b'Geophysics in the surveysNewsGeological Survey of South Australia: Fraser Institute rates GSSA #1 for databasesThe Fraser Institute Annual Survey resultsupload gravity observations, alongwhen interacting with SARIG a user is were released in early May, and Southwith positional data, and calculates thelooking at prepared packages that are Australia is shining bright! ApproximatelyBouguer Anomaly for spherical cap andnot automatically generated. In general, 1966 exploration, development andslab models of the Earth, as well as thethe geophysical survey layers on SARIG other mining-related companies aroundFree Air Anomaly. There are homes forneed to be generated manually and the world were surveyed in the last \x1dveall survey metadata within the module,are run through a test environment months of 2022, and represent reportedand weve \x1cagged individual points thatbefore moving to production. For these exploration spending of US$1.90 billionare not suitable for inclusion in state gridairborne surveys, SARIG also includes a in 2022. Amongst other high rankings, SAproducts. SARIG auto-harvests gravitytime slice option, allowing a user to view was ranked number one in the world forinformation, but some manual worksurveys in the state over 5-year time Geological Databases. is still required behind-the-scenes toperiods.The Geological Survey of South Australiaensure all the spatial layers are updatedFinally, state-wide geophysical imagery (GSSA) manages numerous databasesand re-uploaded. arent part of a database as such, but housing a variety of geoscienti\x1dcThe Electrical Techniques Module housesmoving forward it is likely that well information. The GSSA also managesMagnetotelluric (MT) metadata andimplement something to keep track SARIG (the South Australian Resources.edi \x1dles. Due to their large size, raw MTof the various products in a robust Information Gateway), an online portal\x1deld observations are not housed on SAmanner.allowing public access to many of thoseGeodata. The induction arrows and phaseFor assistance accessing any of these databases. tensor ellipses that are visible on SARIGgeophysical data packages, please From a geophysical perspective, oneare automatically calculated from the .edicontact dem.customerservices@sa.gov.au\x1dles on SA Geodata.of our most important databases is anNgaityalyaOracle database named SA Geodata.Airborne geophysics, including(Kaurna, thank you)SA Geodata is comprised of numerousmagnetics, radiometrics, EM, DTM, and modules including a Gravity Modulegravity are not stored on SA Geodata. WePhilip Heath and an Electrical Technique Module.still use an in-house database to trackGeological Survey of South Australia The Gravity Module allows us tothese surveys and all the metadata, butPhilip.Heath@sa.gov.auJUNE 2023 PREVIEW 20'