Map produced for the Australian Communications and Media Authority showing cable protection zones in the Sydney area with hydro chart detail as background. Overlayed with offshore sand deposits taken from GA Offshore Mineral Locations Map.

This report presents the interpretive results of a comprehensive geological framework study based on new and existing available well and seismic data. The study was initiated in 2003, as part of Geoscience Australia's Big New Oil Program to address exploration risks in a shallow water frontier basin.

The thermal event represented by the S-type Ngadarunga Granite in the western Arunta Region is constrained at 1803 ± 6 Ma from the crystallisation age of metamorphic zircon within adjacent Lander Package metasedimentary rocks. The granite crystallised no magmatic zircon, but does contain abundant inherited zircons whose age spectrum matches that of detrital grains in the adjacent partially melted sedimentary rocks. This provides the oldest age constraint on deformation in the Arunta Region, and on the region-wide unconformity separating the Lander Package from overlying Reynolds Range Group. Detrital zircon grains in the Lander Package were derived from a provenance dominated by 1840-1880 Ma crystalline rocks, inferring that the Arunta Region was a basin marginal to earlier continental crust of that age during deposition of the Lander basin phase.

Provisions for the award of a Retention Lease were added in 1985 to the Petroleum (Submerged Land) Act 1967 to provide security of title for offshore petroleum accumulations that are less than commercial but are likely to become commercially viable within 15 years. Of the Retention Leases granted to date, about 50 have been awarded over gas accumulations and about 10 have been awarded over oil accumulations. In addition, several Retention Lease applications are currently under consideration. A limited number of Retention Leases have been converted to Production Licences. Thus, the number of stranded accumulations held within Retention Leases is increasing. Retention Leases now cover an area of approximately 17,000 square km, which is larger than the area of the Barrow or Dampier Sub-basin, offshore Western Australia. Jurassic or Triassic sandstones of the Westralian Super-basin constitute the primary petroleum reservoirs in the overwhelming majority of the stranded accumulations. In many instances, remoteness from infrastructure and deep water are the main factors that give rise to the perception that an accumulation is stranded. However, a close examination of Australian stranded accumulations indicates that insufficient geological and reservoir engineering knowledge is also often the reason why the accumulations are not considered commercially viable. Lack of reliable information on gross rock volume, lateral continuity, net pay, hydrocarbon saturation, hydrocarbon-water contact and flow potential is common. Seven and eleven exploration wells had been drilled on the gross geological structures of North Rankin and Goodwyn respectively, before decisions on LNG development were made. In contrast, few appraisal wells have been drilled on many stranded accumulations. Adequate appraisal work in conjunction with marketing efforts is necessary to monetise these accumulations. Provisions for the award of a Retention Lease were added in 1985 to the Petroleum (Submerged Land) Act 1967 to provide security of title for offshore petroleum accumulations that are less than commercial but are likely to become commercially viable within 15 years. Of the Retention Leases granted to date, about 50 have been awarded over gas accumulations and about 10 have been awarded over oil accumulations. In addition, several Retention Lease applications are currently under consideration. A limited number of Retention Leases have been converted to Production Licences. Thus, the number of stranded accumulations held within Retention Leases is increasing. Retention Leases now cover an area of approximately 17,000 square km, which is larger than the area of the Barrow or Dampier Sub-basin, offshore Western Australia. Jurassic or Triassic sandstones of the Westralian Super-basin constitute the primary petroleum reservoirs in the overwhelming majority of the stranded accumulations. In many instances, remoteness from infrastructure and deep water are the main factors that give rise to the perception that an accumulation is stranded. However, a close examination of Australian stranded accumulations indicates that insufficient geological and reservoir engineering knowledge is also often the reason why the accumulations are not considered commercially viable. Lack of reliable information on gross rock volume, lateral continuity, net pay, hydrocarbon saturation, hydrocarbon-water contact and flow potential is common. Seven and eleven exploration wells had been drilled on the gross geological structures of North Rankin and Goodwyn respectively, before decisions on LNG development were made. In contrast, few appraisal wells have been drilled on many stranded accumulations. Adequate appraisal work in conjunction with marketing efforts is necessary to monetise these accumulations.

