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  • Processed Stacked and Migrated SEG-Y seismic data and section images for the Youanmi Deep Crustal Seismic Survey. This survey was conducted under a National Geoscience Agreement with the Western Australia Geological Survey. Funding was through the Onshore Energy Security Program and Western Australia's Exploration Incentive Scheme. The objective of the survey was to image the northwest Yilgarn Craton to the Ida Fault crossing the Meekatharra structural zone, a focus of gold mineralization. Data are supplied as SEG-Y files, TIFF and PDF images. Raw data for this survey are available on request from clientservices@ga.gov.au

  • Terrex Seismic was contracted by ANSIR to conduct seismic recording operations for Ballarat Goldfields NL to acquire approximately ten (10) kilometers of high resolution 2D data within the Ballarat region of Victoria. Recording commenced on the 8th May 2006 and was completed 3 days later on the 11th May 2006. The acquisition area of the Ballarat High-Res 2D was situated approximately eight (8) kilometers south of the township of Ballarat. Raw data for this survey are available on request from clientservices@ga.gov.au

  • The 2005 Broken Hill High Resolution 2D Seismic Survey, contracted to Terrex Seismic Pty Ltd for ANSIR (Australian National Seismic Imaging Resource) and New South Wales Department of Primary Industries - Mineral Resources. The survey operation was located approximately 6km north east of the town of Broken Hill in western New South Wales. The high resolution 120 fold seismic reflection survey was carried out in August 2005 along a 12 km portion of the seismic line 96AGS-BH1B in the Broken Hill region that was recorded by the Australian Geological Survey Organisation (AGSO) in 1996-97. The purpose of the new survey was to compare high resolution seismic data with low fold explosive seismic data along the same line and to image geological structures at shallow crustal levels. Two HEMI-60 Vibroseis trucks were used as sources. A total of 12.2 km of 120 fold seismic reflection data were acquired to 16 s TWT, except for the last 2 km of the profile where the fold was decreased to 60. Raw data for this survey are available on request from clientservices@ga.gov.au

  • The Tanami region of the Northern Territory is a major Australian gold province and contains the world class Callie gold deposit. Shallow sediments largely obscure basement host rock, so the application of geophysical techniques has become an important mapping tool for the further exploration and development of the mine. Acquisition of seismic data along a single line across the deposit will test the understanding of key structures, some of which are related to mineralisation. By extending the line beyond the boundaries of the currently well understood mine area, we hope to illuminate continuations of stratigraphic and structural trends. These structures include: fault geometries, relationships of stratigraphic packages to controlling structures and stratigraphic thickness. The survey is designed to provide data to image to approximately 2km depth. Integration the data from this project with that of the Tanami Seismic Reflection Acquisition Project will provide a broader understanding of the structural and stratigraphic frame work of both the mine area and the Tanami region. Raw data for this survey are available on request from clientservices@ga.gov.au

  • A seismic survey using the Australian National Seismic Imaging Resource (ANSIR) Hemi 60 Vibroseis vehicles, ARAM24 acquisition equipment and Pelton controllers was carried out in the Curnamona Province of South Australia. A total of 197.6 km of 2-D seismic reflection data were collected to 18 seconds two way time over a single line at a nominal 60 fold CDP coverage. These data were acquired under contract by Trace Energy Services (2003) and by Terrex Seismic (2004). The survey commenced in August 2003 but was abandoned due to wet weather. Survey operations were recommenced and completed in July 2004. The project was undertaken to meet the objectives of ANSIR proposal 03-02R as lodged by researchers from PIRSA, Office of Minerals, Energy and Petroleum, SA. The principal scientific objective of this survey was to provide a regional crustal seismic image of the Curnamona Province. This dataset will assist in the understanding of the geological architecture and resource potential of the region particularly in areas under cover. This line links with a seismic transect in the Broken Hill Block undertaken by Australian Geological Survey Organisation (AGSO, now Geoscience Australia) in 1996 and provides a future opportunity for an eventual east-west continuation across the Adelaide Geosyncline and the Gawler Craton. The survey was funded by PIRSA, Office of Minerals, Energy and Petroleum, SA and the pmd*CRC with project supervision undertaken by ANSIR and in-kind support from Geoscience Australia (GA). Raw data for this survey are available on request from clientservices@ga.gov.au

