Geoscience Australia carried out a marine survey on Carnarvon shelf (WA) in 2008 (SOL4769) to map seabed bathymetry and characterise benthic environments through colocated sampling of surface sediments and infauna, observation of benthic habitats using underwater towed video and stills photography, and measurement of ocean tides and wavegenerated currents. Data and samples were acquired using the Australian Institute of Marine Science (AIMS) Research Vessel Solander. Bathymetric mapping, sampling and video transects were completed in three survey areas that extended seaward from Ningaloo Reef to the shelf edge, including: Mandu Creek (80 sq km); Point Cloates (281 sq km), and; Gnaraloo (321 sq km). Additional bathymetric mapping (but no sampling or video) was completed between Mandu creek and Point Cloates, covering 277 sq km and north of Mandu Creek, covering 79 sq km. Two oceanographic moorings were deployed in the Point Cloates survey area. The survey also mapped and sampled an area to the northeast of the Muiron Islands covering 52 sq km. cloates_3m is an ArcINFO grid of Point Cloates of Carnarvon Shelf survey area produced from the processed EM3002 bathymetry data using the CARIS HIPS and SIPS software

<div>The Abbot Point to Hydrographers Passage bathymetry survey was acquired for the Australian Hydrographic Office (AHO) onboard the RV Escape during the period 6 Oct 2020 – 16 Mar 2021. This was a contracted survey conducted for the Australian Hydrographic Office by iXblue Pty Ltd as part of the Hydroscheme Industry Partnership Program. The survey area encompases a section of Two-Way Route from Abbot Point through Hydrographers Passage QLD. Bathymetry data was acquired using a Kongsberg EM 2040, and processed using QPS QINSy. The dataset was then exported as a 30m resolution, 32 bit floating point GeoTIFF grid of the survey area.</div><div>This dataset is not to be used for navigational purposes.</div>

This service has been created specifically for display in the National Map and the chosen symbology may not suit other mapping applications. The Australian Topographic web map service is seamless national dataset coverage for the whole of Australia. These data are best suited to graphical applications. These data may vary greatly in quality depending on the method of capture and digitising specifications in place at the time of capture. The web map service portrays detailed graphic representation of features that appear on the Earth's surface. These features include the administration boundaries from the Geoscience Australia 250K Topographic Data, including state forest and reserves.

Geoscience Australia is currently focused on delivering pre-competitive data to support the regional assessment of CO2 storage prospectivity in the Petrel Sub-basin, as part of the Australian Government's National Low Emission Coal Initiative. In this context, Geoscience Australia, in collaboration with the Australian Institute of Marine Science (AIMS), completed a marine survey in two targeted areas of the Petrel Sub-basin in May 2012. Data acquired onboard the AIMS research vessel, Solander included 652.3 km2 of high resolution multibeam sonar bathymetry and 655 line-kilometres of multi-channel sub-bottom profiles. Sampling at pre-determined stations included surface sediment grabs, vibrocores, towed underwater video, conductivity-temperature-depth profiles and ocean moorings. Multibeam sonar mapping revealed that Area 1 is characterised by palaeo-channels, plains, low-relief ridges and pockmark fields, whereas Area 2 is characterised by three steep- to vertically-sided flat-topped banks, which stand approximately 30-40 m above the surrounding seabed. Analysis of sediment samples indicate that the plains are comprised of fine- to medium-grained sands and muds, whereas palaeo-channels comprise coarse- to very coarse-grained sands. Habitats include soft barren sediments, bioturbated soft sediments and mixed patches of octocorals and sponges, distributed over shallow water depth ranges (82 - 96 m in Area 1; 45 - 52 m in Area 2). This information will be utilised to assess the biogeophysical setting (including habitat characterisation and the identification of unique, rare and/or potentially vulnerable habitats and communities) and seabed stability of the Petrel Sub-basin for potential CO2 storage.

No product available. Removed from website 25/01/2019

This record is the result of a brief examination of data relevant to the titles areas. All available data have been used in its preparation, including confidential company reports, but no original interpretation has been made. Summaries are given of the regional geology, hydrocarbon potential, geophysical activity and drilling results. Assessments have been made of the prospectivity of the title areas, and recommendations are made for further exploration. Because of the moratorium on exploration on the Great Barrier Reef, only scientific surveys have been carried out since 1969 and no wells have been drilled. Aeromagnetic. and the small amount of reconnaissance seismic work carried out prior to the moratorium indicate the continental shelf is covered by a thin veneer of sediments with several ill-defined basinal depressions. These sediments are generally thought to be of Tertiary and Mesozoic age. Prospects for hydrocarbon accumulations within the existing title areas are rated as low. An area in the southeastern part of the Gulf of Papua outside the present title areas is considered to have the best prospects.

The hydrocarbon potential of the Tithonian play in the Dampier Sub-basin has been rapidly assessed as part of a continuing program of quantitative appraisal of Australia's hydrocarbon potential. Six wells have already tested the play; of these Angel was a significant gas discovery and Egret was a significant oil discovery. The remaining potential in four undrilled prospects (Courtenay, Wallcot, Nickol, and Finucane) has been assessed by the prospect by prospect method, using a Monte Carlo simulation computer program called SIMULAT.

Legacy product - no abstract available

Legacy product - no abstract available

Legacy product - no abstract available