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Academic literature on the topic 'Seismic prospecting Australia, Central'

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Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Seismic prospecting Australia, Central"

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Fainstein, Roberto, Juvêncio De Deus Correia do Rosário, Helio Casimiro Guterres, Rui Pena dos Reis, and Luis Teófilo da Costa. "Coastal and offshore provinces of Timor-Leste — Geophysics exploration and drilling." Leading Edge 39, no. 8 (August 2020): 543–50. http://dx.doi.org/10.1190/tle39080543.1.

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Regional geophysics research provides for prospect assessment of Timor-Leste, part of the Southeast Asia Archipelago in a region embracing the Banda Arc, Timor Island, and the northwest Australia Gondwana continental margin edge. Timor Island is a microcontinent with several distinct tectonic provinces that developed initially by rifting and drifting away from the Australian Plate. A compressive convergence began in the Miocene whereby the continental edge of the large craton collided with the microcontinent, forming a subduction zone under the island. The bulk of Timor Island consists of a complex mélange of Tertiary, Cretaceous, Jurassic, Triassic, Permian, and volcanic features over a basal Gondwana craton. Toward the north, the offshore consists of a Tertiary minibasin facing the Banda Arc Archipelago, with volcanics interspersed onshore with the basal Gondwana pre-Permian. A prominent central overthrust nappe of Jurassic and younger layers makes up the mountains of Timor-Leste, terminating south against an accretionary wedge formed by this ongoing collision of Timor and Australia. The northern coast of the island is part of the Indonesian back arc, whereas the southern littoral onshore plus shallow waters are part of the accretionary prism. Deepwater provinces embrace the Timor Trough and the slope of the Australian continental margin being the most prospective region of Timor-Leste. Overall crust and mantle tectonic structuring of Timor-Leste is interpreted from seismic and potential field data, focusing mostly on its southern offshore geology where hydrocarbon prospectivity has been established with interpretation of regional seismic data and analyses of gravity, magnetic, and earthquake data. Well data tied to seismic provides focal points for stratigraphic correlation. Although all the known producing hydrocarbon reservoirs of the offshore are Jurassic sands, interpretation of Permian and Triassic stratigraphy provides knowledge for future prospect drilling risk assessment, both onshore and offshore.
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Bendall, Malcolm, Clive Burrett, Paul Heath, Andrew Stacey, and Enzo Zappaterra. "Seeing through the dolerite-seismic imaging of petroleum systems, Tasmania, Australia." APPEA Journal 55, no. 1 (2015): 297. http://dx.doi.org/10.1071/aj14024.

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Prior to the onshore work of Empire Energy Corporation International (Empire) it was widely believed that the widespread sheets (>650 m thick) of Jurassic dolerite (diabase) would not only have destroyed the many potential petroleum source and reservoir rocks in the basin but would also absorb seismic energy and would be impossible to drill. By using innovative acquisition parameters, however, major and minor structures and formations can be identified on the 1,149 km of 2D Vibroseis. Four Vibroseis trucks were used with a frequency range of 6–140 Hz with full frequency sweeps close together, thereby achieving maximum input and return signal. Potential reservoir and source rocks may be seismically mapped within the Gondwanan Petroleum System (GPS) of the Carboniferous to Triassic Parmeener Supergroup in the Tasmania Basin. Evidence for a working GPS is from a seep of migrated, Tasmanite-sourced, heavy crude oil in fractured dolerite and an oil-bearing breached reservoir in Permian siliciclastics. Empire’s wells show that each dolerite sheet consists of several intrusive units and that contact metamorphism is usually restricted to within 70 m of the sheets’ lower margins. In places, there are two thick sheets, as on Bruny Island. One near-continuous 6,500 km2 sheet is mapped seismically across central Tasmania and is expected, along with widespread Permian mudstones, to have acted as an excellent regional seal. The highly irregular pre-Parmeener unconformity can be mapped across Tasmania and large anticlines (Bellevue and Thunderbolt prospects and Derwent Bridge Anticline) and probable reefs can be seismically mapped beneath this unconformity within the Ordovician Larapintine Petroleum System. Two independent calculations of mean undiscovered potential (or prospective) resources in structures defined so far by Empire’s seismic surveys are 596.9 MMBOE (millions of barrels of oil equivalent) and 668.8 MMBOE.
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Ambrose, G. J., P. D. Kruse, and P. E. Putnam. "GEOLOGY AND HYDROCARBON POTENTIAL OF THE SOUTHERN GEORGINA BASIN, AUSTRALIA." APPEA Journal 41, no. 1 (2001): 139. http://dx.doi.org/10.1071/aj00007.

