Relevant bibliographies by topics / Geodynamics South Australia Gawler Ranges

Academic literature on the topic 'Geodynamics South Australia Gawler Ranges'

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Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Geodynamics South Australia Gawler Ranges"

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Campbell, E. M., and C. R. Twidale. "The gawler ranges, South Australia: an unusual volcanic massif." Australian Geographer 22, no. 1 (May 1991): 24–33. http://dx.doi.org/10.1080/00049189108703018.

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TIMMS, BRIAN V., and PETER HUDSON. "The brine shrimps (Artemia and Parartemia) of South Australia, including descriptions of four new species of Parartemia (Crustacea: Anostraca: Artemiina)." Zootaxa 2248, no. 1 (October 6, 2009): 47–68. http://dx.doi.org/10.11646/zootaxa.2248.1.2.

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The Australian endemic brine shrimp Parartemia is more speciose than the literature suggests, with eight described species, four new ones added here from South Australia and many undescribed species elsewhere in Australia. P. acidiphila n. sp. occurs in acidic salinas on Eyre Peninsula, in the Gawler Ranges in South Australia and also in the Esperance hinterland, Western Australia, while P. auriciforma n. sp., P. triquetra n. sp. and P. yarleensis n. sp. occur in remote episodic salinas in western South Australia. Introduced Artemia franciscana and A. parthenogenetica are limited to present and defunct salt works; reports of Artemia beyond salt works in South Australia are enigmatic.
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Greenslade, PJM. "Environment and Competition as Determinants of Local Geographical-Distribution of 5 Meat Ants, Iridomyrmex-Purpureus and Allied Species (Hymenoptera, Formicidae)." Australian Journal of Zoology 35, no. 3 (1987): 259. http://dx.doi.org/10.1071/zo9870259.

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The distributions of five species of meat ants [Iridomyrmex purpureus S.S. (P), 'yellow species' (Y), viridiaeneus (V), 'small purple species' (SP), 'blue species' (B)] were investigated in the Gawler Ranges and Eyre Peninsula of South Australia, in relation to climate, soils and vegetation. P occurred mainly in two areas of relatively high total and/or summer rainfall that were predicted a priori, and Y was limited to sandy alkaline yellow duplex soils. V, SP and B are all found in the arid Gawler Ranges and, in this order, form a sequence of increasing penetration into areas of higher rainfall on Eyre Peninsula. It is proposed that a north-to-south gradient of increasing rainfall is accompanied by a gradient of increasing diversity (species richness) of local ant faunas. By analogy with the distribution of meat ant species across habitats differing in the diversity of their ant faunas in the Gawler Ranges, it is suggested that southern limits to the ranges of V and SP are determined by intensification of diffuse competition from increasingly diverse ant communities. Within their ranges, however, the relative frequencies of SP and B depend on simple asymmetrical competition between meat ant species. Diffuse competition at the periphery of a species' range is discussed briefly as selective pressure towards evolutionary change or stasis.
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Twidale, Charles Rowland. "Evolution of an ancient cratonic upland, the Gawler Ranges of inland South Australia." Géomorphologie : relief, processus, environnement 26, no. 1 (May 1, 2020): 35–54. http://dx.doi.org/10.4000/geomorphologie.14036.

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Swinbourne, Michael, David Taggart, Alyce Swinbourne, and Bertram Ostendorf. "Southern hairy-nosed wombats (Lasiorhinus latifrons) in the Gawler Ranges region of South Australia: population growth from 1988 to 2016." Australian Mammalogy 41, no. 1 (2019): 112. http://dx.doi.org/10.1071/am17051.

