P1291B Tanami-King Leopold WA Airborne Gravity Survey 2017

The Tanami–King Leopold survey was part of a collaborative research project between Geoscience Australia (GA) and the Geological Survey of Western Australia. Gravity data was collected at 5 km wavelength resolution with the purpose to help characterise key undercover geological elements of the region. The project area extends approximately from the Balgo Hills region near the border with the Northern Territory through to Derby in the west. The survey was conducted by Thomson Aviation Pty Ltd with a GT-2A gravimeter and managed by GA. A total of 25,869.36 line km of data were acquired over an area of 58,040 km². <strong>Survey details</strong>Survey Name: Tanami-King Leopold WA airborne gravity survey 2017State/Territory: Western Australia (WA)Datasets Acquired: Airborne gravity Geoscience Australia Project Number: P1291B Acquisition Start Date: June 16, 2017 Acquisition End Date: August 12, 2017 Flight line spacing: 2.5 km Flight line direction: 180deg / NS Tie line spacing: 25km Tie line direction: 270 deg / EWTotal line kilometers: 25,869.36 Nominal terrain clearance (above ground level): 477 m Aircraft type: GippsAero GA-8 AirvanData Acquisition: Thomson Aviation Project Management: Geoscience Australia Quality Control: CMG Operations Pty Ltd and Geoscience Australia Dataset Ownership: GSWA and Geoscience Australia <strong>Files included in this download</strong>This data package release contains the final survey deliverables received from the contractor Thomson Aviation. Quality control and data processing services were provided by CMG Operations Pty Ltd and peer reviewed by Dr Jack McCubbine (Geoscience Australia). The horizontal datum and projection for all the data are GDA94 and MGA52, respectively. <strong>1.</strong> <strong><em>Point-located Data / line data</em></strong>ASCII column XYZ and ASEG-GDF2 format with accompanying description and definition files.<br> <strong><em>2.Grids</em></strong> Datum: GDA94Projection: MGA52Grid cell size: 500mFormat: ERMapper (.ers)Gravity datum: AAGD07. There are 24 gridded data supplied in ERMapper (.ers) format. The grid cell size is 500 metres. The gravity datum used is AAGD07. <br> <strong>3. Reports</strong> • Final survey logistic report delivered to Geoscience Australia by the survey contractor: <em>TNC-TANAMI-FINAL-REPORT.pdf</em>• QC report from the peer reviewer of the data package: <em>Tanami King Leopold QC report.pdf</em> The data from this Tanami King Leopold survey can also be downloaded from the Geological Survey of Western Australia’s MAGIX platform at https://magix.dmirs.wa.gov.au and GeoVIEW.WA web mapping application at https://geoview.dmp.wa.gov.au/GeoView under reference number 71200. <br>