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The Georgina Basin is an intracratonic basin on the central-northern Australian craton. Its southern portion includes a highly prospective Middle Cambrian petroleum system which remains largely unexplored. A plethora of stratigraphic names plagued previous exploration but the lithostratigraphy has now been rationalised using previously unpublished electric-log correlations and seismic and core data.Neoproterozoic and Lower Palaeozoic sedimentary rocks of the southern portion of the basin cover an area of 100,000 km2 and thicken into two main depocentres, the Toko and Dulcie Synclines. In and between these depocentres, a Middle Cambrian carbonate succession comprising Thorntonia Limestone and Arthur Creek Formation provides a prospective reservoir-source/seal couplet extending over 80,000 km2. The lower Arthur Creek Formation includes world class microbial source rocks recording total organic carbon (TOC) values of up to 16% and hydrocarbon yields up to 50 kg/tonne. This blanket source/seal unconformably overlies sheetlike, platform dolostone of the Thorntonia Limestone which provides the prime target reservoir. Intra- Arthur Creek high-permeability grainstone shoals are important secondary targets.In the Toko Syncline, Middle Cambrian source rocks entered the oil window during the Ordovician, corresponding to major sediment loading at this time. The gas window was reached prior to structuring associated with the Middle Devonian-Early Carboniferous Alice Springs Orogeny, and source rocks today lie in the dry gas window. In contrast, high-temperature basement granites have resulted in overmaturity of the Arthur Creek Formation in the Dulcie Syncline area. On platform areas adjacent to both these depocentres source rocks reached peak oil generation shortly after the Alice Springs Orogeny; numerous structural leads have been identified in these areas. In addition, an important stratigraphic play occurs in the Late Cambrian Arrinthrunga Formation (Hagen Member) on the southwestern margin of the basin. Key elements of the play are the pinchout of porous oil-stained, vuggy dolostone onto basement where top seal is provided by massive anhydrite while underlying Arthur Creek Formation shale provides a potential source.
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Frery, Emanuelle, Conor Byrne, Russell Crosbie, Alec Deslandes, Tim Evans, Christoph Gerber, Cameron Huddlestone-Holmes, et al. "Fault-Related Fluid Flow Implications for Unconventional Hydrocarbon Development, Beetaloo Sub-Basin (Northern Territory, Australia)." Geosciences 12, no. 1 (January 12, 2022): 37. http://dx.doi.org/10.3390/geosciences12010037.

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This study assesses potential geological connections between the unconventional petroleum plays in the Beetaloo Sub-basin, regional aquifers in overlying basins, and the near surface water assets in the Beetaloo Sub-basin Northern Territory, Australia. To do so, we built an innovative multi-disciplinary toolbox including multi-physics and multi-depth imaging of the geological formations, as well as the study of potentially active tectonic surface features, which we combined with measurement of the helium content in water sampled in the aquifer systems and a comparative analysis of the surface drainage network and fault lineaments orientation. Structures, as well as potential natural active and paleo-fluid or gas leakage pathways, were imaged with a reprocessing and interpretation of existing and newly acquired Beetaloo seismic reflection 2D profiles and magnetic datasets to determine potential connections and paleo-leakages. North to north-northwest trending strike slip faults, which have been reactivated in recent geological history, are controlling the deposition at the edges of the Beetaloo Sub-basin. There are two spring complexes associated with this system, the Hot Spring Valley at the northern edge of the eastern Beetaloo Sub-basin and the Mataranka Springs 10 km north of the western sub-basin. Significant rectangular stream diversions in the Hot Spring Valley also indicates current or recently active tectonics. This suggests that those deep-rooted fault systems are likely to locally connect the shallow unconfined aquifer with a deeper gas or fluid source component, possibly without connection with the Beetaloo unconventional prospective plays. However, the origin and flux of this deeper source is unknown and needs to be further investigated to assess if deep circulation is happening through the identified stratigraphic connections. Few north-west trending post-Cambrian fault segments have been interpreted in prospective zones for dry gas plays of the Velkerri Formation. The segments located in the northern part of the eastern Beetaloo Sub-basin do not show any evidence of modern leakages. The segments located around Elliot, in the south of the eastern Beetaloo Sub-basin, as well as low-quality seismic imaging of potential faults in the central part of the western sub-basin, could have been recently reactivated. They could act as open pathways of fluid and gas leakage, sourced from the unconventional plays, deeper formations of the Beetaloo Sub-basin or even much deeper origin, excluding the mantle on the basis of low 3He/4He ratios. In those areas, the data are sparse and of poor quality; further field work is necessary to assess whether such pathways are currently active.
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Townson, W. G. "THE SUBSURFACE GEOLOGY OF THE WESTERN OFFICER BASIN — RESULTS OF SHELL'S 1980-1984 PETROLEUM EXPLORATION CAMPAIGN." APPEA Journal 25, no. 1 (1985): 34. http://dx.doi.org/10.1071/aj84003.

