b'Geophysics in the SurveysNewsacademia, undertakes both regional- and Kyi 2018), and the eastern part ofthe architecture of the basins in scale and national-scale (i.e. thethe Flinders Ranges survey (Robertsonconjunction with well data to analyse Australian Lithospheric Architectureet al., 2016) will also be released.the potential of an active petroleum Magnetotelluric ProjectAusLAMP)Interpretations from this new resistivitysystem.magnetotelluric surveys. Data collectedmodel will be released in a publicationAs part of the Exploring for the Future from these surveys is used to imagesubmitted to Tectonophysics (Kirkby(EFTF) Program, GA in collaboration the electrical conductivity/ resistivityetal., In Review). with the Northern Territory Geological structure of Australian continentEast Tennant raw and processed data.Survey (NTGS) acquired 812 km of deep lithosphere in three dimensions, andAs part of the GAs Exploring For Thecrustal seismic reflection and gravity data to identify and characterise majorFuture Program, the East Tennantfrom the southern McArthur Basin to geological structures in the crust andMagnetotelluric (MT) Survey (seethe northern Mt Isa western succession upper mantle. Survey results provideFigure 1) was acquired to assist in(Figure 2). The survey commenced in new insight and valuable informationregional stratigraphic drill targeting,September 2019 and data acquisition for the Australian continent lithosphereand to map cover thickness and deepwas completed in early of November framework, and address fundamentalbasin structural architecture. This data2019. Data from the Barkly Seismic questions such as how the currentwas collected in collaboration withSurvey will be a great addition to the geological structure was established,the Northern Territory Geological2017 South Nicholson Seismic Survey the nature of the geological processes,Survey. data and links to the existing Beetaloo and how large-scale crustal andSub-basin seismic data.lithospheric structures control mineralReferencesdeposition and hydrocarbon basinThe Barkly Seismic data will assist in formation. Duan, J., and D. Kyi. 2018. Australianimproving our understanding of basins The MT survey results can be integratedLithospheric Architectureand basement structures and also with other national datasets, suchMagnetotelluric Project (AusLAMP):the energy, mineral and groundwater as aeromagnetic, gravity, seismicVictoria: Data Release Report.resource potential in Northern Australia. tomography, geochemical, andGeoscience Australia Record, 2018/21.Following data processing, the new geological datasets. The integrationRetrieved from pid.geoscience.gov.au/ dataset will be publically released of these multidisciplinary datasetsdataset/ga/120864 in2020.will help to develop a better scientificKirkby, Alison, Robert Musgrave, Karol understanding of the lithosphericCzarnota, Michael Doublier, DarrenAusArray updatearchitecture and evolution of theKyi, Jingming Duan, and Ross Australian continent, highlightCayley. Lithospheric ArchitectureThe Australian passive seismic array prospective areas for mineral and energyof a Phanerozoic Orogen fromproject (AusArray) is a collaborative, resources at a regional scale, and allowMagnetotellurics: The Tasmanides,national survey between government for assessment of geo-electric and otherSoutheast Australia. Manuscriptand academia that acquires seismic geological hazards. submitted to Tectonophysics. waveform data. AusArray includes two Robertson, K., G. Heinson, andS. Thiel.components: (1) a movable array of 135 The following MT datasets are expected2016. Lithospheric Reworking at thebroadband seismic stations, arranged to be released towards the end of thisProterozoicPhanerozoic Transitionin a grid pattern, spaced 55 km apart year and will be available via the GA eCATof Australia imaged using AusLAMPand deployed for 12 months, and (2) website. Magnetotelluric Data. Earth andcomplementary semi-permanent higher Planetary Science Letters. https://doi. sensitivity broadband seismic stations Olympic Domain reprocessed dataorg/10.1016/j.epsl.2016.07.036 deployed for 4 years. Key outcomes The survey (see Figure1) aimedfrom AusArray are improved national to improve the understanding ofBarkly deep crustal seismic survey three-dimensional velocity models the deformation zones and fluidof the Australian plate, and higher pathways through the entire crustAustralia is a vast continent which isresolution three-dimensional seismic up to the sedimentary cover of thelargely under-explored in many regions.models in areas covered by the movable Olympic Domain. It was funded by theLarge areas have poorly distributedarray from which physical properties Geological Survey of South Australiasdata; some areas are completelyof the lithosphere can be inferred from PaceCopper Initiative and wasuntested for their resource potential.depths of a few metres to hundreds of conducted by GA and the GeologicalFor industry to commit to explorationkilometres.Survey of South Australia. in frontier regions, additional pre-AusLAMP NSW raw and processed data,competitive information is neededSemi-permanent seismic stations and resistivity model (see Figure 1). Asto adequately evaluate the resourceprovide a back-bone for movable part of AusLAMP, GA in collaborationpotential. This will effectively de-risk thedeployments and compliment the with the Geological Survey of NSWarea and give industry the confidenceAustralian National Seismological areacquiring long period MT datato initiate exploration activities. OurNetwork (ANSN) operated by GA, across New South Wales on a halfknowledge of prospective basins inensuring continuity of seismic data degree (55 km) grid. Processed datanorthern Australia for natural resourcesfor lithospheric imaging and quality collected up until August 2019 will beis based on the currently available data.control. Three new high-sensitivity included in a release later this year. AHistorically, the most valuable data tobroadband seismic stations were resistivity model derived from thesepredict oil and gas resources has beendeployed in October 2019 (see data, the AusLAMP Victoria data (Duanseismic reflection data to understandFigure3). These include DRYOZ and DECEMBER 2019 PREVIEW 22'