  • Trace Energy Services was contracted by ANSIR to conduct the ANSTO 2002 Seismic Survey in New South Wales. Raw data for this survey are available on request from clientservices@ga.gov.au

  • A multicomponent seismic survey using an IVI MiniVib as a source was carried out to assist in mapping of fracture porosity in shear zones in areas of dryland salinity for the School of Biological, Earth and Environmental Sciences (UNSW). The survey obtained a set of three dimensional, three component data at two sites near Spicers Creek, some 45km east of Dubbo. The acquisition was undertaken by Australian National Seismic Imaging Resource (ANSIR) from the 5th to the 12th April 2003 with the assistance of staff from UNSW. The objectives of this seismic survey are: 1. Develop quantitative measure of azimuthal anisotropy of P- and S-waves using refracted head wave amplitudes. 2. Determine the relative effects of lithological fabric and fracture porosity on P- and S-wave anisotropy factors. 3. Determine quantitative relationships between azimuthal anisotropy and fracture porosity. 4. Measure the horizontal and vertical variability of the fracture porosity in the fracture zones which control the discharge of saline groundwater and the occurrence of dryland salinity at the three experimental sites in the Spicers Creek Catchment. 5. Develop cost-effect field techniques for 3D - 3C (three dimensional - three component) shallow seismic refraction surveys for geotechnical, environmental and groundwater applications. Raw data for this survey are available on request from clientservices@ga.gov.au

  • Terracorp under its facilities management agreement with ANSIR was contracted to conduct the 1999 Yilgarn Seismic Survey located in the Kalgoorlie Goldfields region of Western Australia. In total 194.64 kms of 60 and 120 fold, 240 channel data was recorded between 19th August and 3rd September 1999. This high resolution and regional seismic profiles were acquired in order to image the major structural features of the region, particularly the highly mineralised Bardoc-Boorara Shear and to provide three-dimensional information about the relationship between the greenstones and the granites. Raw data for this survey are available on request from clientservices@ga.gov.au

  • Terracorp under its facilities management agreement with ANSIR was contracted to conduct the 1999 Lachlan and Marsden Seismic Surveys located around West Wyalong, NSW. In total 206.47 kms of 60, 80 and 120 fold, 160 & 240 channel data was recorded between 11th September 1999 and 29th September 1999. This Eastern Lachlan Orogen project was part of the research conducted by the Australian Geodynamics Cooperative Research Centre (AGCRC), which was established under the auspices of the Commonwealth Government's Cooperative Research Centres Program in 1993. The Ordovician volcanics and associated rocks of the Eastern Lachlan Orogen are important as a significant Australian gold province. To assist mineral exploration companies in understanding the geodynamics and mineral systems of this region, the AGCRC has been collecting information that will assist in the development of geodynamic and exploration models of the region. To understand the size and architecture of the mineral system, we need to know the threedimensional geometry of the system we are dealing with. To start to address this, in 1997 the AGCRC commenced a project in the Eastern Lachlan Orogen by collecting seismic information to examine the regional scale crustal architecture as a first step towards building exploration models for the region. We continued this work in 1999 with the collection of further deep seismic reflection data along two traverses in the Forbes-West Wyalong region. The northern traverse was jointly funded by the AGCRC and the Geological Survey of New South Wales (GSNSW) as a cooperative research project. The southern traverse was funded by the AGCRC, and co-investigators in the seismic interpretation involved staff from the AGCRC at AGSO, the GSNSW, and AGSO's Gilmore Project. Raw data for this survey are available on request from clientservices@ga.gov.au

  • The survey 1999 CABGAS 2D seismic Survey was contracted to Terracorp Pty Ltd for Australian National Seismic Imaging Resource (ANSIR). The survey operation consisted of 160 kilometres of seismic line in the unassigned acreage of the Darling Basin area, located approximately 150 kilometres north east of Broken Hill in western New South Wales. Raw data for this survey are available on request from clientservices@ga.gov.au