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The Officer Basin described in this paper includes four Proterozoic to Lower Palaeozoic sub-basins (Gibson, Yowalga, Lennis, Waigen) which extend in a northwest to southeast belt across 200 000 sq. km of central Western Australia. These sub-basins are bounded by Archaean to Proterozoic basement blocks and are almost entirely concealed by a veneer of Permian and Cretaceous sediments. Depth to magnetic basement locally exceeds eight kilometres.Until recently, information on the sub-surface geology was limited to shallow levels, based on the results of a petroleum exploration campaign in the 1960s and the work of State and Federal Geological Surveys. In 1980, the Shell Company of Australia was awarded three permits (46 200 sq. km) covering the Yowalga and Lennis Sub-basins. The results of 4700 km of seismic data and three deep wildcat wells, combined with gravity, aeromagnetic, Landsat, outcrop and corehole information, has led to a better understanding of the regional subsurface geology.The Lennis Sub-basin appears to contain Lower to Middle Proterozoic sediments, whereas the Yowalga Sub- basin is primarily an Upper Proterozoic to Lower Cambrian sequence which comprises a basal clastic section, a middle carbonate and evaporite sequence and an upper clastic section. Widespread Middle Cambrian basalts cap the Upper Proterozoic to Lower Cambrian prospective sequence. Late Proterozoic uplift resulted in salt- assisted gravity tectonics leading to complex structural styles, especially in the basin axis.Despite oil shows, organic matter in the oil and gas generation windows and reservoir-quality sandstones with interbedded shales, no convincing source rocks or hydrocarbon accumulations have yet been located. The area remains, however, one of the least explored basins in Australia.
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Wright, C., B. R. Goleby, C. D. N. Collins, R. J. Korsch, T. Barton, S. A. Greenhalgh, and S. Sugiharto. "Deep Seismic profiling in central Australia." Tectonophysics 173, no. 1-4 (February 1990): 247–56. http://dx.doi.org/10.1016/0040-1951(90)90221-s.

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Hopkins, Roy M. "THE CENTRAL AUSTRALIAN BASINS." APPEA Journal 29, no. 1 (1989): 347. http://dx.doi.org/10.1071/aj88030.

