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Статті в журналах з теми "Geochemistry South Australia Gawler Craton"
Brotodewo, Adrienne, Caroline Tiddy, Diana Plavsa, and Adrian Fabris. "Using zircon geochemistry to map alteration in the Gawler Craton, South Australia." ASEG Extended Abstracts 2019, no. 1 (November 11, 2019): 1–4. http://dx.doi.org/10.1080/22020586.2019.12073026.
Повний текст джерелаHoatson, D. M. "Late Archean Lake Harris Komatiite, Central Gawler Craton, South Australia: Geologic Setting and Geochemistry." Economic Geology 100, no. 2 (March 1, 2005): 349–74. http://dx.doi.org/10.2113/100.2.349.
Повний текст джерелаLintern, Mel, Malcolm Sheard, and Nicky Buller. "The gold-in-calcrete anomaly at the ET gold prospect, Gawler Craton, South Australia." Applied Geochemistry 26, no. 12 (December 2011): 2027–43. http://dx.doi.org/10.1016/j.apgeochem.2011.06.032.
Повний текст джерелаLech, Megan E., Patrice de Caritat, Subhash Jaireth, and Amy Kernich. "Baseline geochemical studies in Australia with particular reference to geohealth studies in the Gawler Craton of South Australia." Chinese Journal of Geochemistry 25, S1 (March 2006): 64. http://dx.doi.org/10.1007/bf02839858.
Повний текст джерелаSchmidt Mumm, Andreas, and Frank Reith. "Biomediation of calcrete at the gold anomaly of the Barns prospect, Gawler Craton, South Australia." Journal of Geochemical Exploration 92, no. 1 (January 2007): 13–33. http://dx.doi.org/10.1016/j.gexplo.2006.06.003.
Повний текст джерелаChapman, N. D., M. Ferguson, S. J. Meffre, A. Stepanov, R. Maas, and K. J. Ehrig. "Pb-isotopic constraints on the source of A-type Suites: Insights from the Hiltaba Suite - Gawler Range Volcanics Magmatic Event, Gawler Craton, South Australia." Lithos 346-347 (November 2019): 105156. http://dx.doi.org/10.1016/j.lithos.2019.105156.
Повний текст джерелаLintern, M. J., M. J. Sheard, and A. R. Chivas. "The source of pedogenic carbonate associated with gold-calcrete anomalies in the western Gawler Craton, South Australia." Chemical Geology 235, no. 3-4 (December 2006): 299–324. http://dx.doi.org/10.1016/j.chemgeo.2006.08.001.
Повний текст джерелаFerguson, Matthew R. M., Kathy Ehrig, and Sebastien Meffre. "Insights into magma histories through silicate-oxide crystal clusters: Linking the Hiltaba Suite intrusive rocks to the Gawler Range Volcanics, Gawler Craton, South Australia." Precambrian Research 321 (February 2019): 103–22. http://dx.doi.org/10.1016/j.precamres.2018.11.015.
Повний текст джерелаSchaefer, B. F., N. C. Chalmers, and C. E. Fricke. "Lithospheric and geodynamic evolution of the Gawler Craton, South Australia: Integration of Os, Hf and Nd isotopic investigations." Geochimica et Cosmochimica Acta 70, no. 18 (August 2006): A559. http://dx.doi.org/10.1016/j.gca.2006.06.1034.
Повний текст джерелаReid, Anthony, Richard Flint, Roland Maas, Katherine Howard, and Elena Belousova. "Geochronological and isotopic constraints on Palaeoproterozoic skarn base metal mineralisation in the central Gawler Craton, South Australia." Ore Geology Reviews 36, no. 4 (December 2009): 350–62. http://dx.doi.org/10.1016/j.oregeorev.2009.09.001.
Повний текст джерелаДисертації з теми "Geochemistry South Australia Gawler Craton"
Simpson, Clayton A. "Constraints on proterozoic crustal evolution from an isotopic and geochemical study of clastic sediments of the Gawler Craton, South Australia /." Title page, contents and abstract only, 1994. http://web4.library.adelaide.edu.au/theses/09SB/09sbs613.pdf.
Повний текст джерелаMap sheets: Lincoln (SI 53-11) 1:250 000 Tumby Bay (SI 53-6129) 1:100 000. Includes bibliographical references.
Iwaniw, Andrew Mark. "Evidence of recycling of Archaean continental crust : a geochemical and Nd-Sr isotope study of Gawler Craton Granitoids, South Australia /." Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09SB/09sbi9663.pdf.
Повний текст джерелаThiel, Stephan. "Electromagnetic induction studies of the Eyre Peninsula anomaly and their relationship to the tectonics of the Southern Gawler Craton, South Australia /." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09SB/09sbt399.pdf.
