; 13%, granite; 7%, miscellaneous stone; 6%, traprock; and the remaining 6% was divided, in descending order of tonnage, among sandstone and quartzite, volcanic cinder and scoria, marble, calcareous marl, slate, and shell.",
  "references": [
    "USGS Minerals Information Crushed Stone Statistics and Information at http://minerals.er.usgs.gov/minerals/pubs/commodity/stone_crushed"
  ],
  "url": "https://mlchart.com/terminology/environment/crushed-stone/"
}