20230719 16143600 1.0 TRUE Qld TMI magnetic image Total Magnetic Intensity (TMI) image of merged regional scale airborne geophysical magnetic surveys carried out across Queensland. The TMI image has been overlaid on a 1st vertical derivative of the TMI data and the grid had a cell size of approximately 80m and values are given in nanoTeslas (nT). © State of Queensland (Department of Resources), 2023