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Статті в журналах з теми "Wonoka Formation"
Haines, Peter W. "Problematic fossils in the late Neoproterozoic Wonoka Formation, South Australia." Precambrian Research 100, no. 1-3 (March 2000): 97–108. http://dx.doi.org/10.1016/s0301-9268(99)00070-4.
Повний текст джерелаMinguez, D., and K. P. Kodama. "Rock magnetic chronostratigraphy of the Shuram carbon isotope excursion: Wonoka Formation, Australia." Geology 45, no. 6 (March 30, 2017): 567–70. http://dx.doi.org/10.1130/g38572.1.
Повний текст джерелаCui, Huan. "Rock magnetic chronostratigraphy of the Shuram carbon isotope excursion: Wonoka Formation, Australia: COMMENT." Geology 45, no. 10 (October 1, 2017): e429-e429. http://dx.doi.org/10.1130/g39593c.1.
Повний текст джерелаMinguez, Daniel, and Kenneth P. Kodama. "Rock magnetic chronostratigraphy of the Shuram carbon isotope excursion: Wonoka Formation, Australia: REPLY." Geology 45, no. 10 (October 1, 2017): e430-e430. http://dx.doi.org/10.1130/g39648y.1.
Повний текст джерелаHusson, J. M., A. C. Maloof, B. Schoene, C. Y. Chen, and J. A. Higgins. "Stratigraphic expression of Earth's deepest 13C excursion in the Wonoka Formation of South Australia." American Journal of Science 315, no. 1 (January 1, 2015): 1–45. http://dx.doi.org/10.2475/01.2015.01.
Повний текст джерелаDiBona, P. A., C. C. von der Borch, and N. Christie‐Blick. "Sequence stratigraphy and evolution of a basin‐slope succession: The Late Proterozoic Wonoka Formation, Flinders Ranges, South Australia." Australian Journal of Earth Sciences 37, no. 2 (June 1, 1990): 135–45. http://dx.doi.org/10.1080/08120099008727916.
Повний текст джерелаHaines, Peter W. "Storm-dominated mixed carbonate / siliciclastic shelf sequence displaying cycles of hummocky cross-stratification, late Proterozoic Wonoka Formation, South Australia." Sedimentary Geology 58, no. 2-4 (August 1988): 237–54. http://dx.doi.org/10.1016/0037-0738(88)90071-1.
Повний текст джерелаMoynihan, David P., Justin V. Strauss, Lyle L. Nelson, and Colin D. Padget. "Upper Windermere Supergroup and the transition from rifting to continent-margin sedimentation, Nadaleen River area, northern Canadian Cordillera." GSA Bulletin 131, no. 9-10 (March 8, 2019): 1673–701. http://dx.doi.org/10.1130/b32039.1.
Повний текст джерелаKernen, Rachelle A., Katherine A. Giles, Mark G. Rowan, Timothy F. Lawton, and Thomas E. Hearon. "Depositional and halokinetic-sequence stratigraphy of the Neoproterozoic Wonoka Formation adjacent to Patawarta allochthonous salt sheet, Central Flinders Ranges, South Australia." Geological Society, London, Special Publications 363, no. 1 (2012): 81–105. http://dx.doi.org/10.1144/sp363.5.
Повний текст джерелаSui, Yu, Chunju Huang, Rui Zhang, Zhixiang Wang та James Ogg. "Astronomical time scale for the middle-upper Doushantuo Formation of Ediacaran in South China: Implications for the duration of the Shuram/Wonoka negative δ13C excursion". Palaeogeography, Palaeoclimatology, Palaeoecology 532 (жовтень 2019): 109273. http://dx.doi.org/10.1016/j.palaeo.2019.109273.
Повний текст джерелаДисертації з теми "Wonoka Formation"
Haines, Peter W. "Carbonate shelf and basin sedimentation, late Proterozoic Wonoka Formation, South Australia /." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phh152.pdf.
Повний текст джерелаHiggins, Jonathan. "The Pamatta Pass Canyon Complex : Neoproterozoic Wonoka Formation, Flinders Ranges, South Australia /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09SB/09sbh636.pdf.
Повний текст джерелаNational Grid Reference:-Orroroo Sheet SI 54-1 (1:250,000 Geological Series). One col. folded map in pocket on back cover. Includes bibliographical references (8 leaves ).
Jansyn, Joanne. "Strato-tectonic evolution of a large subsidence structure associated with the late Proterozoic Wonoka Formation at Wilpena Pound, central Flinders Ranges, South Australia /." Title page, table of contents and abstract only, 1990. http://web4.library.adelaide.edu.au/theses/09SB/09sbj35.pdf.
