b'ASEG newsCommitteesASEG Research Foundation: Richard Lane Scholarship winner 2023in groundwater mapping and these fieldSurvey of South Australia (GSSA) investigations were particularly fascinatingfunded aeromagnetic data. Historical and highlights of my junior career thus far. geophysical surveys completed in the 1950s and 1980s include frequency-Geophysics has allowed me to integratedomain EM and self-potential (S.P) multidisciplinary datasets and interpretsurveys and are also available.them in a broader geological context to solve complex problems. Studying underThe overarching goal is to determine a Mike Dentith at UWA, and later workingworkflow for geophysical exploration under Barry Bourne at Terra Petrophysics,of graphite in the high-grade terrains I learnt about petrophysics in a mineralof the eastern Eyre Peninsula. A set of exploration context, which I considersubsidiary objectives are listed below to be the key to linking conflictingand contribute to the achievement of the geological and geophysical datasets. Myoverarching goal.background in petrophysics has allowed Claire Mortimore me to develop a thorough understandingUsing the GSSA regional magnetic data; of the foundations of geophysics. As acomplete a geological interpretation The winner of the third annual Richardgeoscientist and laboratory managerover the Koppio/ Kookaburra Gully and Lane Scholarship is Claire Mortimore fromat Terra Petrophysics, I have had theUley areas to identify possible district-the School of Earth Science, University ofchance to participate in geophysicalscale structural controls on graphite Western Australia. Claire is undertakingfieldwork using techniques such as Loupemineralisation. Compare and contrast an Honours degree in geophysics and hasTEM and GPR. Most recently, I acquiredregional TMI at Koppio/ Kookaburra been awarded $5000. Claires supervisor isLoupe data over my research prospectGully to Uley. Are the controls on Professor Mike Dentith. in South Australia. The latest magneticgraphite mineralisation similar?The ASEG Richard Lane Scholarship hasand conductivity physical propertyInterpretation of detailed airborne EM been established to support geophysicsmeasurements over the south Eyre(AEM) and magnetic data from Koppio Honours and Masters students and toPeninsula were taken in the 1950s. Thisto determine prospect-scale controls commemorate the life and work of ASEGwarranted the collection of more recenton mineralisation.Gold Medal recipient Richard Lane. Thepetrophysical data from the availableCompare TEM and AEM. Is the cost scholarship is open to all BSc (Hons) andAC and outcrop, especially given Mikeof AEM warranted? Is EM, overall, MSc geophysics students and consistsDentiths more recent petrophysics in thea reliable indicator for graphite of a grant of $5000 to the best rankedEyre Peninsula over Uley, which showedexploration across the eastern Eyre student in the current year. Ranking isdissimilar results to the historical values.Peninsula?based on a 200-word discussion, overviewTherefore, I believe it would be valuableCompare the modern geophysical data of a geophysics project and academicto conduct reinvestigation with modernwith the legacy datasets. Frequency transcript. We acknowledge and thankinstrumentation over the Koppio prospectdomain EM is rarely used today, instead Jayson Meyers and Resource Potentialsin South Australia which would involveTime-domain EM (TEM) is the industry Pty Ltd for the concept and donations. additional travel and field expenses. Thestandard electromagnetic survey funding from this scholarship wouldmethod. TEM is generally; more efficient The scholarship is awarded annually andsupport my research project in this way. and simpler to operate, has a greater donations to support the scholarshipsdepth penetration, higher signal: continuation are sought from institutions,Claires Honours project noise ratio and is more cost effective companies and individuals. Informationthan frequency domain EM. Similarly, on donations via the ASEG ResearchGeophysical exploration for graphiteSP data is slow to acquire, and often Foundation can be found at www.aseg. mineralisation on the eastern Eyreambiguous in interpretation and has org.au/foundation/donate Please markPeninsula, South Australia. been consequently replaced by more donation specifically Richard Lanemodern geophysical survey methods. Scholarship This research project concerns processingThe question becomes, how much more and interpretation of new geophysicaleffective are the modern geophysical data from the Koppio and adjacentexploration techniques than the Why Claire is studying geophysicsKookaburra Gully graphite prospects andoutdated techniques? Does the new data (200-word discussion) seeks to understand geological controls(TEM) alter the existing interpretation of on graphite mineralisation and to assessthe Koppio graphite deposit?I was first exposed to mineral explorationhow best to use geophysical data whenPetrophysical measurements: Collect geophysics in my undergraduate yearsexploring for graphite resources in thismagnetic susceptibility and inductive when I took a keen interest in geologicalgeological environment. conductivity physical property mapping and geological interpretationmeasurements on mineralised and of geophysical data. I appreciate theThis involves working with newlynon-mineralised samples at Koppio. versatility of geophysics and see it as aacquired and existing geophysicalThese data will be used for calibration science that can adapt well to a variety ofdata from the prospects. This includesof geophysical interpretations.subspecialties including environmentalrecently acquired ground and airborne science, agriculture, and archaeology.Time-domain EM (TEM) collectedDoug Roberts I have personally applied near surfaceby Lincoln Minerals in collaborationASEG Research Foundation Secretary geophysics in archaeological contexts andwith Terra Resources, and Geologicalresearch-foundation@aseg.org.auAUGUST 2023 PREVIEW 6'