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Seabed Environments and Shallow Geology of the Leveque Shelf, Browse Basin, Western Australia: GA0340 - Interpretative report

Created 16/10/2025

Updated 16/10/2025

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In May 2013, Geoscience Australia, in collaboration with the Australian Institute of Marine Science, undertook a marine survey of the Leveque Shelf (survey number SOL5754/GA0340), a sub-basin of the Browse Basin, on the AIMS research vessel, Solander. The survey provided seabed and shallow geological information to support an assessment of the CO2 storage potential of the Browse sedimentary basin. The basin, located on the Northwest Shelf, Western Australia, was previously identified by the Carbon Storage Taskforce (2009) as potentially suitable for CO2 storage. The survey was undertaken under the Australian Government's National CO2 Infrastructure Plan (NCIP) to help identify sites suitable for the long term storage of CO2 within reasonable distances of major sources of CO2 emissions. The principal aim of the Leveque Shelf marine survey was to look for evidence of any past or current gas or fluid seepage at the seabed, and to determine whether these features are related to structures (e.g. faults) in the Leveque Shelf area that may extend to the seabed. The survey also mapped seabed habitats and biota to provide information on communities and biophysical features that may be associated with seepage. This research, combined with deeper geological studies undertaken concurrently, addresses key questions on the potential for containment of CO2 in the basin's proposed CO2 storage unit, i.e. the basal sedimentary section (Late Jurassic and Early Cretaceous), and the regional integrity of the Heywood Formation (the seal unit overlying the main reservoir).

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Field Value
Title Seabed Environments and Shallow Geology of the Leveque Shelf, Browse Basin, Western Australia: GA0340 - Interpretative report
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/04451267-2956-4de0-a6c1-edac6b35f6a7
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage Australia
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Seabed Environments and Shallow Geology of the Leveque Shelf, Browse Basin, Western Australia: GA0340 - Interpretative report". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/seabed-environments-and-shallow-geology-of-the-leveque-shelf-browse-basin-western-australia-ga0