Повний текст джерелаOkan, Evans Onojasun. "Feasibility of Using Regional Seismic Reflections Surveys to Discover Iron Oxide Copper Gold (IOCG) Deposits in the Gawler Craton, South Australia." Thesis, Curtin University, 2018. http://hdl.handle.net/20.500.11937/76112.
Повний текст джерелаDove, Melissa B. "The geology, petrology, geochemistry and isotope geology of the eastern St Peter Suite western Gawler Graton, South Australia /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09SB/09sbd743.pdf.
Повний текст джерелаNational Grid Reference 1:250 000 Geological Series Sheet SI 53-2 and Sheet SI 53-6. Includes bibliographical references (6 leaves ).
Duclaux, Guillaume. "Comportement mécanique des lithosphères continentales chaudes Evolution des cratons Néoarchéens et Paléoprotérozoïques de Terre Adélie (Antarctique Est) et du Gawler (South Australia)." Phd thesis, Université Jean Monnet - Saint-Etienne, 2007. http://tel.archives-ouvertes.fr/tel-00206311.
Повний текст джерелаLe Craton de Terre Adélie et son prolongement septentrional, le Craton du Gawler (en South Australia), font partie d'un même bloc : le Mawson Continent. Ils présentent donc une histoire géologique commune avant l'ouverture du domaine océanique Austral il y a environ 90 Ma. Ces cratons sont constitués d'un socle métamorphique polyphasé formé et structuré lors de deux événements géologiques majeurs datés au Néoarchéen (∼ 2.5 Ga) et au Paléoprotérozoïque (∼ 1.7 Ga).
Cette étude présente les mécanismes tectoniques à l'origine de la structuration de ce paléo-continent. Les campagnes de terrain et les travaux en laboratoire (pétrologie, géochronologie Ar–Ar et U–Th–Pb) réalisés sur des roches provenant des deux cratons ont permis (1) de préciser l'âge et l'origine de la déformation néoarchéenne ainsi que le comportement de la lithosphère continentale à cette époque et (2) de quantifier l'importance de la déformation paléoprotérozoïque au sein du noyau archéen et dans les domaines paléoprotérozoïques adjacents.
Ces travaux apportent de nouvelles contraintes sur la tectonique précambrienne.
Nos travaux ont permis de mettre en évidence et de modéliser numériquement en 3D l'évolution à l'échelle lithosphérique de la déformation lors de l'affaiblissement des contraintes tectoniques convergentes appliquées à une lithosphère archéenne chaude. Sous l'influence de la gravité, la lithosphère chaude va fluer dans une direction perpendiculaire à celle de convergence, principalement par des mécanismes de constriction horizontale. De plus, nous mettons en évidence une dualité rhéologique entre un noyau cratonique stable et sa couverture autochtone lors de processus tardifs de réactivation tectonique.
Klingberg, L. L. "Regolith-landforms and regolith geochemistry of the ‘Tomahawk’ Au-in-calcrete anomaly: Tunkillia, Gawler Craton, South Australia." Thesis, 2009. http://hdl.handle.net/2440/129278.
Повний текст джерелаThe ‘Tomahawk’ Au-in-calcrete anomaly is a zone of peak Au-in-calcrete content within the Tunkillia prospect of the central Gawler Craton, South Australia. Exploration drilling of this area has failed to intersect significant underlying mineralisation, making this an important setting to investigate controls on linkages between Au-in-calcrete expression and possible mineralisation sources. This study is the first to consider the multi-element geochemical characteristics of calcretes at ‘Tomahawk’ rather than using the Au-only approach of previous geochemical exploration. This investigation also considers the potential for laterally dispersed geochemical signatures across the landscape recorded at the surface of Au and associated elements, and suggests that Au was, and may still be physically mobilised along old and contemporary alluvial drainage depressions. There is a low relief, but locally significant drainage divide to the south of ‘Tomahawk’, so the anomaly area is associated with a point of low, broad confluence of several north flowing palaeodrainage depressions. The interpretation of these palaeolandscape controls further builds on palaeodrainage channel identification from previous studies and supports hypotheses that ‘Tomahawk’ is in an upper catchment setting, relative to the ‘Area 191’ Au-in-calcrete anomaly. Primary Au mineralisation at Tunkillia is associated with pyrite, minor galena and sphalerite within quartz-sulphide veins, and has a geochemical association with Au, Ag, Pb and Zn. Supergene Au enrichment has been recognised within ferruginised saprock overlying mineralised bedrock, and this is largely considered Au-only mineralisation. The calcrete geochemistry here shows some distinction between possible primary and secondary Au occurrences based in the trace element characteristics. The Au-in-calcrete concentrations obtained in this study are up to 194 ppb within CHep and ISps2 regolith-landforms in the north of the study area, corresponding to the lower margins of topography and areas interpreted to be within palaeodrainage systems. Silver concentrations above detection were found in association with many of the elevated Au results, therefore identifying areas of interest and possible alteration halos surrounding primary Au mineralisation. Furthermore, small exposures of weathered in situ quartz veins support a possible source for the ‘Tomahawk’ Au-in-calcrete anomaly to the south, which is immediately upslope of the palaeodrainage system.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2009
Simpson, C. A. "Constraints on Proterozoic crustal evolution from an isotopic and geochemical study of clastic sediments of the Gawler Craton, South Australia." Thesis, 1994. http://hdl.handle.net/2440/88297.
