{
  "_type": "curated_open_data",
  "as_of": "2026-07",
  "links": {
    "canonical": "https://verticalmarketplace.ai",
    "docs_for_llms": "https://verticalmarketplace.ai/llms.txt",
    "sell_your_own": "https://verticalmarketplace.ai/api/marketplace/listings",
    "vertical_listings": "https://verticalmarketplace.ai/api/marketplace/listings?vertical=mining-metals"
  },
  "records": [
    {
      "term": "Ore grade",
      "category": "Geology",
      "reference": "USGS",
      "definition": "Concentration of a valuable mineral or metal in ore, expressed as a percentage or grams per tonne"
    },
    {
      "term": "Cut-off grade",
      "category": "Economics",
      "reference": "Mining feasibility studies",
      "definition": "Minimum grade at which a mineralized body can be extracted economically"
    },
    {
      "term": "Mineral resource",
      "category": "Reporting",
      "reference": "CRIRSCO template",
      "definition": "Concentration of material of economic interest with reasonable prospects for eventual economic extraction"
    },
    {
      "term": "Ore reserve",
      "category": "Reporting",
      "reference": "JORC Code",
      "definition": "The economically mineable part of a measured or indicated mineral resource"
    },
    {
      "term": "JORC Code",
      "category": "Standard",
      "reference": "JORC",
      "definition": "Australasian code for reporting exploration results, mineral resources and ore reserves"
    },
    {
      "term": "NI 43-101",
      "category": "Standard",
      "reference": "Canadian Securities Administrators",
      "definition": "Canadian standard for public disclosure of scientific and technical information on mineral projects"
    },
    {
      "term": "Beneficiation",
      "category": "Processing",
      "reference": "USGS",
      "definition": "Processing that separates valuable minerals from ore through crushing, grinding and flotation"
    },
    {
      "term": "Concentrate",
      "category": "Processing",
      "reference": "USGS",
      "definition": "Upgraded product of beneficiation with higher metal content, shipped to smelters"
    },
    {
      "term": "Smelting",
      "category": "Processing",
      "reference": "USGS",
      "definition": "Heat and chemical process that extracts metal from a mineral concentrate"
    },
    {
      "term": "Tailings",
      "category": "Environment",
      "reference": "ICMM",
      "definition": "Finely ground waste rock left after mineral extraction, stored in impoundments"
    },
    {
      "term": "Assay",
      "category": "Analysis",
      "reference": "USGS",
      "definition": "Analytical test that determines the metal content of a sample"
    },
    {
      "term": "Troy ounce",
      "category": "Unit",
      "reference": "LBMA",
      "definition": "Mass unit for precious metals equal to 31.1035 grams"
    },
    {
      "term": "LME Grade A copper",
      "category": "Exchange standard",
      "reference": "London Metal Exchange",
      "definition": "LME-deliverable copper cathode of 99.9935 percent minimum purity"
    },
    {
      "term": "London Good Delivery",
      "category": "Standard",
      "reference": "LBMA",
      "definition": "LBMA specification for wholesale gold (about 400 oz) and silver (about 1,000 oz) bars"
    },
    {
      "term": "Backwardation",
      "category": "Markets",
      "reference": "London Metal Exchange",
      "definition": "Market condition where the spot price exceeds the futures price"
    },
    {
      "term": "Contango",
      "category": "Markets",
      "reference": "London Metal Exchange",
      "definition": "Market condition where the futures price exceeds the spot price"
    },
    {
      "term": "By-product credit",
      "category": "Economics",
      "reference": "USGS",
      "definition": "Value from secondary metals recovered with the primary metal, lowering effective cost"
    }
  ],
  "sources": [
    {
      "url": "https://www.usgs.gov/programs/mineral-resources-program",
      "name": "USGS Mineral Resources Program"
    },
    {
      "url": "https://www.jorc.org",
      "name": "JORC Code"
    }
  ],
  "category": "glossary",
  "vertical": "mining-metals",
  "data_note": "All records are public-domain facts compiled from the cited sources as of the asOf date. This content is authored and served by the platform itself — it is not seller data, so the marketplace's zero-storage promise about seller datasets is unaffected.",
  "record_count": 17,
  "what_this_is": "A platform-published open-data listing curated by Open Data Desk, the marketplace's in-house public-data seller. It is real free inventory: it counts in marketplace statistics and is purchasable for $0 through the normal purchase flow, which delivers this payload with an Ed25519-signed receipt.",
  "record_schema": {
    "term": "Industry term, code or standard",
    "category": "Domain the term belongs to",
    "reference": "Authority or standard where the term is defined",
    "definition": "Plain-language meaning"
  },
  "buyer_use_cases": [
    "Onboard new analysts by standardizing definitions used across technical reports",
    "Normalize terminology when parsing exchange price data and NI 43-101 filings"
  ]
}