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The Amadeus and Ngalia Basins are two of several intracratonic basins situated in the central region of the Australian Continent and underlain by Upper Proterozoic and Lower Palaeozoic sedimentary rocks.In the Amadeus Basin, the preserved sedimentary section has been deformed by several orogenic events through geological history, with salt tectonics playing an important role in the structural evolution. The Ordovician System is the primary exploration objective. The Cambrian and Proterozoic sequences, which also carry rock strata having source, reservoir and sealing properties, are secondary targets. However, these latter units are sparsely explored, and only limited information is available on their petroleum prospectiveness. Three of the four petroleum accumulations found to date are in Ordovician sandstones, with the fourth accumulation contained in Cambrian sandstones.The initial drilling phase in the Amadeus Basin in the early 1960s was concentrated on geologically defined surface antic :nes, with seismic surveying becoming the principal technique employed in subsequent exploration phases. The ongoing work has demonstrated a major untested structural play associated with a regional thrust fault system — in particular, combination dip and fault closures developed on the underthrust blocks. Stratigraphic prospects also are present in the Amadeus Basin, but none of these yet has been drilled.The Ngalia Basin is similar stratigraphically and structurally to the Amadeus Basin and is considered prospective for oil and gas. Much less work has been done in the Ngalia than in the Amadeus, with only one well drilled in the entire basin. The well yielded a gas snow from a Proterozoic formation, and other direct hydrocarbon indications have been recorded elsewhere in the basin. Rock units having source, reservoir and sealing parameters are present, as are structures capable of forming traps. Again, these are associated largely with a complex regional thrust fault system.
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Liang, Shasha, and Brian L. N. Kennett. "Passive seismic imaging of a craton edge – Central Australia." Tectonophysics 797 (December 2020): 228662. http://dx.doi.org/10.1016/j.tecto.2020.228662.

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Smith, Nicholas R. A., Anya M. Reading, Michael W. Asten, and Charles W. Funk. "Depth to basement and seismic velocity structure from passive seismic soundings in central Australia." ASEG Extended Abstracts 2013, no. 1 (December 2013): 1–4. http://dx.doi.org/10.1071/aseg2013ab234.

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Wright, C., B. R. Goleby, C. D. N. Collins, B. L. N. Kennett, S. Sugiharto, and S. Greenhalgh. "Some Preliminary Results from Regional Seismic Profiling in Central Australia." Exploration Geophysics 18, no. 1-2 (March 1, 1987): 227–31. http://dx.doi.org/10.1071/eg987227.

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Dissertations / Theses on the topic "Seismic prospecting Australia, Central"

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Dunne, Jarrod Craig. "Subcoal seismic exploration in the Gippsland Basin (Australia) /." Connect to thesis, 1996. http://eprints.unimelb.edu.au/archive/00000702.

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Carroll, Paul Geoffery. "Pre-Permian structure and prospectivity at Gidgealpa, South Australia /." Title page, contents and abstract only, 1990. http://web4.library.adelaide.edu.au/theses/09SM/09smc3195.pdf.

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Thesis (M. Sc.)--University of Adelaide, National Centre of Petroleum Geology & Geophysics, 1992.
Vol. 2 consists of 30 col. & folded maps & charts. Includes five overlays in vol. 1. Includes bibliographical references (leaves 152-162).
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Esttaifan, Jamal Ohan Isteevan. "Methods to analyse and interpret shallow seismic data: onshore central Perth basin, Western Australia." Thesis, Curtin University, 2015. http://hdl.handle.net/20.500.11937/838.

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The main aim of the research was to develop a methodology for inferring complex sub-surface shallow structures from seismic data that are of a high relevance to hydrological studies in Perth Basin. A set of realistic 2D and 3D numerical modelling experiments were conducted that show that in the best case it is possible to interpret complex geological structure from 3D seismic data.
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Kelly, Robyn K. "Subduction dynamics at the middle America trench : new constraints from swath bathymetry, multichannel seismic data, and ¹⁰Be." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/59656.

