b'NewsGeophysics in the surveysGeological Survey of South Australia: ADEMrestructure and a brief mineralModelVision geophysicsupdateMagnetic & Gravity Interpretation SystemDEM restructureMineral geophysics updateThe Premier of South Australia recentlyAt the time of writing, an audit of allAll sensorsMinerals delivered an economic statement,gravity surveys in South Australia isProcessingPetroleum highlighting the Hydrogen andcomplete. Surveys that were not loaded3D modellingNear Surface Renewable Energy Act, SAs world- into the gravity module have now been3D inversionGovernment leading renewable energy resources,loaded, and work is now commencingVisualisationContracting and SAs mineral resources as keyon a new statewide gravity grid. AAnalysisConsulting components of the green transition. Thegrand total of 1 226 684 stations now South Australian Department for Energyexist on the database. Compared toUtilitiesEducation and Mining (DEM) recognised that tothe 909 328 stations at this time last continue delivering on key strategicyear, it is a significant increase. By the priorities for the state, the Departmenttime this article is published the gravity needs to operate differently. DEMstations layer on SARIG should have needs to allocate internal resources toupdated, showing the position and deliver high quality outcomes whiledetails of 1 111 522 public domain concurrently responding to ongoinggravity measurements. The new state budget savings challenges facing thegrid will likely be another few months department and other agencies. DEM hasaway. As in previous years, we will be therefore undergone a major restructure,employing the supervised variable reorganising its previous five divisionsdensity gridding methodology to create into three: Regulation & Compliance,the seamlessimage.Strategic Policy & Delivery, and CorporateAdditionally, the entire collection & Commercial. The Geological Survey ofof airborne geophysical data stored South Australia (GSSA) is housed in theon DEMs network was revised and Strategic Policy & Delivery Division. updated, with airborne survey data As part of the restructure, the previousnow available in a wider variety of data GSSA and Energy Resources Divisionformats. The recent update includes new have joined forces. The new businessdatum and projection fields added to unit retains the name Geologicaldatasets, notably GDA2020 and Lambert Survey of South Australia and combinesprojections. Individual survey packages teams of geoscience specialists andare available via SARIG and Geonet. industry regulators. Especially relevantSurveys can be found spatially in SARIG to the ASEG, there is a new dedicatedor can be found via keyword by the geophysics team. The new teamnamedGeonet tool (the SARIG catalogue link Petroleum & Geophysics Datacombinesatthe top of the SARIG map page).the professional officers in the mineralsAs always, questions and requests for geophysics space (primarily dealing withassistance with data can be directed to statewide gravity, magnetic, radiometric,DEM.CustomerServices@sa.gov.au, and EM and MT data) with the professionalthere are some other contact options at officers and industry regulatorshttps://www.energymining.sa.gov.au/responsible for seismic data analysis andhome/contact.storage, as well as petrophysics database experts and a drill-core specialist. NgaityalyaFor the geophysics team, its largely(Kaurna, thank you)business as usual. All the familiar facesPhilip Heath are still here, and were still managingGeological Survey of South Australiathe same data and work programmesE Philip.Heath@sa.gov.auas prior to the restructure. We still QA/QC and load both mineral andTensor Research petroleum geophysical data onto our databases, manage the databases,support@tensor-research.com.au produce statewide imagery, assist withwww.tensor-research.com.au and provide advice to industry where we can, and ensure data are availableTel: throughSARIG.FEBRUARY 2024PREVIEW 29'