b'Geophysics in the surveysNewsGeological Survey of South Australia: Overview of the receipt and processing of company mineral geophysical data by the South Australian Department of Energy and MinesMineral geophysical data are regularlythe release of the designated material,depth and if necessary, requests further acquired by mineral explorationwhichever occurs first. information from the company reporting companies throughout South Australia,officer.and the South Australian Mining ActPart 5 of the Act outlines the 1971 (revised in 2021) defines therequirements of Exploration LicenceOnce everything is in order, the material that must be provided to theholders, and section 30AAA detailsgeophysical data coordinator assigns the South Australian Government as partthe specific requirements aroundmaterial to a processing geophysicist, of tenement reporting. Despite someexpenditure. In summary, the tenementwho will examine the data in detail. changes to the wording in the 2021holder must provide statementsThe processing geophysicist will also revision, the rules for geophysical dataoutlining their exploration operations,prepare the data for future release online, reporting are much the same. and must be accompanied by suchcreating a data package for each survey information or evidence required by thecontaining the original data and reports, Division 6 of the Act (section 15AI)Minister (4)(a), and under subsectionas well as processed located data in a includes a list of definitions of6: and any information or evidencevariety of formats, grids and shapefiles.designated material. This includes,required under subsection (4)(a), must, if but is not limited to: records of surveys,the Minister so requires, be verified by anThe data package is then forwarded to a geological samples, logs, and prescribedindependent person with qualifications,checking geophysicist who undertakes material. Prescribed material isand in a manner, specified by thea final review. If everything is in order any document, instrument, report,Minister. it is forwarded to a data administrator information, samples or other materialwho checks the confidentiality status created under the Act or provided toThis is reiterated under Part 12and then moves the package to a Single a designated person under this Act, or(miscellaneous) of the Act, Section 90. APoint Of Truth (SPOT). From here, public otherwise obtained by a designatedtenement holder must, at the request ofdomain packages are moved onto the person under the Act. Geophysical datathe Minister, provide a report verifyingcloud, metadata created on Geonet, fit into this category. any information or material provided toand the geophysical data becomes the Minister or the Director under thisavailable on SARIG. The GSSA typically Section 15AL talks about the release ofAct. A reportand any informationrelease new surveys in batches every material, and is summarised astheor material required under this section,few months.Minister or the Director may, in suchmust, if the Minister so requires, be verified by an independent person withDEM currently has online data manner as the Minister or the Directorqualifications, and in a manner, specifiedsubmission via email and Kiteworks, but thinks fit, release any prescribedby the Minister. is progressing to online data submission material. Specifics of the release of datavia a new DEM database (MERS). are contained in a separate document,The geophysicists at the GeologicalWe envisage this will streamline our the Mining Regulations 2020 (part 5,Survey of South Australiaa businessprocesses, and ultimately ensure data is section 17). unit within DEMact as the independentavailable quicker.persons with qualifications, who review In summary, any designated materialall mineral geophysical data (DEM alsoThe GSSA also create value-added provided to the Director under this partemploys qualified persons to reviewproducts; a suite of statewide images in must not be releaseduntil (a) thedrillhole data, logs, and other prescribedthe form of ER Mapper grids. These are expiry of the period of 5 years from thematerial). the statewide magnetics, gravity and date on which the designated materialradiometrics grids. New public domain was so provided to the Director; or (b)From a practical point of view,surveys are compiled and merged into the expiry, cancellation or forfeiture ofExploration Licence holders submitseamless products that are available for the tenement to which the designatedreports and data to the DEM companyfree download on SARIG.material relates; or (c) the surrender,reporting officer. This officer undertakes relinquishment or reduction (in wholean initial review of the data. If any mineralFor any assistance with SARIG, please dont or in part) of the tenement to which thegeophysics data have been provided,hesitate to contact our customer services designated material relates (being, inthe officer and a data manager check ifteam: dem.customerservices@sa.gov.aua case involving a part of a tenement,there are both data and reports related toNgaityalya (Kaurna, thank you)the designated material that relates tothe claimed expenditure and work done, that part); or (d) the designated materialbefore forwarding to the geophysicalPhilip Heath has been made publicly available; or (e)data coordinator. The geophysical dataGeological Survey of South Australia a holder of the tenement consents tocoordinator reviews the material in morePhilip.Heath@sa.gov.auAUGUST 2023 PREVIEW 22'