b'Geophysics in the Surveys NewsUpdate on geophysical survey progress from Geoscience Australia and the Geological Surveys of Western Australia, South Australia, Northern Territory, Queensland, New South Wales, Victoria and Tasmania (information current on 10 July 2019).Further information about these surveys is available from Mike Barlow Mike.Barlow@ga.gov.au; (02) 6249 9275 or Laura GowLaura.Gow@ga.gov.au 02) 6249 9605.Table 1.Airborne magnetic and radiometric surveys SurveyClient ProjectContractor StartLine km Line spacingAreaEndFinal dataLocalityGADDS releasename management flying Terrain clearance(km2) flying to GA diagram Line direction (Preview)TasmanianMRT GA TBA Jan Up to an200 m 11 000 Apr TBA TBA The National Tiers 2020 estimated60 m NS 2020 Collaborative Framework 66 000 or EW Agreement between GA and MRT is being updated.GawlerGSSA GA Various 2017 1 670 000 200 m, various294 000 26 JunTBAVarious Anticipate QC and Craton orientations2019 processing completion depending onby end of 2019.Will structure be released shortly afterwards.Tanami NTGS GA Thomson 14 Jul 275 216 100/200 m 48 267 2 Dec Jun 2019 195: Aug TBAAviation 2018 60 m 2018 2018 p. 16NS/EWMt Peake NTGS GA MAGSPEC 10 Jul 136 576 200 m N-S 24 748 TBA TBA Aug 2019TBA 2019TBA, to be advised.Table 2.Ground and airborne gravity surveys SurveyClient ProjectContractor Start survey Line km/LineAreaEnd survey FinalLocality diagram (Preview) GADDS name management no. ofspacing/(km2) datareleasestations stationto GAspacingKidson GSWA GA CGG Aviation 14 Jul 2017 72 933 2500 m 155 000 3 May 2018 15 OctThe survey area covers the TBASub-basin 2018 Anketell, Joanna Spring, Dummer, Paterson Range,Sahara, Percival, Helena,Rudall, Tabletop, Ural,Wilson, Runton, Morris andRyan 1:250 k standard mapsheet areasLittle Sandy GSWA GA Sander W Block: 27 Apr 52 090 2500 m 129 400 W Block: 3 TBA 195: Aug 2018 p. 17 TBADesert WGeophysics 2018Jun 2018and E Block: 18 E Block: 2E Blocks Jul 2018 Sep 2018Kimberley GSWA GA Sander 4 Jun 2018 61 960 2500 m 153 400 15 Jul 2018 TBA 195: Aug 2018 p. 17 TBABasin GeophysicsWarburton- GSWA GA Sander Warb: 14 Jul62 500 2500 m 153 300 Warb: 31 Jul TBA 195: Aug 2018 p. 17 TBAGreatGeophysics 2018 2018 GVD: 3Victoria GVD: 27 JulOct 2018Desert 2018PilbaraGSWA GA Sander23 Apr 2019 69 019 2500 m 170 041 18 Jun 2019 TBA The survey area is in theTBAGeophysics Pilbara region in the northwest of Western Australia. Data acquired will be compiled into an update of the gravity anomaly map of Western Australia and help characterise regional geological elements in the area.SE Lachlan GSNSW/ GA ATLASMay 2019 303.5 km3Traverses Jun 2019 TBA TBA TBAGSV Geophysics withregional 762traversesstationsTISA NTGS GA Atlas2 Jul 2019 78212 km31 285 Sep 2019 TBA TBA TBAGeophysics 2km gridTBA, to be advised11 PREVIEW AUGUST 2019'