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The southern hairy-nosed wombat (Lasiorhinus latifrons) is the faunal emblem of South Australia. It is also considered to be an agricultural pest, as its burrowing activities can cause significant damage to agricultural land and infrastructure. Unfortunately, much of our knowledge of this species’ population dynamics is limited and/or out of date. The aim of this study was to estimate the distribution and abundance of southern hairy-nosed wombats in the Gawler Ranges region of South Australia, and to identify any changes since the last survey in 1988. Using a combination of satellite imagery and a ground survey conducted in May 2016, we mapped the distribution of wombat warrens in the region and counted and measured all warrens within 1000 randomly selected 1-km2 cells. We estimate the current wombat population in the Gawler Ranges to be 240095 (149051–311595), an increase from 14373 in 1988. This population growth is most likely linked to a long-term decline in the European rabbit population following the release of RHVD in the 1990s. In 2016 the IUCN upgraded the conservation status of southern hairy-nosed wombats from ‘Least Concern’ to ‘Near Threatened’. Our findings suggest that this may not have been warranted.
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Baldwin, S. L., I. McDougall, and G. E. Williams. "K/Ar and40Ar/39Ar analyses of meltrock from the Acraman impact structure, Gawler Ranges, South Australia." Australian Journal of Earth Sciences 38, no. 3 (July 1991): 291–98. http://dx.doi.org/10.1080/08120099108727973.

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Pankhurst, M. J., B. F. Schaefer, P. G. Betts, N. Phillips, and M. Hand. "A mesoproterozoic continental flood rhyolite province, the Gawler Ranges, Australia: the end member example of the Large Igneous Province clan." Solid Earth Discussions 2, no. 2 (September 9, 2010): 251–74. http://dx.doi.org/10.5194/sed-2-251-2010.

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Abstract. Rhyolite and dacite lavas of the Mesoproterozoic upper Gawler Range Volcanics (GRV) (>30 000 km3 preserved), South Australia, represent the remnants of one of the most voluminous felsic magmatic events preserved on Earth. Geophysical interpretation suggests eruption from a central cluster of feeder vents which supplied large-scale lobate flows >100 km in length. Pigeonite inversion thermometers indicate eruption temperatures of 950–1100 °C. The lavas are A-type in composition (e.g. high Ga/Al ratios) and characterised by elevated primary halogen concentrations (~1600 ppm Fluorine, ~400 ppm Chlorine). These depolymerised the magma such that temperature-composition-volatile non-Arrhenian melt viscosity modelling suggests they had viscosities of <3.5 log η (Pa s). These physicochemical properties have led to the emplacement of a Large Rhyolite Province, which has affinities in emplacement style to Large Basaltic Provinces. The low viscosity of these felsic magmas has produced a unique igneous system on a scale which is either not present or poorly preserved elsewhere on the planet. The Gawler Range Volcanic Province represents the erupted portion of the felsic end member of the family of voluminous, rapidly emplaced terrestrial magmatic provinces.
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Pankhurst, M. J., B. F. Schaefer, P. G. Betts, N. Phillips, and M. Hand. "A Mesoproterozoic continental flood rhyolite province, the Gawler Ranges, Australia: the end member example of the Large Igneous Province clan." Solid Earth 2, no. 1 (March 31, 2011): 25–33. http://dx.doi.org/10.5194/se-2-25-2011.

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Abstract. Rhyolite and dacite lavas of the Mesoproterozoic upper Gawler Range Volcanics (GRV) (>30 000 km3 preserved), South Australia, represent the remnants of one of the most voluminous felsic magmatic events preserved on Earth. Geophysical interpretation suggests eruption from a central cluster of feeder vents which supplied large-scale lobate flows >100 km in length. Pigeonite inversion thermometers indicate eruption temperatures of 950–1100 °C. The lavas are A-type in composition (e.g. high Ga/Al ratios) and characterised by elevated primary halogen concentrations (~1600 ppm fluorine, ~400 ppm chlorine). These depolymerised the magma such that temperature-composition-volatile non-Arrhenian melt viscosity modelling suggests they had viscosities of <3.5 log η (Pa s). These physicochemical properties have led to the emplacement of a Large Rhyolite Province, which has affinities in emplacement style to Large Basaltic Provinces. The low viscosity of these felsic magmas has produced a unique igneous system on a scale which is either not present or poorly preserved elsewhere on the planet. The Gawler Range Volcanic Province represents the erupted portion of the felsic end member of the family of voluminous, rapidly emplaced terrestrial magmatic provinces.
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Caruso, A. S., K. D. Clarke, C. J. Tiddy, and M. M. Lewis. "Airborne hyperspectral characterisation of hydrothermal alteration in a regolith-dominated terrain, southern Gawler Ranges, South Australia." Australian Journal of Earth Sciences, October 18, 2020, 1–19. http://dx.doi.org/10.1080/08120099.2020.1826122.

