b'NewsGeophysics in the surveysGeological Survey of Victoria: NewsStructural modelling of theprospective regions not previouslyReferencesPortland Trough recognised (Skladzien and Cayley 2023).Boyd, M., M.A. McLean and R.A. Cayley. 2024. The Geological Survey of Victoria (GSV)The report and data package can beStructural modelling of the Portland Trough has completed structural modelling of theaccessed via the Earth Resourcesusing seismic interpretation, gravity inversion Portland Trough in the southwest OtwayPublications website. The fault data canand forward modelling: South west Otway Basin, using a combination of geophysicalalso be viewed and downloaded viaBasin,Victoria. Geological Survey of Victoria Resources Victorias free online mappingReport 131. Department of Energy, Environment data and geological modelling methodsprogramGeoVic - by adding theand Climate Action, 38 pp. www.gsv.vic.gov.au/(Boyd et al. 2024). The Portland Trough isfollowing layer from the Data Layers Menu:rid/171956a subsurface structural depression, andSkladzien, P.B. and R.A. Cayley. 2023. Central-the new study suggests the trough mayGeophysicsInterpretationsGeophysics 250KRegional geological faults of CentralWestern Victoria Regional Fault Data Package, be signi\x1ecantly deeper than previouslyVersion 1.0. Geological Survey of Victoria determined. A new structural feature, theand Western Victoria. Technical Record 2023/3. Geological Survey of Deep Portland Trough, has implicationsSuzanne Haydon, Phillip Skladzien,Victoria, 20 pp. www.gsv.vic.gov.au/rid/171947for energy recovery, hydrogen and gasMatt Boyd storage, and geothermal energy potentialGeological Survey of Victoriain the area.E Suzanne.Haydon@deeca.vic.gov.auDownload the report (Figure 1) and associated data from Resources Victorias Earth Resources Publications website.Central-western Victoria regional fault data packageThe GSV has released a new compilation of fault interpretation data for central and western Victoria (Figure 2). This is the \x1erst update to regional scale Victorian fault interpretations in 25 years. Positions of major crustal-scale structures have been re-interpreted, constrained by recent seismic re\x1cection and enhanced potential \x1eeld geophysical data. The new interpretation highlights potentially Structural modelling of the Portland Trough using seismic interpretation, gravity inversion and forward modelling:South west Otway Basin, VictoriaGEOLOGICAL SURVEY OF VICTORIA REPORT 131M. Boyd, M. A. McLean & R. A. CayleyJanuary 2024Figure 1. The report cover highlights the Portland Trough in a 3-D perspective view of the basement, above the discretised model (shown in red/orange). Figure 2. Regional faults across western Victoria, coloured by fault type.APRIL 2024PREVIEW 23'