{
 "schema": "ausmt-survey-metadata",
 "version": "0.1",
 "survey_id": "delamerian-lachlan-2014",
 "title": "Delamerian-Lachlan Transect 2014",
 "dates": {
  "coverage": {
   "year_start": 2014,
   "year_end": 2014
  }
 },
 "abstract": "An east-west broadband magnetotelluric transect across western Victoria, acquired by Adelaide\nUniversity with the Geological Survey of Victoria between 10 and 21 June 2014. Forty-three\nsoundings: 35 line sites running 119 km from DLT01 in the east to DLT36 in the west at a median\nspacing of 3.4 km, and 8 infill occupations 1.1 to 2.6 km off their line site on the western\nthird. Each site recorded two electric and two magnetic components at 1000 Hz on an Earth Data\nPR6-24 with LEMI-120 induction coils, with a remote magnetic pair; dipoles are 40 to 50 m along\nx and 44 to 50 m along y. The files carry the impedance tensor with variances and the derived\napparent resistivity and phase, and no tipper, over 22 to 56 periods from 0.0064 to 2183 s.\nEvery file declares a uniform 305 degree rotation and is served in that declared frame.",
 "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 Victoria",
   "name_type": "organisation",
   "role": "DataCollector",
   "ror": "https://ror.org/029hpsa13"
  }
 ],
 "organisations": [
  {
   "name": "Adelaide University",
   "ror": "https://ror.org/028g18b61",
   "roles": [
    "custodian",
    "publisher",
    "data_collector"
   ],
   "primary_custodian": true
  },
  {
   "name": "Geological Survey of Victoria",
   "ror": "https://ror.org/029hpsa13",
   "roles": [
    "data_collector"
   ]
  }
 ],
 "funders": [
  {
   "name": "NCRIS/AuScope",
   "award_title": "Earth Imaging"
  }
 ],
 "rights": {
  "license": "CC-BY-4.0",
  "access": "open"
 },
 "extent": {
  "bbox": {
   "west": 142.102611,
   "south": -36.882659,
   "east": 143.389064,
   "north": -36.647333
  }
 },
 "relationships": [
  {
   "identifier": "10.1080/08120099.2017.1292953",
   "identifier_type": "DOI",
   "relation": "IsDocumentedBy"
  },
  {
   "identifier": "10.1071/ASEG2015ab202",
   "identifier_type": "DOI",
   "relation": "IsDocumentedBy"
  }
 ],
 "attribution": {
  "custodian": "Adelaide University",
  "custodian_ror": "https://ror.org/028g18b61",
  "changes_made": true,
  "changes_summary": "Each of the 43 served files differs from the custodian's delivered file in exactly two header date values, their padding, and nine tab indented record lines inserted after >INFO. No number, no frame declaration and no channel declaration is touched, and the delivered file is kept byte identical under provenance/as-delivered/. No file is renamed: each is served under its own DATAID, which already equals its delivered filename stem.",
  "declared_by": "Ben",
  "declared_date": "2026-09-19"
 },
 "provenance": {
  "generated": "2026-09-20T05:05:11Z",
  "generator": "ausmt/extract.build_portal 0.2.1"
 }
}