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Smith, Deane A., Mark R. Lethbridge, Benjamin L. Allen, and Rose L. Andrew. "Inferring inter-colony movement within metapopulations of yellow-footed rock-wallabies using estimates of kinship." Conservation Genetics, January 27, 2023. http://dx.doi.org/10.1007/s10592-022-01498-8.

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AbstractUnderstanding the exchange of individuals between wildlife populations, particularly those with naturally fragmented habitats, is important for the effective management of these species. This is of particular consequence when the species is of conservation concern, and isolated populations may be lost due to pressures from predation or competition, or catastrophic events such as wildfire. Here we demonstrate the use kinship and population structure analysis to show potential recent movement between colonies in metapopulations of yellow-footed rock-wallaby (Petrogale xanthopus Gray 1854) at two sites in the Grey Range of Queensland, and at four sites in the Gawler Ranges of South Australia. These colonies are also compared to a single colony from the Flinders Ranges, a connected landscape of rock-wallaby habitat. Using reduced representation next-generation sequencing, we acquired and filtered a set of ~ 17,000 single-nucleotide polymorphisms to examine population genetic variation, structure and relationships within populations, and also identify putative migrants. Initial STRUCTURE analysis re-confirmed each population should be considered separately. Tests of population genetic variation identify several colonies appearing to be experiencing genetic erosion, also with low calculated effective population sizes (Ne = 4.5–36.6). Pairwise comparisons of individual relatedness (relatedness coeffiecients; r) implied several contemporary movement events between colonies within both the Gawler and Grey Ranges (r > 0.125), which was then affirmed with tests for putative first generation migrants. These results are of particular note in South Australia, where threat abatement (management of key predators and competitors) may facilitate dispersion. Additionally, in Queensland, colonies are separated by anthropogenic barriers: predator exclusion fencing designed to exclude dingoes (Canis familiaris) from grazing land, which may hinder dispersal. This work highlights the usefulness of population genetics to inform management outcomes in wildlife, in this case, highlighting the need for threatened species management at the landscape level.
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Dissertations / Theses on the topic "Geodynamics South Australia Gawler Ranges"

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Stewart, Kathryn. "High temperature felsic volcanism and the role of mantle magmas in proterozoic crustal growth : the Gawler Range volcanic province /." Title page, contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phs8488.pdf.

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Neumann, Narelle L. (Narelle Louise). "Geochemical and isotopic characteristics of South Australian Proterozoic granites : implications for the origin and evolution of high heat-producing terrains / Narelle Neumann." 2001. http://hdl.handle.net/2440/19892.

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Includes copies of articles co-authored by the author during the preparation of this thesis.
Addendum attached to back cover.
Bibliography: leaves 125-135.
x, 135 leaves [98] : ill. (some col.), maps ; 30 cm.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Focuses on the use of geophysical, geochemical and isotopic data in order to identify the timing and processes of crustal heat-producing element enrichment within South Australia.
Thesis (Ph.D.)--Adelaide University, Dept. of Geology and Geophysics, 2001
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Neumann, Narelle L. (Narelle Louise). "Geochemical and isotopic characteristics of South Australian Proterozoic granites : implications for the origin and evolution of high heat-producing terrains / Narelle Neumann." Thesis, 2001. http://hdl.handle.net/2440/19892.

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Includes copies of articles co-authored by the author during the preparation of this thesis.
Addendum attached to back cover.
Bibliography: leaves 125-135.
x, 135 leaves [98] : ill. (some col.), maps ; 30 cm.
Focuses on the use of geophysical, geochemical and isotopic data in order to identify the timing and processes of crustal heat-producing element enrichment within South Australia.
Thesis (Ph.D.)--Adelaide University, Dept. of Geology and Geophysics, 2001
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Teasdale, Jonathan 1971. "Methods for understanding poorly exposed terranes : the interpretive geology and tectonothermal evolution of the western Gawler Craton / Jonathan Teasdale." 1997. http://hdl.handle.net/2440/19235.

