{
 "schema": "ausmt-survey-metadata",
 "version": "0.1",
 "survey_id": "southern-delamerian-2010",
 "title": "Southern Delamerian 2010",
 "dates": {
  "coverage": {
   "year_start": 2010,
   "year_end": 2010
  }
 },
 "abstract": "A magnetotelluric transect across the southern Delamerian, acquired by Adelaide University\nbetween 2 and 17 February 2010. Thirty-nine soundings sit on two lines: an east-west line of 29\nsites running 134 km from the south east of South Australia across the state border into western\nVictoria, and a crossing line of 10 sites running 43 km north-north-east to south-south-west near\nthe border. Median site spacing is 4.9 km. Each site recorded two electric and two magnetic\ncomponents with a remote magnetic reference; dipoles are 40 to 49 m along x and 33 to 49 m along\ny. No vertical magnetic channel was recorded, so the files carry the impedance tensor with\nvariances and no tipper. Soundings span 0.053 to 655 s over 26 to 28 periods. AusMT serves all 39\nbyte-identical to the delivery, in the zero frame they declare. Released open file by the\nGeological Survey of South Australia through SARIG; caveats are in README.md.",
 "subjects": [
  {
   "code": "370602",
   "scheme": "ANZSRC-FoR-2020",
   "label": "Electrical and electromagnetic methods in geophysics",
   "uri": "https://linked.data.gov.au/def/anzsrc-for/2020/370602"
  }
 ],
 "contributors": [
  {
   "name": "Adelaide University",
   "name_type": "organisation",
   "role": "DataCollector",
   "ror": "https://ror.org/028g18b61"
  },
  {
   "name": "Geological Survey of South Australia",
   "name_type": "organisation",
   "role": "Distributor",
   "ror": "https://ror.org/0121cjp70"
  }
 ],
 "organisations": [
  {
   "name": "Adelaide University",
   "ror": "https://ror.org/028g18b61",
   "roles": [
    "custodian",
    "data_collector"
   ],
   "primary_custodian": true
  },
  {
   "name": "Geological Survey of South Australia",
   "ror": "https://ror.org/0121cjp70",
   "roles": [
    "distributor"
   ]
  }
 ],
 "rights": {
  "license": "CC-BY-4.0",
  "access": "open"
 },
 "extent": {
  "bbox": {
   "west": 140.6427,
   "south": -37.12507,
   "east": 142.0803,
   "north": -36.78485
  }
 },
 "relationships": [
  {
   "identifier": "https://pid.sarig.sa.gov.au/dataset/mesac1113",
   "identifier_type": "URL",
   "relation": "IsVariantFormOf"
  }
 ],
 "attribution": {
  "custodian": "Adelaide University",
  "custodian_ror": "https://ror.org/028g18b61",
  "changes_made": false,
  "changes_summary": "Nothing in the served data is changed. All 39 transfer functions are byte-identical copies of the custodian's delivery, verified by sha256 against the delivery and against the upload manifest. The only change AusMT makes is the FILENAME: the custodian delivers SARIG's LineNo__StationNo_<n> sequence, which is a delivery numbering rather than a station label, and each file is served under its own DATAID instead. The custodian path and the digest of the original bytes are recorded per file in provenance/served-files.json and in station_ids below.",
  "declared_by": "Ben",
  "declared_date": "2026-09-18"
 },
 "provenance": {
  "generated": "2026-09-19T01:03:52Z",
  "generator": "ausmt/extract.build_portal 0.2.1"
 }
}