b'Geophysics in the surveysNewsGeoscience Australia: NewsWelcome to Geoscience AustraliasAs reported by the Geological Survey ofdatasets listed in the tables following programme update for April. WhileWestern Australia in this issue of Preview,this section that have been in the to-plans are very much afoot for large scalewe were pleased to jointly release locatedbe-released state for some time now. acquisition throughout Australia overdata and inversion products for the 17Our dear colleague Richard Lane was this year, torrential rains, ongoing COVID600 line-km Murchison airborne EM (AEM)working on their release up until his restrictions and redeployment of surveypackage last month. This data will shortlydeath early last year.aircraft for emergency evacuation works,be supplemented by acquisition acrossWe are very pleased to say that having means that we have only just started toremaining parts of Western Australiaspent much of last year designing ramp up. Working with our State andbetween May and August 2022. Upcomingtechnical standards for airborne gravity Territory partners, we have three verydata releases include the Geological Surveyand gradiometry acquisition, together large programmes kicking off underof Queenslands Canobie airborne gravitywith quality control flow streams, the Federal Governments Exploring forgradiometry survey and the Northern2 Geoscience Australia is close to releasing the Future initiative, including airborneTerritory Geological Surveys 55 000 km the datasets through our electronic EM along the NTWASA bordersground gravity survey near Tennant Creek. catalogue and (eventually) through the (through the Western Resourcesgeophysical portal (GADDS).Corridor), the SA-NSW borders (throughRelease of 20172019 airborne the Eastern Resources Corridor) andgravity and gradiometry datasets One of the key issues was demonstrating across the eastern coast of Tasmaniathe equivalence to ground data with (see Figure 1 and the tables followingYou may have noticed a series ofa simple and replicable process on a this section). airborne gravity and gradiometrysurvey by survey basis. The process Figure 1.20212022 geophysical surveysin progress, planned or for release by Geoscience Australia as part of the Exploring for the Future (EFTF) programme and in collaboration with State and Territory agencies. Projects that are substantially or wholly funded by state government agencies are identified by the bracketed contributors. Background image of national TMI compilation, Geoscience Australia, 2019 (see http://pid.geoscience.gov.au/dataset/ga/144725).APRIL 2022 PREVIEW 14'