b'Geophysics in the surveysNewsGeological Survey of Western Australia: Closing in on AusAEMWAIn August 2021, data acquisition withHowever, when the datasets are2 Western Corridor programme, the SkyTEM system began on thejuxtaposed to make images at a sub- hopefully in 2022.Murchison block in the mid-west ofcontinental scale, the coherence and Western Australia. If the survey godsimpact are extraordinary, as can beIf you are in Perth in November, be sure smile benignly upon us, by the timeobserved in Figure 1, which showsto visit GSWAs 2021 Open Day (details you are reading this in Preview 214, thestacked GA inversion curtains compiledelsewhere in this issue) to learn more acquisition will be complete, and theand displayed in the Geoscience Australiaabout AusAEMWA and other GSWA data from the already-flown SkyTEMPortal. Images such as this, and thework programmes.Southwest block will be released (Seedetail in the underlying datasets, provideFunding for the AusAEMWA is from Preview 211, April 2021). explorers with the context needed tothe Western Australian governments set optimum acquisition parametersExploration Incentive Scheme. Data Added to the AusAEMWA TEMPESTfor higher resolution AEM surveys at afrom the programme and from other surveys flown in 2020 that cover muchtenement scale. government-funded regional surveys of the south-eastern quadrant of themay be downloaded from GeoVIEW.State, and with Geoscience AustraliasGSWA is currently planning to complete 2019 AusAEM 02 data over the northernthe remaining areas in the AusAEMWAWAGSWAs interactive mapping, data part of the Stateboth released earlierprogramme: in the East Kimberley in thediscovery, and data delivery platformthis year, only 10% of the area of Westernfar north; and a relatively narrow stripor from the national Geophysical Archive Australia will remain to be surveyed inof country in the east along the borderData Delivery System (GADDS) hosted by order to have complete AEM coverage atwith South Australia and the NorthernGeoscience Australia.20 km line spacing. Territory (Figure 1, inset). GSWA isFor more information, contact in dialogue with GA and with thegeophysics@dmirs.wa.gov.au.Geoscience Australias AusAEM 01Geological Surveys of South Australia and AusAEM 02 surveys have alreadyand the Northern Territory to coverDavid Howard demonstrated the coherence of thethese areas as part of larger AusAEMGeological Survey of Western Australia AEM data at these broad-acre scales.surveys in GAs Exploring for the FutureDavid.HOWARD@dmirs.wa.gov.auFigure 1.Stacked AEM inversion curtains from AusAEM and AusAEMWA surveys compiled in the Geoscience Australia Portal. Inset: remaining areas of WA for 20 km AEM coverage as part of proposed Western Corridor AusAEM surveys in 2022.25 PREVIEW OCTOBER 2021'