Добірка наукової літератури з теми "Tunkillia"
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Статті в журналах з теми "Tunkillia"
Payne, Justin L., Gary Ferris, Karin M. Barovich, and Martin Hand. "Pitfalls of classifying ancient magmatic suites with tectonic discrimination diagrams: An example from the Paleoproterozoic Tunkillia Suite, southern Australia." Precambrian Research 177, no. 3-4 (March 2010): 227–40. http://dx.doi.org/10.1016/j.precamres.2009.12.005.
Повний текст джерелаvan der Hoek, B. G., S. M. Hill, and Robert C. Dart. "Calcrete and plant inter-relationships for the expression of concealed mineralization at the Tunkillia gold prospect, central Gawler Craton, Australia." Geochemistry: Exploration, Environment, Analysis 12, no. 4 (November 2012): 361–72. http://dx.doi.org/10.1144/geochem2011-115.
Повний текст джерелаChapman, N. D., S. J. Meffre, R. Maas, and K. Ehrig. "Pb-isotope ratios and the petrogenesis of the Tunkillia Suite, Gawler Craton." Australian Journal of Earth Sciences, May 17, 2021, 1–21. http://dx.doi.org/10.1080/08120099.2021.1915868.
Повний текст джерелаДисертації з теми "Tunkillia"
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
Reid, Nathan. "Phyto-exploration in arid subtropical, arid mediterranean and tropical savanna environments: biogeochemical mechanisms and implications for mineral exploration." 2009. http://hdl.handle.net/2440/59980.
Повний текст джерелаhttp://proxy.library.adelaide.edu.au/login?url= http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1351318
Thesis (Ph.D.) -- University of Adelaide, School of Chemical Engineering, School of Earth and Environmental Sciences, 2009
Reid, Nathan. "Phyto-exploration in arid subtropical, arid mediterranean and tropical savanna environments: biogeochemical mechanisms and implications for mineral exploration." Thesis, 2009. http://hdl.handle.net/2440/59980.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Chemical Engineering, School of Earth and Environmental Sciences, 2009