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Two folded coloured maps and 2 coloured overlays in back cover pocket.
Bibliography: p. 183-142.
x, 182 p. : ill. (some col.), maps (some col.) ; 30 cm.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Thesis (Ph.D.)--University of Adelaide, Dept. of Geology, 1998?
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Teasdale, Jonathan 1971. "Methods for understanding poorly exposed terranes : the interpretive geology and tectonothermal evolution of the western Gawler Craton / Jonathan Teasdale." Thesis, 1997. http://hdl.handle.net/2440/19235.

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Two folded coloured maps and 2 coloured overlays in back cover pocket.
Bibliography: p. 183-142.
x, 182 p. : ill. (some col.), maps (some col.) ; 30 cm.
Thesis (Ph.D.)--University of Adelaide, Dept. of Geology, 1998.
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Campbell, Elizabeth M. (Elizabeth Mary). "Structure and surface in the Gawler Ranges, South Australia / by Elizabeth M. Campbell." 1990. http://hdl.handle.net/2440/19086.

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Processed.
Bibliography: leaves 92-105 (1st sequence)
xix, 105, c. 100 leaves : ill. (some col.), maps (some folded) ; 30 cm. + 1 map : col. ; 100 cm. x 74 cm. folded to 25 x 19 cm. ; in envelope inside back cover.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Thesis (Ph.D.)--Dept. of Geography and the Dept. of Geology and Geophysics, University of Adelaide, 1991
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Robertson, B. D. "The geology, petrology and geochemistry of the volcanics in the Kokatha Region, Gawler Ranges, South Australia." Thesis, 1989. http://hdl.handle.net/2440/128628.

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This item is only available electronically.
Volcanics in the Kokatha region present a wider range of rock types than in other areas of the Gawler Ranges. High temperature Mg rich basalt flows through to rhyolite ignimbrites and air fall tuffs outcrop. Two magmatic cycles are observed with a cycle consisting of initial basalts, followed by voluminous dacites and rhyodacites. The final phase of the cycle following the rhydacites represents a period of more explosive activity resulting in the deposition of rhyolitic ignimbrites, air fall tuffs rhyolitic flows and pyroclastics. Geochemical data indicate both fractionation and mixing of fractionated components were active igneous processes resulting in the formation of layered magma chambers. The layering of the magma chambers being well illustrated in the stratigraphy of the volcanic pile. Further evidence for cyclic fractionation trends exists, with a relative depletion of incompatible elements in the second cycle when compared to the first cycle. Discrimination diagrams plot the rocks from Kokatha in the calc-alkaline field. Calc-alkaline series usually indicate subduction processes however volcanism at Kokatha is intracratonic. Rb-Sr data give an isochron age of 1588.4 ± 14 Ma suggesting the rocks from Kokatha are a part of the lower sequence of the Gawler Range Volcanics. Samples from both cycles produce the isochron indicating a melt from a homogeneous source. Neodymium data suggest a basaltic input from the mantle assimilating with lower crust is a likely source. A possible tectonic model for volcanism is presented. Initially a flux of mantle-derived basalt enters the lower crust. This provides heat for large scale melting. Assimilation of lower crustal melts and mantle-derived basalts may or may not occur however a homogeneous source is formed. Diapirism resulting in upper crustal magma chambers allows the formation of a layered magma chamber. Eruption of the magma results in the stratigraphic sequence of volcanic rock units.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 1989
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Stewart, Kathryn. "High temperature felsic volcanism and the role of mantle magmas in proterozoic crustal growth : the Gawler Range volcanic province / by Kathryn P. Stewart." Thesis, 1992. http://hdl.handle.net/2440/21477.

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Includes one folded map in pocket in back cover.
Includes bibliographical references.
iv, 214, [46] leaves, [10] leaves of plates : ill. (some col.), col. maps ; 30 cm.
Thesis (Ph.D.)--University of Adelaide, Dept. of Geology and Geophysics, 1994
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Thiel, Stephan. "Modelling and inversion of magnetotelluric data for 2-D and 3-D lithospheric structure, with application to obducted and subducted terranes." 2008. http://hdl.handle.net/2440/48492.