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Thesis (Ph. D.)--Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, and the Woods Hole Oceanographic Institution), September 2003.
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The cosmogenic radionuclide ¹⁰Be is a unique tracer of shallow sediment subduction in volcanic arcs. The range in ¹⁰Be enrichment in the Central American Volcanic Arc between Guatemala and Costa Rica is not controlled by variations in ¹⁰Be concentrations in subducting sediment seaward of the Middle America Trench. Sedimentary ¹⁰Be is correlated negatively with ¹⁴³ND/¹⁴⁴Nd, illustrating that ¹⁰Be concentrations varied both between and within cores due to mixing between terrigenous clay and volcanic ash endmember components. This mixing behavior was determined to be a function of grain size controls on ¹⁰Be concentrations. A negative correlation of bulk sedimentary ¹⁰Be concentrations with median grain size and a positive correlation with the proportion of the sediment grains that were <32 [mu]m in diameter demonstrated that high concentrations of ¹⁰Be in fine-grained, terrigenous sediments were diluted by larger grained volcanogenic material. The sharp decrease in ¹⁰Be enrichment in the Central American Volcanic Arc between southeastern Nicaragua and northwestern Costa Rica correlates with changes in fault structure in the subducting Cocos plate. Offshore of Nicaragua, extensional faults associated with plate bending have throw equal to or greater than the overlying subducting sediment thickness. These faults enable efficient subduction of the entire sediment package by preventing relocation of the d6collement within the downgoing sediments.
(cont.) Offshore of Costa Rica, the reduction of fault relief results in basement faults that do not penetrate the overlying sediment. A conceptual model is proposed in which the absence of significant basement roughness allows the d6collement to descend into the subducting sediment column, leading to subsequent underplating and therefore removal of the bulk of the sediment layer that contains ¹⁰Be. Basement fault relief was linearly related to plate curvature and trench depth. The systematic shoaling of the plate from southeastern Nicaragua to northwestern Costa Rica is not explained by changes in plate age for this region. Instead, it is hypothesized that the flexural shape of the plate offshore of southeastern Nicaragua and northwestern Costa Rica represents a lateral response to a buoyant load caused by the thick crust and elevated thermal regime in the Cocos plate offshore of southeastern Costa Rica.
by Robyn K. Kelly.
Ph.D.
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Fernández, Viejo Gabriela. "Estructura cortical de la Cordillera Cantábrica y su transición a la Cuenca del Duero a partir de datos de sísmica de refracción/reflexión de gran ángulo." Doctoral thesis, Universitat de Barcelona, 1997. http://hdl.handle.net/10803/667081.

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El trabajo está basado en el análisis e interpretación de datos sísmicos de refracción y reflexión de gran ángulo en la zona norte de la Península Ibérica, en particular, en la Cordillera Cantábrica y zonas adyacentes. Se analizan datos procedentes de varios perfiles terrestres que atraviesan las zonas más características del Macizo Ibérico Norte y se obtienen los modelos de velocidad de ondas P para los diferentes niveles de la corteza. También se estudian datos procedentes de varios perfiles marinos que muestrean la transición tierra-mar. Los resultados más importantes atañen a la estructura profunda de la corteza, encontrándose un fuerte engrosamiento de la misma en la zona NE de la cordillera, bajo los macizos montañosos de los Picos de Europa, consecuencia de los procesos de convergencia y deformación ligados a la orogenia alpina. Asímismo se observan fuertes variaciones laterales de la estructura cortical en el modo de transición hacia el dominio oceánico del Golfo de Vizcaya, desde las zonas orientales del margen noribérico a las occidentales que se han contrastado con un análisis gravimétrico.
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Carroll, Paul Geoffrey. "Pre-Permian structure and prospectivity at Gidgealpa, South Australia." Thesis, 1990. http://hdl.handle.net/2440/112765.

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Goleby, Bruce Ronald. "The crustal structure of the Arunta Block, Central Australia : results from deep seismic reflection profiling." Phd thesis, 1990. http://hdl.handle.net/1885/140376.

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Books on the topic "Seismic prospecting Australia, Central"

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1953-, Mory A. J., Blundell K. A. 1966-, and Geological Survey of Western Australia., eds. The geophysical interpretation of the Woodleigh impact structure, Southern Carnarvon Basin, Western Australia. Perth, W.A: Geological Survey of Western Australia, 2001.

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Collins, C. D. N. Seismic velocities in the crust and upper mantle of Australia. Canberra: Australian Govt. Pub. Service, 1988.

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Exon, N. F. Rig seismic research cruise 3: Offshore Otway Basin, southeastern Australia. Canberra: Australian Govt. Pub. Service, 1987.

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Brocher, Thomas M. Onshore-offshore wide-angle seismic recordings from central Oregon: The five-day recorder data. Menlo Park, Calif: U.S. Dept. of the Interior, U.S. Geological Survey, 1993.

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Workshop on Interpretation of Seismic Wave Propagation in Laterally Heterogeneous Terranes (1985 Susono-shi, Japan). Interpretations of the SJ-6 seismic reflection/refraction profile, south central California, USA: Proceedings of the 1985 Workshop on Interpretation of Seismic Wave Propagation in Laterally Heterogeneous Terranes, Susono, Shizouka, Japan, August 15-18, 1985. Edited by Walter A. W and International Association of Seismology and Physics of the Earth's Interior. Commission on Controlled Source Seismology. Menlo Park, CA: U.S. Geological Survey, 1987.

