seismic reflection
Type of resources
Keywords
Publication year
Topics
-
This GIS dataset shows where Geoscience Australia (GA) has acquired regional seismic reflection data as a part of Australian Government's Onshore Energy Security Program (OESP) in collaboration with State and Territory geological surveys, AuScope and Australian National Seismic Imaging Resource (ANSIR). During 2006-2011 GA collected over 6,500 line kilometres of new world-class seismic reflection data within Australia for use by industry and government. This dataset is generated from files containing CDP (Common Depth Point) coordinates of all OESP seismic surveys. The CDP line is a curve of best fit through the midpoints between sources and receivers, which optimises the fold of the data while minimising the subsurface area of reflections contributing to each nominal CDP. Each trace (source-receiver pair) is allocated to the nearest CDP bin to its midpoint. The interval between each CDP traces is 20 metres.
-
As a contribution towards the assessment of the oil potential of the Canning Basin, the Bureau carried out a seismic survey in July, 1955 along a traverse to the north-west of Lansey's Cross ing in the Kimberley Division of Western Australia. There is a considerable thickness of sedimentary rocks, probably exceeding 20,000 feet, in the nearby Fitzroy Basin, but little is known of the structure of the Canning Basin. The object of the survey was to obtain information on the thickness of the sedimentary rocks in this part of the Basin and on thc geologicul structure of the sedimentary rocks at depth. The results show that near Langey's Crossing the thicknes s of the sedimentary rocks probably exceeds 16,000 feet and may exceed 20,000 feet. The traverse was oblique to the assumed. direction of the axes of the major structure in the basin and results indicate that it crosses the axis of what appears to be a broad syncline of low relief.
-
<p><b> Please note: This record has been made available internally for reference only</b> <p>PIMS is a search tool for discovery of survey and well data assets and physical samples held by the Geoscience Australia Repository. Data can be ordered and viewing of samples can be arranged via an online form. Although this is public data, fees are charged to cover the cost of transcription and delivery.
-
The Bureau of Mineral Resources conducted a seismic reflection survey of a small area near Broome, W.A., during 1954 and 1955. It was part of a general investigation of the Canning Basin and was aimed at determining the distribution of sediments south of the Fenton Fault. The seismic work indicated a sedimentary thickness of at least 6000 feet, and probably as much as 10,000 feet could be expected. It also showed that the subsurface formations are probably folded and faulted.
-
Interpretation of deep seismic reflection profiling coupled with forward modelling of gravity and aeromagnetic data, new zircon U-Pb age dating and the interpretation of the basement geology beneath the southern margin of the Eromanga Basin has provided insights into the southern part of the underlying Thomson Orogen and its relationship with the Lachlan Orogen to the south. Our interpretations of these data suggest that the northern Lachlan and southern Thomson orogens possessed a similar history from the mid-Late Silurian through to the Carboniferous. Major older differences, however, are suggested by the presence in the southern Thomson Orogen of relics of a possible Neoproterozoic arc, of Late Ordovician turbidites, by the geophysical evidence for crustal thickening caused by elevation of reflective lower crustal metavolcanic rocks high into the crust on a low-angle, north-dipping detachment thrust, and by old K-Ar age dates in southwestern Queensland. The seismically-imaged, north-dipping, crustal-scale Olepoloko Fault corresponds to the surface expression of Thomson-Lachlan boundary, and reflects the dip-slip and strike-slip partial reactivation and short-cutting of an older fault, which occurred in the Carboniferous, and probably also in the latest Silurian and Early Devonian.
-
Terrex Seismic was contracted by the Australian National Seismic Imaging Resource (ANSIR) to conduct the Department of Minerals and Resources (DMR NSW) Darling Basin 2004 Seismic Survey in New South Wales. Recording commenced on the 15th June 2004 on line DMR04-1 and was completed by the 1st July 2004. The survey operation covered areas north-east and north-west of Ivanhoe, and north of Wilcannia. Three 2D seismic lines, totalling 133.86 kilometres, were surveyed at a 30m station interval. Raw data for this survey are available on request from clientservices@ga.gov.au
-
The 2005 Thomson Lachlan 2D Seismic Survey was conducted by Terrex Seismic Pty, Ltd for ANSIR (Australian National Seismic Imaging Resource) and the New South Wales Department of Primary Industries - Mineral Resources. The survey was situated near the township of Tilpa (on the Darling River) in central NSW. There were three lines totalling 301.88km chained at a 40m station interval. The traverses cross a section of the Thomson Orogen gravity high where it is narrow and where the southern part is expressed by linear magnetic highs that extend as far south as the possible southern edge of the Thomson Orogen. These traverses also cross a narrow part of the Nelyambo Basin and the Mt Jack High to the south. Raw data for this survey are available on request from clientservices@ga.gov.au
-
The survey was undertaken as a collaboration between Geoscience Australia and the Australian Institute of Marine Science (AIMS). The purpose was to acquire geophysical and biophysical data on shallow (less than 100 m water depth) seabed environments within two targeted areas in the Petrel Sub-basin to support investigation for CO2 storage potential in these areas. Sub bottom profiler data were acquired using a sparker source and a 24 channel streamer, and processed as shallow, high resolution, multi-channel seismic reflection data.
-
The Bureau of Mineral Resources made three seismic surveys in the Ngalia Basin, Northern Territory, during 1967 to 1969 as part of a comprehensive geological and geophysical investigation of the structure and stratigraphy of the basin. L079 is the first survey done in 1967. The project was aimed at delineating the configuration of the basin, within which outcrops are sparse, and providing information pertaining to its depositional and tectonic history. Investigation of the extent of Lower Palaeozoic sedimentation was considered to be important in assessment of the petroleum prospects of the basin. Raw data for this survey are available on request from clientservices@ga.gov.au - Quote eCat# 75658
-
<p>2D seismic reflection data were acquired in the South Gippsland region of Victoria in June-July 2015. The project was a collaboration between the Geological Survey of Victoria (GSV) and Geoscience Australia (GA). The purpose of the survey was to gain an understanding of the geometry and internal structure of the Cretaceous Strzelecki Group and the underlying Palaeozoic basement of the Melbourne Zone. <p>Two hundred and three km of deep crustal reflection data were collected for the South Gippsland seismic survey along four transects 15GA-SG1, 15GA-SG2, 15GA-SG3 and 15GA-SG4. The data processing is being undertaken by a contractor on behalf of GA and GSV and is expected to be released in March 2016. <p>Raw data are available on request from clientservices@ga.gov.au