5EFEB9B61E918EA1E050CD9B2144457EEnglishManager Geophysics and Remote SensingDepartment of Mining and EnergyManager Geophysics and Remote Sensing(08) 8999 6443(08) 8999 6824geoscience.info@nt.gov.au2017-11-28AS/NZS ISO 19115 Geographic Information - Metadata, ANZLIC Metadata Profile1.0 Concealed Geological Boundaries2017-11-28 The Mesoproterozoic Beetaloo Sub-basin is a fully concealed sub-basin located approximately 300 km southeast of Katherine. It comprises thick successions of the Roper Group within the McArthur Basin. The boundary defining the spatial extents of the Beetaloo Sub-basin represents the top Kyalla Formation at a depth of approximately 400 m below topographic surface. The depth to top Kyalla Formation is calculated from the interpretation of 96 seismic lines constrained by 26 wells. The spatial extent of the boundary is further constrained by potential field geophysics.Creative Commons: The Northern Territory Government supports and encourages the dissemination and exchange of its information. The copyright in this publication is licensed under a Creative Commons Attribution 4.0 International Licence (CC BY 4.0). Under this licence you are free to use this publication in accordance with the licence terms without having to seek our permission. You must keep intact the copyright notice and attribute the Northern Territory Government as the source of the publication. Please give attribution to: Copyrite Northern Territory Government (Northern Territory Geological Survey) 2017. We also request that you observe and retain any copyright or related notices that may accompany this material as part of the attribution. This is also a requirement of the Creative Commons Licences. Disclaimer: While all care has been taken to ensure that information contained in this publication is true and correct at the time of publication, changes in circumstances after the time of publication may impact on the accuracy of its information. The Northern Territory of Australia gives no warranty or assurance, and makes no representation as to the accuracy of any information or advice contained in this publication, or that it is suitable for your intended use. You should not rely upon information in this publication for the purpose of making any serious business or investment decisions without obtaining independent and/or professional advice in relation to your particular situation. The Northern Territory of Australia disclaims any liability or responsibility or duty of care towards any person for loss or damage caused by any use of, or reliance on the information contained in this publication.English-17.61-15.21132.39134.912017-09-012017-11-01datasetnot knownThe data is complete within the scope of the project and is limited by the quality of geological and geophysical input data available at the time.0not knownData is logically consistent for the purposes of the geological interpretation of the spatial extent of the Beetaloo Sub-basin.0not knownData are interpretative and positional accuracy is influenced by both input datasets and interpretation uncertainty. The quality of the input datasets is considered highly variable. Seismic two-way time to depth conversion accuracy is estimated at 150 m.0not knownAttribution accuracy is high, accurately reflecting the interpretation.0Top Kyalla Formation was interpreted on seismic lines from the following surveys: - McArthur Basin 2D SS 1989 - McArthur Basin 2D SS 1990 - McArthur 2D SS 1991 - McArthur Basin 2D SS 1991 - McArthur River Ph I 2D SS 1992 - McArthur River Ph II 2D SS 1992 - Beetaloo Basin 2D SS 2006 - Beetaloo 2D SS 2011 - Beetaloo 2D SS 2012 - Hidden Valley 2D SS 2013 - McArthur 2D SS 2013 Interpretations were constrained using well data and potential field geophysics.