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M, Finlayson D., ed. Geophysical abstracts and seismic profiles from the central Eromanga Basin region, eastern Australia. Canberra: Australian Govt. Pub. Service, 1987.

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John, Backhouse, and Geological Survey of Western Australia., eds. Geology and petroleum exploration of the central and southern Perth Basin, Western Australia. Perth: Geological Survey of Western Australia, 2000.

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Colwell, James B. Rig seismic research cruise 13: Structure and stratigraphy of the northeast Gippsland Basin and southern New South Wales margin : initial report. Canberra: Australian Govt. Pub. Service, 1987.

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Colwell, James B. Rig seismic research cruise 13: Structure and stratigraphy of the northeast Gippsland Basin and southern New South Wales margin : initial report. Canberra: Australian Government Publishing Service, 1987.

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Finetti, I. R. CROP Project: Deep Seismic Exploration of the Central Mediterranean and Italy. Elsevier Science & Technology Books, 2005.

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Book chapters on the topic "Seismic prospecting Australia, Central"

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McKavanagh, Byron, Bruce Boreham, Kevin McCue, Gary Gibson, Jennifer Hafner, and George Klenowski. "The CQU Regional Seismic Network and Applications to Underground Mining in Central Queensland, Australia." In Induced Seismicity, 39–57. Basel: Birkhäuser Basel, 1995. http://dx.doi.org/10.1007/978-3-0348-9238-4_4.

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Shaw, R. D., B. R. Goleby, R. J. Korsch, and C. Wright. "Basement and Cover Thrust Tectonics in Central Australia Based on the Arunta-Amadeus Seismic-Reflection Profile." In Basement Tectonics 9, 55–84. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2654-0_4.

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Farrugia, Daniela, Pauline Galea, and Sebastiano D’Amico. "Assessing Seismic Site Response at Areas Characterized by a Thick Buried Low-Velocity Layer." In Earthquakes - From Tectonics to Buildings. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95277.

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Earthquake ground motion is dependent on various factors, including local ground conditions. Whilst many studies have characterized the effect of having outcropping “soft” geological layers which have the ability to amplify ground motion, there is minimal literature on the effect of having such layers embedded between two harder layers. This situation creates a seismic wave velocity inversion. The Maltese islands (Central Mediterranean) present a good opportunity for the study of velocity inversion as almost half of the islands are characterized by a thick buried layer of clay. The results presented in this chapter are a combination of studies which have been conducted on the Maltese islands, using non-invasive geophysical prospecting techniques in areas characterized by a thick buried low-velocity layer, to characterize the response of earthquake ground shaking in such geological situations.
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Conference papers on the topic "Seismic prospecting Australia, Central"

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McAlpine, Sarlae. "Trusted Environmental and Geological Information." In PESA Symposium Qld 2022. PESA, 2022. http://dx.doi.org/10.36404/adeg3062.

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Two new programs at Geoscience Australia are providing trusted, high-quality science to support decision making and the Australian resources industry. The Trusted Environmental and Geological Information program will provide baseline precompetitive data in the Cooper, Adavale, north Bowen and Galilee basin regions. A repository of information is being developed in collaboration with CSIRO, including new geological and environmental assessments, to accelerate development in the sectors of petroleum, mineral, hydrogen and carbon capture and storage, while simultaneously providing opportunities to understand the potential hazards, risk and impacts of these resources being developed. The Data Driven Discoveries program is combining new and old data to better understand the underexplored Adavale Basin in central-western Queensland. The program will undertake chemical composition analyses to support the correlation of geological layers, collate and reprocess historical seismic data, acquire new seismic reflection data, and undertake stratigraphic research drilling to provide a more detailed understanding of basin architecture and the resource potential of the Adavale Basin. An overview of the Trusted Environmental and Geological Information and Data Driven Discoveries programs, initial results, and planned acquisition, will show how these complementary programs will contribute to streamlined regulation and approval processes, the low emissions agenda, and responsible resource development in key basins regions across Australia.
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