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Seabed Environments and Shallow Geology of the Petrel Sub-basin, Northern Australia SOL5463 (GA0335) Post Survey Report (NLECI Program)

Created 25/06/2017

Updated 11/08/2023

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The Petrel Sub-basin Marine Survey GA-0335 (SOL5463) was acquired by the RV Solander during May 2012 as part of the Commonwealth Government's National Low Emission Coal Initiative (NLECI). The survey was undertaken as a collaboration between the Australian Institute of Marine Science (AIMS) and GA. The purpose was to acquire geophysical and biophysical data on shallow (less then 100m water depth) seabed environments within two targeted areas in the Petrel Sub-basin to support investigation for CO2 storage potential in these areas.

The survey mapped two targeted areas of the Petrel-Sub-basin located within the Ptrl-01 2009 Greenhouse Gas acreage release area (now closed). Data acquired onboard the AIMS research vessel, Solander included multibeam sonar bathymetry (471.2 km2 in Area 1 and 181.1 km2 in Area 2) to enable geomorphic mapping, and multi-channel sub-bottom profiles (558 line-kilometres in Area 1 and 97 line-kilometres in Area 2) to investigate possible fluid pathways in the shallow subsurface geology. Sampling sites covering a range of seabed features were identified from the preliminary analysis of multibeam bathymetry and shallow seismic reflection data. Sampling equipment deployed during the survey included surface sediment grabs, vibrocores, towed underwater video, conductivity-temperature-depth (CTD) profilers and ocean moorings. A total of 14 stations were examined in Area 1 (the priority study area) and one station in Area 2.

This report provides a comprehensive overview of the survey activities and preliminary results from survey SOL5463. Detailed analyses and interpretation of the data acquired during the survey will be integrated with new and existing seismic data. This new information will support the regional assessment of CO2 storage prospectivity in the Petrel Sub-basin and contribute to the nation's knowledge of its marine environmental assets.

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Field Value
Title Seabed Environments and Shallow Geology of the Petrel Sub-basin, Northern Australia SOL5463 (GA0335) Post Survey Report (NLECI Program)
Language English
Licence Creative Commons Attribution 4.0 International
Landing Page https://data.gov.au/data/en/dataset/97954953-093d-483e-bed7-6d9ad2e53931
Contact Point
Geoscience Australia
sales@ga.gov.au
Reference Period 25/06/2017
Geospatial Coverage
Map data © OpenStreetMap contributors
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This dataset was originally found on data.gov.au "Seabed Environments and Shallow Geology of the Petrel Sub-basin, Northern Australia SOL5463 (GA0335) Post Survey Report (NLECI Program)". Please visit the source to access the original metadata of the dataset:
https://data.gov.au/data/dataset/seabed-environments-and-shallow-geology-of-the-petrel-sub-basin-northern-australia-sol5463-ga03