Повний текст джерелаThe Gawler Craton comprises tocks varying in age from Archaean to more recent Phanerozoic sediments. The rocks of greatest interest in defining processes of early crustal formation and evolution in the Australian continent, are the basement material older than approximately 1400 Ma (pre-cratonisation), comprising deformed and metamorphosed rocks suites of Archaean and Proterozoic metasediments and gneisses. These suites span an immense period of intense geological history, and as such are a topic of much past and present study. Detailed mapping in the Tumby Bay region of eastern Eyre Peninsula outlines stratigraphic and structural evolution of a sequence of Proterozoic rock suites, these are proposed to be related to other recognised deformation episodes elsewhere within the Gawler Craton, thus regional correlation is inferred. A new theory for development of two lineations within the map region is postulated by two movement directions along the Kalinjala Mylonite Zone. Geochemically the Proterozoic sediments of the Gawler Craton are similar to upper crustal average values of Taylor & McClennan (1985). However, characteristic depletions in Nb and Sr are recognised. Consistency in trace element compositions for Archaean and Proterozoic samples would suggest recycling of older Archaean crust into Proterozoic sediments and granitoids. Analysis of representative trace element ratios and indices of alteration and weathering suggest some change in geochemistry throughout the Proterozoic period. Selected Proterozoic elastic sedimentary suites were geochemicaly and isotopically (Sm-Nd) analysed, with the data being presented within this thesis. The most interesting of these being the Pandurra Formation, red-bed sediments deposited within the north-eastern Stuart Shelf region of the Gawler Craton. These sediments exhibit a change in measured isotopic values, with younger epsilon neodymium (ENd), and higher Sm/Nd ratios observed (ENd(O) = -14.67, Sm/Nd = 0.2441), than typical older Gawler Craton rocks (average Proterozoic sediments ENd(O) = -21.85, Sm/Nd = 0.1847). This isotopic shift is also recognised within the Adelaide Fold Belt to the east of the Gawler Craton (average shales ENd(O) = -16.20, Sm/Nd = 0.1942). A source for these younger signatures is not recognised within the Gawler Craton, and therefore more distal province sources, OR isotopic alteration in the originally considered 'robust' Sm-Nd isotopic system, are proposed.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Earth and Environmental Sciences, 1994
Payne, Justin L. "Palaeo- to Mesoproterozoic evolution of the Gawler Craton, Australia: geochronological, geochemical and isotopic constraints." 2008. http://hdl.handle.net/2440/50045.
Повний текст джерелаhttp://proxy.library.adelaide.edu.au/login?url= http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1330862
Thesis (Ph.D.) - University of Adelaide, School of Earth and Environmental Sciences, 2008
Budd, Anthony. "The Tarcoola Goldfield of the Central Gawler Gold Province, and the Hiltaba Association Granites, Gawler Craton, South Australia." Phd thesis, 2006. http://hdl.handle.net/1885/12890.
Повний текст джерелаЧастини книг з теми "Geochemistry South Australia Gawler Craton"
Hou, B., L. A. Brakes, N. F. Alley, and D. Gray. "Development of integrated exploration methods: An Inspiration derived from the study of palaeodralnage on the Gawler Craton, South Australia." In Computer Applications in the Mineral Industries, 107–10. CRC Press, 2020. http://dx.doi.org/10.1201/9781003078661-19.
Повний текст джерелаТези доповідей конференцій з теми "Geochemistry South Australia Gawler Craton"
Foss, C., T. Wilson, G. Gouthas, L. Katona, and P. Heath. "Magnetic source depth delineation of the Mulgathing Trough beneath cover in the Gawler Craton, South Australia." In EAGE-GSM 2nd Asia Pacific Meeting on Near Surface Geoscience and Engineering. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201900414.
Повний текст джерелаAlexander, Elinor. "Natural hydrogen exploration in South Australia." In PESA Symposium Qld 2022. PESA, 2022. http://dx.doi.org/10.36404/putz2691.
Повний текст джерела