b'Geophysics in the surveysNewsMineral Resources Tasmania: New state-wide 3D geological modelMineral Resources Tasmania hasA refined top surface of granitoidsReferencesproduced a new version of its state-widein eastern Tasmania from new 2D 3D geological model (Figure 1). modelling based on significantLeaman, D. E., 2012. An interpretation revisions to the regional gravity modelof the granitoid rocks of eastern When originally released in 2004,(Leaman 2012). Tasmania. Mineral Resources Tasmania incorporating a range of complementaryGPCR2012_01.data sets in addition to 3D geologicalThe model package, a Geoscience AnalystOstersen, T.C.H., 2021. Geoelectric objects, the model package was the.geoh5 workspace, also contains updatedstructure of the Tasmanian first such construction for an entiregravity and magnetic grids, includinglithosphere from multi-scale jurisdiction anywhere in the world.the major 2021 and 2022 extensionsmagnetotelluric data. PhD thesis, This 2023 revision adds several newof modern magnetic data coverage toUniversity of Tasmania. Also geophysical data sets and models thateastern and southern Tasmania. available via Mineral Resources have been developed in the meantime. Geological objects in the model have alsoTasmania (GPCR2019_01).These include: been updated with current stratigraphicYoung, M., Rawlinson, N. and T. Bodin, nomenclature and clearer fault names. 2013. Transdimensional inversion of The Tasmanian leg of AusLAMP MT, aambient seismic noise for 3D shear resistivity model spanning from surfaceThe package can be downloaded fromvelocity structure of the Tasmanian through to lithospheric mantle depthsthe MRT website, https://www.mrt.tas. crust. Geophysics 78: WB49-WB62. (Ostersen 2021) gov.au/products/database_searches/3d_ 10.1190/geo2012-0356.1Two regional shear wave velocitymodel_data.models derived from ambient seismicMark Duffett and Daniel Bombardieri noise measurements (Young etal. 2013;Mineral Resources Tasmania Mineral Resources Tasmania in prep.) mark.duffett@stategrowth.tas.gov.auFigure 1.A view of the new edition of the Tasmanian 3D geological and geophysical model, including elements of the newly added MT and passive seismic components.OCTOBER 2023 PREVIEW 20'