{
 "id": "geosoft-map-description-file",
 "name": "Geosoft Map Description File",
 "category": "text",
 "identifiers": {
  "extensions": [
   "mdf"
  ],
  "puid": [
   "fmt/1726"
  ],
  "wikidata": [
   "Q113534253"
  ],
  "magic": [
   {
    "offset": 56,
    "hex": "2f2078732c79732c6d622c6d722c6d742c6d6c",
    "notes": "Geosoft Map Description File"
   }
  ],
  "signatures": [
   {
    "name": "Geosoft Map Description File",
    "sequences": [
     {
      "position": "bof",
      "offset": 56,
      "pattern": "2f2078732c79732c6d622c6d722c6d742c6d6c"
     }
    ]
   }
  ]
 },
 "status": "unknown",
 "summary": "File format developed by Geosoft to integrate all graphics elements such as polygons, lines and text and layers (images, data, basemaps, plots and grids) constructed in Oasis montaj software.",
 "tools": [
  {
   "name": "Oasis montaj",
   "url": "https://www.wikidata.org/wiki/Q10851994",
   "reads": true,
   "writes": true
  }
 ],
 "projects": [
  {
   "name": "PRONOM fmt/1726",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/1726",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q113534253",
   "url": "https://www.wikidata.org/wiki/Q113534253",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}