Datasets

The mesac Open Data Portal datasets contain detailed records of seismic surveys and geochemical data, and they are made available here to industry, researchers and the public.

  • Spatially Coincident Gravity and TMI Anomalies of the Gawler Craton

    Bouguer gravity and reduced-to-pole total magnetic intensity grids over the Gawler Craton were transformed, generating polygon datasets and contours representing populations of locally anomalous gravity and magnetic intensity. Taken as simple anomaly...
      Dataset Published: 18 Feb 2020
    • ZIP,
    • PDF

  • Gawler Craton airborne survey - merged data packages

    In 2017 the Government of South Australia, in partnership with Geoscience Australia began the world's largest airborne geophysical and terrain imagining program, Gawler Craton Airborne Survey (GCAS). GCAS captured approximately 1,660,000 line...
      Dataset
    • ZIP

  • AusLAMP 3D resistivity models

    The Australian Lithospheric Architecture Magnetotelluric Project (AusLAMP) is a major new geophysical research program that is under way to map the electrical resistivity structure of the continental lithosphere, by utilising deep-sounding...
      Dataset
    • ZIP

  • 2004 Cooper Basin Electrofacies Mapping

    In 2004, wireline logs from approximately 830 wells were analysed using an in-house script known as ElectroFacies. Preset cut-off values were used to analyse the thickness and percentage of electrofacies for the following formations of the Cooper...
      Dataset Published: 01 Jan 1998
    • PNG

  • South Australian regional Bouguer Gravity grids and images, 2024

    The 2024 Bouguer gravity grids of South Australia, gridded from 1,025,324 gravity observations, extracted from the South Australian gravity database. All open file surveys processed to March 2023 were included in the grid. Duplicate stations and...
      Dataset Published: 15 May 2024
    • ZIP,
    • PDF

  • South Australian regional gravity grids and images, 2016

    ATTENTION: This has been superseded by 'South Australian regional gravity grids and data, 2023' SA GRAVITY 2016 is a Bouguer Anomaly gravity image (acceleration due to gravity with a simple terrain correction) of South Australia's onshore and...
      Dataset Published: 01 Jan 2016
    • ZIP,
    • PDF

  • Probabilistic Cover-Basement Interface Map in Carrapateena, South Australia

    A series of depth to basement maps and associated uncertainty maps for the Carrapateena area in South Australia, Australia were developed leveraging the high quality data acquired on the eastern Gawler Craton, South Australia. These maps were...
      Dataset
    • tif,
    • ZIP,
    • PDF

  • South Australian regional total magnetic intensity images

    Total Magnetic Intensity (TMI) is the magnitude of all magnetic influences measured at a point. The SA_TMI grid was produced by merging open file aeromagnetic surveys within South Australia at 80m cell size using Intrepid Software by Intrepid...
      Dataset
    • ERS,
    • GeoTIFF

  • Gravity - Gradient Strings

    The SA_GRAV_GS datasets were derived from the Australian National Gravity Database 0.5 Minute Onshore Gravity Grid, Geoscience Australia, 2008 by DEM Geophysicists on 2011-04-07. Gradient strings for upward continuation levels of 100, 200, 500, 1000,...
      Dataset Published: 14 Jun 2011
    • KMZ,
    • GDB,
    • TAB,
    • SHP

  • South Australian regional Bouguer gravity grids and data, 2023

    SA GRAVITY 2023 is the 2023 Bouguer gravity grid of South Australia, gridded from 802,178 ground gravity stations from a total of 889,282 stations, extracted from the South Australian gravity database. All open file surveys processed to December 2022...
      Dataset Published: 16 Jan 2023
    • PDF,
    • PNG

  • NGMA Cooper-Eromanga Seismic Mapping, Sunshaded Images

    This layer contains sunshaded images of depth, isopach and two way time grids generated from seismic interpretation of horizons: top of Cadnaowie Formation, top or near top Permian sediments and Basement or top of the Warburton Basin in the Cooper...
      Dataset Published: 01 Jan 1994

  • Eromanga 2012 aquifer study Seismic Mapping, Sunshaded Images

    This dataset is a result of an Aquifer study by the Department of Environment, Water and Natural Resources (DEWNR) which formed part of a project funded by the National Water Commission titled "Allocating water and maintaining springs in the Great...
      Dataset Published: 01 Jan 2011
    • PNG

  • Delamerian-Lachlan orogen 3D resistivity models

    In 2022-2023, broadband magnetotelluric (MT) data were acquired through the collaboration of the Geological Surveys of South Australia and Victoria, in partnership with Minex CRC, along two ~E-W trending profiles across the Delamerian orogen in South...
      Dataset
    • ZIP,
    • PNG

  • ExploreSA The Gawler Challenge - winners and submission data release

    ExploreSA: The Gawler Challenge is a global online competition from the Government of South Australia. The challenge is to identify or predict areas of potential mineralisation within the Gawler region, using any technique. This dataset contains a...
      Dataset Published: 15 Sep 2020
    • TAB,
    • SHP,
    • KMZ,
    • GDB

  • Magnetic Source Depths Estimates

    Depth estimates derived from magnetic field inversion of selected local anomalies provide estimates of depth to the top of the source magnetisation, of its thickness, dip and depth extent. This combination of factors may be suggestive of the source...
      Dataset
    • TAB,
    • ZIP,
    • SHP,
    • GDB,
    • KMZ

  • Depth To Crystalline Basement Data Package: South Australia (as updated - 2021 version)

    The Depth to Crystalline Basement Data Package is a collection of GIS datasets (in ArcGIS and Mapinfo formats) that portray actual or inferred depth to crystalline basement in South Australia, which have been assembled on a province-by-province basis....
      Dataset Published: 04 Feb 1921
    • PDF,
    • ZIP

  • Seismic ambient noise tomography across southern Australia

    The rocks of southern Australia record over three billion years of Earth's evolution, but the basement geology is veiled by sediment. Geophysical data are needed to unveil the geology. The 2018-2022 Lake Eyre Basin and 2020-2022 AusArray SA seismic...
      Dataset
    • ZIP,
    • PDF

  • Cooper Eromanga Basin Groundwater Dependent Ecosystems (unconfined aquifer) - Priority Vegetation and Waterholes

    Groundwater-dependent ecosystems (GDE) have been identified using Landsat satellite vegetation and water cover datasets. Seasonal fractional cover data (i.e. summer, autumn, winter, spring) quarterly data was collated for the period 2008 to 2017. The...
      Dataset
    • PDF

  • Western Gawler MT resistivity models

    The Western Gawler MT resistivity models are part of the Gawler Phase 2 project is a GSSA initiative to acquire geoscientific data across the central-western Gawler Craton. As part of the acquisition phase, audio- and broadband magnetotelluric (MT)...
      Dataset
    • ZIP