Giving legacy data a new life - palaeovalleys from preliminary integrated interpretation
<div>Previous work by the SA government and CSIRO[i] highlighted the value of integrating AEM data with other geological and hydrogeological data to model palaeovalley groundwater systems and develop regional hydrogeological conceptualisations. This allows better-informed water supply decisions and management for communities in remote parts of Australia where these systems provide the only available and long-term water resource. The Exploring for the Future Musgrave Palaeovalley module seeks to apply similar work flows across the western Musgrave Province and adjacent Officer and Canning basins.</div><div>Open file mineral exploration AEM data from 11 surveys in WA and SA flown between 2009 and 2012 were re-processed and inverted to produce conductivity models and a suite of derived datasets. Geoscience Australia’s Layered-Earth-Inversion was used as a single standard processing and inversion method to improve continuity and data quality.</div><div>These legacy AEM data, originally for mineral exploration, have been incorporated with DEM-derived landscape attributes, previous palaeovalley mapping and available bore lithologies to model palaeovalley base surfaces. This presentation will provide an example from four blocks of AEM data to show how repurposing data from mineral exploration, public bore data and landscape analysis can be used to identify palaeovalley systems which provide critical water supplies for remote and regional communities and industry[ii].</div><div>This approach can be used to model palaeovalley systems from a range of geoscientific and other datasets. The Exploring for the Future Musgrave Palaeovalley module has acquired ~23,000 line km of AEM across parts of WA and the NT at line spacings of 1 and 5 km. This new precompetitive data will be used to model palaeovalley system geometry and integrate with new and existing AEM, drilling, landscape, groundwater chemistry and surface geophysics data to test hydrogeological conceptualisations of these groundwater systems.</div><div><br></div><div><br></div><div> [i] Costar, A., Love, A., Krapf, C., Keppel, M., Munday, T., Inverarity, K., Wallis, I. & Sørensen, C. (2019). Hidden water in remote areas – using innovative exploration to uncover the past in the Anangu Pitjantjatjara Yankunytjatjara Lands. MESA Journal 90(2), 23 - 35 pp.</div><div>Krapf, C., Costar, A., Stoian, L., Keppel, M., Gordon, G., Inverarity, K., Love, A. & Munday, T. (2019). A sniff of the ocean in the Miocene at the foothills of the Musgrave Ranges - unravelling the evolution of the Lindsay East Palaeovalley. MESA Journal 90(2), 4 - 22 pp.</div><div>Krapf, C. B. E., Costar, A., Munday, T., Irvine, J. A. & Ibrahimi, T., 2020. Palaeovalley map of the Anangu Pitjantjatjara Yankunytjatjara Lands (1st edition), 1:500 000 scale. Goyder Institute for Water Research, Geological Survey of South Australia, CSIRO.</div><div> https://sarigbasis.pir.sa.gov.au/WebtopEw/ws/samref/sarig1/wci/Record?r=0&m=1&w=catno=2042122. </div><div>Munday, T., Taylor, A., Raiber, M., Sørensen, C., Peeters, L. J. M., Krapf, C., Cui, T., Cahill, K., Flinchum, B., Smolanko, N., Martinez, J., Ibrahimi, T. & Gilfedder, M., 2020a. Integrated regional hydrogeophysical conceptualisation of the Musgrave Province, South Australia, Goyder Institute for Water Research Technical Report Series 20/04, Goyder Institute for Water Research, Adelaide.</div><div>Munday, T., Gilfedder, M., Costar, A., Blaikie, T., Cahill, K., Cui, T., Davis, A., Deng, Z., Flinchum, B., Gao, L., Gogoll, M., Gordon, G., Ibrahimi, T., Inverarity, K., Irvine, J., Janardhanan, Sreekanth, Jiang, Z., Keppel, M., Krapf, C., Lane, T., Love, A., Macnae, J., Mariethoz, G., Martinez, J., Pagendam, D., Peeters, L., Pickett, T., Robinson, N., Siade, A., Smolanko, N., Sorensen, C., Stoian, L., Taylor, A., Visser, G., Wallis, I. & Xie, Y., 2020b. Facilitating Long-term Outback Water Solutions (G-Flows Stage 3): Final Summary Report. Goyder Institute for Water Research, Adelaide, http://hdl.handle.net/102.100.100/376125?index=1. </div><div>[ii] Symington, N. J., Ley-Cooper, Y. A. & Smith, M. L., 2022. West Musgrave AEM conductivity models and data release. Geoscience Australia, Canberra, https://pid.geoscience.gov.au/dataset/ga/146278. </div>
This Abstract was submitted/presented to the 2022 Sub 22 Conference 28-30 November ( http://sub22.w.tas.currinda.com/)
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- Date (Publication)
- 2023-02-19T22:15:52
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Role Organisation / Individual Name Details Publisher Commonwealth of Australia (Geoscience Australia)
Voice Author Smith, M.
Internal Contact Author Symington, N.
Internal Contact Author Halas, L.
Internal Contact
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Sub 22 Conference 28-30 November 2022 Adelaide SA
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Presentation at Sub22 conference. The symposium will deliver a diverse program of workshops, presentations, panel discussions, informal roundtables and networking opportunities, providing attendees with the chance to contribute and gain interdisciplinary insights into a wide range of scientific concepts, among them:• Extracting additional information from data so that complex models of subsurface processes can be better constrained.• Obtaining information about the processes governing the formation, evolution and properties of resources of all types.• Objectively accounting for petrophysical information in the inversion of geophysical data.
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Role Organisation / Individual Name Details Resource provider Minerals, Energy and Groundwater Division
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))
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Product data repository: Various Formats
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Data Store directory containing the digital product files
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EFTF – Exploring for the Future
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Officer-Musgrave-Birrindudu
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Palaeovalleys
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groundwater
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West Musgrave
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Groundwater hydrology
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© Commonwealth of Australia (Geoscience) 2022
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Australian Government Security Classification System
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Australian Government Security Classification System
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Giving legacy data a new life - palaeovalleys from preliminary integrated interpretation
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West Musgrave AEM conductivity models and data release
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Download presentation (pptx) [117.27 MB]
Download presentation (pptx) [117.27 MB]
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<div>Presentation developed from EFTF work.</div>
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Australian Government Security Classification System
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AU/NZS ISO 19115-1:2014
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ISO 19115-1:2014
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ISO 19115-3
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Geoscience Australia Community Metadata Profile of ISO 19115-1:2014
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Version 2.0, September 2018
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