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The thesis presents the application of the magnetotelluric (MT) sounding method to image Earth’s crust in Oman and South Australia. The aim of these MT surveys is to provide constraints on the geological interpretation of emplacement scenarios and the tectonic evolution of the geological domain. The thesis concentrates on the methodological aspects of the MT technique, e.g. the data analysis and modelling of electromagnetic fields. The phase tensor approach by Caldwell et al. (2004) is applied to the data and provides insights into the dimensionality of the MT data in even complex and electrically distorted terranes. Modelling and inversion of the MT data is performed with various 2-D and 3-D codes to show how the interpretation of the data can benefit from multiple modelling approaches. Data collected in a 2-D survey across the Oman ophiolite mountains show complex behaviour and 2-D inversion and 3-D forward modelling resolve ambiguities in the emplacement scenario of the Oman ophiolite. It is believed that initial underthrusting of the Jurassic-Cretaceous oceanic lithosphere was followed by exhumation. Further oceanic thrusting subsequently led to rising of lower-plate eclogites and eventually gravitational collapse of the ophiolite onto the margin (Gray et al., 2000). The 3-D inversion code by (Siripunvaraporn et al., 2005a) was expanded to incorporate static shift corrections and inversion model misfits have therefore improved significantly compared to inversion models without static shift correction. 2-D and 3-D surveys across the South Australian Gawler Craton reveal deep crustal conductors which are connected to near surface mineralisation systems of the IOCG Olympic Dam deposit in the north-eastern part of the craton and the Au-dominated central Gawler Craton provinces.
Thesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2008
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Conference papers on the topic "Geodynamics South Australia Gawler Ranges"

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Alexander, Elinor. "Natural hydrogen exploration in South Australia." In PESA Symposium Qld 2022. PESA, 2022. http://dx.doi.org/10.36404/putz2691.

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South Australia has taken the lead nationally in enabling exploration licences for natural hydrogen. On 11 February 2021 the Petroleum and Geothermal Energy Regulations 2013 were amended to declare hydrogen, hydrogen compounds and by-products from hydrogen production regulated substances under the Petroleum and Geothermal Energy Act 2000 (PGE Act). Companies are now able to apply to explore for natural hydrogen via a Petroleum Exploration Licence (PEL) and the transmission of hydrogen or compounds of hydrogen are now permissible under the transmission pipeline licencing provisions of the PGE Act. The maximum area of a PEL is 10,000 square kilometres so they provide a large acreage position for explorers. PEL applicants need to provide evidence of their technical and financial capacity as well as a 5-year work program which could include field sampling, geophysical surveys (e.g., aeromagnetics, gravity, seismic and MT) and exploration drilling to evaluate the prospectivity of the licence for natural hydrogen. Since February 2021, seven companies have lodged 35 applications for petroleum exploration licences (PELs), targeting natural hydrogen. The first of these licences (PEL 687) over Kangaroo Island and southern Yorke Peninsula was granted to Gold Hydrogen Pty Ltd on 22 July 2021. As well as issuing exploration licences, a key role of the South Australian Department for Energy and Mining is to provide easy access to comprehensive geoscientific data submitted by mineral and petroleum explorers and departmental geoscientists since the State was founded in 1836. Access to old 1920s and 1930s reports, together with modern geophysical and well data has underpinned the current interest in hydrogen exploration. Why the interest? 50-80% hydrogen content was measured in 1931 by the Mines Department in gas samples from wells on Kangaroo Island, Yorke Peninsula and the Otway Basin, potential evidence that the natural formation of hydrogen has occurred. Iron-rich cratons and uranium-rich basement (also a target for geothermal energy explorers) occur in the Archaean-Mesoproterozoic Gawler Craton, Curnamona and Musgrave provinces which are in places fractured and seismically active with deep-seated faults. Sedimentary cover ranges from Neoproterozoic-Recent in age, with thick clastic, carbonate and coal measure successions in hydrocarbon prospective basins and, in places, occurrences of mafic intrusives and extrusives, iron stones, salt and anhydrite which could also be potential sources of natural hydrogen.
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