b'NewsGeophysics in the surveysMineral Resources Tasmania: Eects of infrastructure on geophysical explorationIn 2020 Mineral Resources TasmaniaThe \x1endings are summarised inwebsite: https://www.mrt.tas.gov.au/(MRT) commissioned Mitre GeophysicsTable 1. Among the most notable arewebdoc2/app/default/document_to investigate the impact of conductivethat windturbines and associateddomrept_detail?id=123829infrastructure, particularly power lines,transmission cables signi\x1ecantly pipelines, railways and wind farms, ondegradeairborne EMdata for atMark Duettgeophysical exploration. The resultingleast 150m distance fromthe cables,Mineral Resources Tasmania report, E\x1fects of Infrastructure onsometimes up to 600 m, and e\x1fectivelyE mark.duett@stategrowth.tas.gov.auGeophysical Exploration by Kate Hinepreclude high-resolutionairborne and John Bishop has now been releasedsurveys of all types. Surface EM andReferenceby MRT as Geophysical ContractorsIP methods are also a\x1fected (see Report (GPCR) 2021_03. for example Figure 1), evenif theEarner, N., 2020, 19 May 2020 Boda Drilling infrastructure is not energised. Update, Project Summary and Proposed Program, In addition to a review of the limitedAlkane Resources Ltd ASX announcement.available literature, the report is basedThe report should be useful in on data from several recent geophysicalformulating land use decisions, in the surveys and discussions with experts,context of Australias trajectory towards together with the considerable personalelectricity generation technologies experience of the authors. The casesrequiring many times greater extent presented include examples from NSW,than the current footprint, balancing Idaho, Denmark, Germany and westernthis against the imperative to avoid Tasmania, covering most techniquesdegrading signi\x1ecant prospectivity.It currently employed in mineralexploration. may be downloaded from the MRT Figure 1. Resistivity and chargeability (at 335m) depth slices from a post-wind farm IP survey, with buried cables and wind towers superimposed. There is a strong spatial association of cables withchargeability responses and, to a lesser extent,resistivity anomalies. Modi\x1ded after Table 1. E\x1cects of electrical infrastructure on geophysical exploration. Earner2020.Follow all our socials for the latest updates!E C D Q M k20 PREVIEWAPRIL 2024'