b'John Denhams best of Exploration GeophysicsFeatureJohn Denhams best of Exploration GeophysicsHowever, in looking through the tables of contents, one title caught my eye. While the paper does not specifically deal with my chosen field, it does deal with a fundamental issue that has plagued geophysics in all fields throughout my career.The paper I have chosen is Geologists and geophysicists: getting them on the same planet by A.J. Willocks and B.A. Simons.unfortunately, I dont think that we can say today that this is an issue of the past, even if the examples detailed in the paper seem to be dated. And as I noted above - the lessons apply, at least in general terms to all fields of geophysics. Even fields that John Denhamdo not really involve geology, such as geophysics in archaeology Editor Exploration Geophysics 1994-99or forensics, demand that the geophysicist understand the jjd@skymesh.com.au other discipline - and vice versa.Purely by chance this paper is actually from my period as My first thought, when asked to nominate a paper for theEditor of Exploration Geophysics, and is also from a conference ASEGs 50th anniversary best of Exploration Geophysics series,volume.was to look for a paper that represented a major milestone in geophysics in my own field of petroleum geophysics, perhapsA. J. Willocks and B. A. Simons (1998), Geologists and a case history of a major discovery, or the first application of ageophysicists: getting them on the same planet, Exploration new technique in Australia. Geophysics, 29:3-4, 658-664, DOI: 10.1071/EG998658Geologists and geophysicists: getting them on the same planetA. J. Willockslacked credibility and were almost immediately discarded by geologists as being unhelpful. The new process requires Geological Survey of Victoria, Department of Natural Resourcesgeologists and geophysicists to work as a team to reconcile and Environment, PO Box 500 East Melbourne, Victoria, Australiaall the geophysical and geological observations to produce 3002. Phone: 03 9412 5131; Facsimile: 03 9412 5155; E-mail: Alan. an accurate, integrated geological map. It demands that Willocks@nre.vic.gov.au* the geologist understands the geophysical responses and B. A. Simonsthe geophysicist understands the geology. Both need to acknowledge the limitations inherent in each method.Geological Survey of Victoria, Department of Natural Resources and Environment, PO Box 500 East Melbourne, Victoria, AustraliaPresenting the results provides a further series of challenges 3002. Phone: 03 9412 5110; Facsimile: 03 9412 5155; E-mail: Bruce. to the mappers, interpreters, managers and cartographers. We Simons@nre.vic.gov.au* have also yet to integrate the mineralisation history into this mapping process. Meeting these challenges to produce a full ABSTRACT: The results of new detailed airborne geophysicaland accurate understanding of the geology and geophysics, surveys over Victoria have been lauded by industry as beingrather than of one or the other, is essential to ensure increased a great incentive to increase mineral exploration in the State.exploration success.These data become especially useful when combined with new semi-detailed geological mapping. The Geological Survey ofKeywords: geophysical interpretation, geophysical maps, Victoria has now developed a new methodology to integrategeological mapping, interpretative maps gravity, airborne geological mapping with the interpretation of the geophysicalmagnetics, airborne radiometriesdata to produce a single composite understanding of the rocks and their relationships. It has required a reappraisal ofIntroductionthe way geologists and geophysicists map, both together and separately, and additional training to make the process work. The Victorian Initiative for Minerals and Petroleum (VIMP), a Sufficiently detailed data acquired prior to the geologicalmajor state government exploration initiative, was designed to mapping allows a fully integrated interpretation, using thepromote and aid mineral exploration in Victoria. In conjunction available geophysical and geological data, to produce mapswith new geological mapping, the initiative has provided over that reflect both geological and geophysical reality. Previously,500 000 line km of high resolution magnetic, radiometric, and geologists and geophysicists worked in partial or completedigital terrain data with 200 m and 400 m line spacing and over isolation. Too often geophysicists gave geologists lineament20 000 gravity stations at a spacing of about 1.5 km (Willocks or line maps that bore little resemblance to geological reality,and Sands 1995; Willocks 1997). As well, the results have been a catalyst for increased mineral exploration of the State. The data have proven especially useful when combined with new 1:50 * These contact details were correct in 1998 and are almost certainly out-of-date 000 scale geological mapping.45 PREVIEW JuNE 2020'