This dataset attempts to reflect the boundaries of claimant applications for Native Title as per the Register of Native Title Claims (s185, Native Title Act; Commonwealth). This is a national dataset but data is stored by jurisdiction (State), for ease of use. Applications stored for each jurisdiction dataset include applications which overlap into adjoining jurisdictions as well as applications which overlap with these. This dataset depicts the spatial record of registered claimant applications. Aspatial attribution includes National Native Title Tribunal number, Federal Court number, application status and the names of both the NNTT Case Manager and Lead Member assigned to the application. Applicants of registered applications have the Right To Negotiate (RTN) with respect to certain types of Future Acts over the area being claimed. Whilst applications that are determined are recorded on a separate register, all registered applications remain on the Register of Native Title Claims until otherwise finalised.

This dataset reflects the boundaries of claimant and nonclaimant native title applications that have been determined in part or in full, together with attribution about that determination. This dataset is stored nationally. The National Native Title Register (s192, Native Title Act, Commonwealth), is a register containing information about each determination of native title by the Federal or High Court or by a recognized State or Territory body. Determinations are categorized by both process and outcome. Process will be by consent, litigation or unopposed. Outcome will be that native title will have been found to exist in full or part, or been extinguished. Those determinations subject to appeal are also noted.

This dataset attempts to reflect the boundaries of claimant applications for Native Title as per the Register of Native Title Claims (s185, Native Title Act; Commonwealth). This is a national dataset but data is stored by jurisdiction (State), for ease of use. Applications stored for each jurisdiction dataset include applications which overlap into adjoining jurisdictions as well as applications which overlap with these. This dataset depicts the spatial record of registered claimant applications. Aspatial attribution includes National Native Title Tribunal number, Federal Court number, application status and the names of both the NNTT Case Manager and Lead Member assigned to the application. Applicants of registered applications have the Right To Negotiate (RTN) with respect to certain types of Future Acts over the area being claimed. Whilst applications that are determined are recorded on a separate register, all registered applications remain on the Register of Native Title Claims until otherwise finalised.

This map is part of the series that covers the whole of Australia at a scale of 1:250 000 (1cm on a map represents 2.5 km on the ground) and comprises 513 maps. This is the largest scale at which published topographic maps cover the entire continent. Each standard map covers an area of 1.5 degrees longitude by 1 degree latitude or about 150 kilometres from east to west and 110 kilometres from north to south. There are about 50 special maps in the series and these maps cover a non-standard area. Typically, where a map produced on standard sheet lines is largely ocean it is combined with its landward neighbour. These maps contain natural and constructed features including road and rail infrastructure, vegetation, hydrography, contours (interval 50m), localities and some administrative boundaries. The topographic map and data index shows coverage of the sheets. Product Specifications Coverage: The series covers the whole of Australia with 513 maps. Currency: Ranges from 1995 to 2009. 95% of maps have a reliability date of 1994 or later. Coordinates: Geographical and either AMG or MGA (post-1993) Datum: AGD66, GDA94, AHD. Projection: Universal Traverse Mercator (UTM) Medium: Paper, flat and folded copies.

At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres. Many maps are supplemented by hill shading. These maps contain natural and constructed features including road and rail infrastructure, vegetation, hydrography, contours, localities and some administrative boundaries. Product Specifications Coverage: Australia is covered by more than 3000 x 1:100 000 scale maps, of which 1600 have been published as printed maps. Unpublished maps are available as compilations. Currency: Ranges from 1961 to 2009. Average 1997. Coordinates: Geographical and either AMG or MGA coordinates. Datum: AGD66, GDA94; AHD Projection: Universal Transverse Mercator UTM. Medium: Printed maps: Paper, flat and folded copies. Compilations: Paper or film, flat copies only.

At this scale 1cm on the map represents 1km on the ground. Each map covers a minimum area of 0.5 degrees longitude by 0.5 degrees latitude or about 54 kilometres by 54 kilometres. The contour interval is 20 metres. Many maps are supplemented by hill shading. These maps contain natural and constructed features including road and rail infrastructure, vegetation, hydrography, contours, localities and some administrative boundaries. Product Specifications Coverage: Australia is covered by more than 3000 x 1:100 000 scale maps, of which 1600 have been published as printed maps. Unpublished maps are available as compilations. Currency: Ranges from 1961 to 2009. Average 1997. Coordinates: Geographical and either AMG or MGA coordinates. Datum: AGD66, GDA94; AHD Projection: Universal Transverse Mercator UTM. Medium: Printed maps: Paper, flat and folded copies. Compilations: Paper or film, flat copies only.