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Southwest Margin Surveys - Information Sheet

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Created 13/01/2025

Updated 13/01/2025

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As part of Geoscience Australia's Southwest Margin Project, two major marine surveys were undertaken (from October 2008 to February 2009) to investigate the resource potential of deep-water frontier areas on the southwest Australian continental margin.

Southwest Australian Margin Regional Marine 2D Seismic Survey (S310) - Areas covered by the seismic survey include the Mentelle Basin, North Perth Basin (Zeewyck and Houtman Sub-basins), Southern Carnarvon Basin and the Wallaby Plateau. Data acquired: 7300 kilometres of 2D seismic (12 second record length, 8 km solid streamer), gravity and magnetic data.

In addition to the new seismic reflection data, Geoscience Australia has reprocessed selected open-file industry seismic lines in the offshore Northern Perth Basin (11,700 line km) that provides ties to most wells in the Abrolhos and Houtman sub-basins.

Southwest Australian Margin Marine Reconnaissance Survey - The marine reconnaissance survey investigated the geology and marine environments of the offshore North Perth and Southern Carnarvon Basins and the Wallaby Plateau. Data acquired: multibeam swath bathymetry (230,000 km2), gravity and magnetics (25,000 line km), sub-bottom profiler (25,000 line km), geological samples (190 rocks from 53 dredge sites)

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Field Value
Title Southwest Margin Surveys - Information Sheet
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/42153e15-5f8c-4a86-b3a7-0c9bea32b547
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[108.0, -35.0], [116.0, -35.0], [116.0, -23.0], [108.0, -23.0], [108.0, -35.0]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Southwest Margin Surveys - Information Sheet". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/southwest-margin-surveys-information-sheet1

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No duplicate datasets found.