Повний текст джерелаOne col. map + one col. chart in pocket. National grid reference : Parachilna sheet H54-13 (1:250 000). Includes bibliographical references.
Urlwin, Ben. "Carbon isotope stratigraphy of the late Proterozoic Wonoka formation of the Adelaide fold belt : diagenetic assessment and interpretation of isotopic signature and correlations with previously measured isotopic curves /." Title page, abstract and contents only, 1992. http://web4.library.adelaide.edu.au/theses/09SB/09sbu77.pdf.
Повний текст джерелаOn title page : "National Grid reference : Copley 1:250,000 SH54-9 6636." Folded map in back cover pocket. Includes bibliographical references (leaves [50-65]).
Ayliffe, Damien. "Geological setting of the late Proterozoic Wonoka Formation carbonate ramp and canyon sequence at Pichi Ric hi Pass Southern Flinders Ranges, South Australia : geoch emical, stable isotope, and diagenetic analysis /." Title page, contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09S.B/09s.ba978.pdf.
Повний текст джерелаOn title page: "National Grid reference: Port Augusta sheet SI 53-4 (1:250000) Onnoroo sheet SI 54-1 (1:250 00 0)." One map in pocket inside back cover. Includes bibliographical references (leaves 52-60).
Haines, Peter W. "Carbonate shelf and basin sedimentation, late Proterozoic Wonoka Formation, South Australia." Thesis, 1987. http://hdl.handle.net/2440/21574.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, Dept. of Geology and Geophysics, 1987
Ayliffe, D. "Geological setting of the Late Proterozoic Wonoka Formation at Pichi Richi Pass, southern Flinders Ranges, South Australia: geochemical, stable isotope and diagenetic analysis." Thesis, 1992. http://hdl.handle.net/2440/131142.
Повний текст джерелаCarbon, oxygen and strontium isotope stratigraphy has increased the resolution of Proterozoic stratigraphic correlation. Isotopic analysis was performed on the late Proterozoic Wonoka Formation canyon and carbonate platform sequences. Highly depleted and homogenised carbon and oxygen isotopes characterise the canyon fill (13C = -8 to -7%o, (18O = - 17 to -15%o PDB ) whilst a major positive excursion was observed in the Wonoka Formation carbonate platform sequence ((13C = -8 to -0.5%o, (18O = -15.0 to -7.0%o PDB). These values correlate closely with other established isotopic trends throughout the Adelaide Geosyncline. However, similar aged late Vendian strata throughout the world show low positive values. Strontium isotopic analysis revealed relatively 87Sr enrichment in the carbonate platform deposits compared to the canyon sequence. This was attributed to the input of 87Sr enriched terrestrially derived strontium. The 87Sr/86Sr ratio of the Wonoka Formation correlates closely with established late Proterozoic seawater trends. Therefore, a primary strontium isotopic composition is implied for the Wonoka Formation. Major and trace element geochemical analysis (Ca, Mg, Sr, Fe, Mn, and Rb) was performed to assess the diagenetic alteration of the late Proterozoic strata. Samples with low Mn/Sr, high Ca/Sr, high strontium, and low rubidium have the highest probability of preserving a primary geochemical signal. Most samples from the Pichi Richi region analysed plotted under the altered Mn/Sr (<2) and Ca/Sr (<2000) values. The high remnant strontium-concentrations of the Wonoka Formation suggest neomorphism from an aragonitic precursor. Micritic carbonate of the Wonoka Formation was probably a primary marine precipitate of aragonite derived from late Proterozoic supersaturated seas. Therefore, the majority of sediment diagenesis probably occurred in the marine phreatic zone, resulting in the observed primary isotopic composition.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 1992
Urlwin, B. "Carbon isotope stratigraphy of the Late Proterozoic Wonoka Formation of the Adelaide Fold Belt: diagenetic assessment and interpretation of isotopic signature and correlations with previously measured isotopic curves." Thesis, 1992. http://hdl.handle.net/2440/105305.
Повний текст джерелаThe Wonoka Formation of the Adelaide Fold Belt represents the only well described example of a late Proterozoic storm dominated carbonate shelf sequence with the considerable thickness and lateral extent of the formation making it an excellent opportunity for applying the principles of isotope stratigraphy. Sequences exposed at Warraweena, which lies on the boundary between the Central and Northern Flinders Zones, were analysed for stable isotope ratios of carbon and oxygen. Geochemical, petrographic and cathodoluminescent analysis of individual samples was used to identify those carbonates which have experienced significant diagenetic alteration. These values were not included in the interpretation of the formation's isotopic signal. Plotting of the least altered values against stratigraphic height revealed a consistent carbon isotopic trend. This trend was divided into two sections, termed the Lower Wonoka Signal and the Upper Wonoka Signal. The Lower Wonoka Signal is defined by the extremely consistent negative signal (delta13c = -8 to -7o/oo) characteristic of the lower- to mid-Wonoka Formation. This signal is interpreted to be a product of deposition and lithification in basinal waters that contain anomalously light dissolved carbonate. The Upper Wonoka Signal comprises a shift to more positive values (a13c = -5 to +6 o/oo) and is interpreted to be a reflection of carbonate deposition in shallow surface waters, possibly in association with the formation of a partially restricted lagoon. Strontium isotopic analysis reveals 87Sr/86Sr values that are interpreted to be of primary origin. These values, when compared to data obtained by previous authors for the equivalent time period, give an estimated age of 560-590 Ma for the Wonoka Formation.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 1992
Meredith, K. "Geological history of the Waukarie Creek canyon complex, southern Flinders Ranges, South Australia." Thesis, 1997. http://hdl.handle.net/2440/131148.
Повний текст джерелаMany regional disconformities or 'sequence boundaries' have now been identified throughout the late Proterozoic Wilpena sediments of the Adelaide Geosyncline, South Australia. The most prominent of these appears near the base of the Wonoka Formation and has been related to the formation of incised valleys or 'canyons'. Early interpretations of these canyons suggested they were of submarine origin, cut and filled in a deepwater environment. However, more recent work has focused on a subaerial model whereby the incisions were cut fluvially. Work was carried out on the Waukarie Creek Canyon Complex in the Southern Flinders Ranges. Observations gained from field mapping tend to favour a subaerial origin for canyon development. Some localities were found that provide evidence that there was some tectonic activity, expressed by deformation of sediments, prior to the formation of the Wonoka canyons. Palaeocurrents from flute casts and current ripples show that numerous reversals were found throughout the canyon, substantiating a tectonic influence on the formation of the canyons. This activity may be approximately coeval with the Beardmore Orogeny of Antarctica. The compressional Cambro-Ordovician Delamerian Orogeny subsequently deformed the sedimentary prism in a complex array of north-south trending tight folds and reverse faults.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 1997
Jansyn, J. "Strato-tectonic evolution of a large subsidence structure associated with the late Proterozoic Wonoka Formation at Wilpena Pound, central Flinders Ranges, South Australia." Thesis, 1990. http://hdl.handle.net/2440/86719.
Повний текст джерелаThe coincidence between the timing of the subsidence of a trough-like structure adjacent to Wilpena Pound and the initiation of canyons associated with the late Proterozoic Wonoka Formation in other parts of the Flinders Ranges provides circumstantial but not necessarily compelling evidence for a tectonic control being involved with the formation of the canyons. The trough, here termed The Wilpena Trough, is characterised by the presence of a deep central sag and shoulder sags bounded by steep north-easterly trending faults. Other canyons may have marginal faults; and the numerous reversals of current indicators within them, rather than simple unidirectional current trends as expected with turbidite erosion, substantiate a tectonic influence in their generation. Small scale faulting in the Wearing Dolomite Member of the Wonoka Formation reflects the dominantly extensional regime in which the Wilpena Trough was formed. A phase of warping prior to deposition of the Wonoka Formation may have provided the necessary trigger to produce stress zones in strata, where growth faults controlling the sedimentation in the Wilpena Trough were initiated. After deposition of the Wearing Dolomite Member in a shallow water palaeoenvironment, Units 2 and 3 of the Wonoka Formation were deposited in deeper water settings on a shelfal slope. This idea supports a submarine environment prior to subsidence of the Trough. Measured stratigraphic thickness changes give a precise timing for the initiation of fault movement that caused thickened packages of sediments. Major fault movement and corresponding sediment subsidence became active near the Unit 2/Unit 3 transition and dominated the deposition of Unit 3 through to Unit 7. Units 4 to 9 represent a wedge of prograding shelf sediments. Unit 10 is a shallow transgressional sequence and a sequence boundary has been proposed of the base of this unit, due to the marked change in sedimentary style. Stable carbon and oxygen isotope data from the sediments of the Wonoka Formation in the central Flinders Ranges shows an initial low negative plot which is succeeded by an interval showing a strong negative excursion which then makes a shift back to low negative values. A possible correlation between the late Proterozoic units in the Adelaide Fold Belt and the eastern Officer Basin enables the data from the Wonoka Formation to be added to information which Pell (1989) obtained from the Rodda Beds to show a continuous trend from the negative excursion to a broad positive one. Comparison with the corresponding overseas data provides a potential tool for late Proterozoic inter-regional basin correlation.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Earth and Environmental Sciences, 1990