Добірка наукової літератури з теми "Paleo-redox"
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Статті в журналах з теми "Paleo-redox"
Dideriksen, K., B. C. Christiansen, C. Frandsen, T. Balic-Zunic, S. Mørup, and S. L. S. Stipp. "Paleo-redox boundaries in fractured granite." Geochimica et Cosmochimica Acta 74, no. 10 (May 2010): 2866–80. http://dx.doi.org/10.1016/j.gca.2010.02.022.
Повний текст джерелаAsahina, Kenta, Satoshi Takahashi, Ryosuke Saito, Kunio Kaiho, and Yasuhiro Oba. "Maleimide index: a paleo-redox index based on fragmented fossil-chlorophylls obtained by chromic acid oxidation." RSC Advances 12, no. 48 (2022): 31061–67. http://dx.doi.org/10.1039/d2ra04702k.
Повний текст джерелаLiu, Y. G., M. R. U. Miah, and R. A. Schmitt. "Cerium: A chemical tracer for paleo-oceanic redox conditions." Geochimica et Cosmochimica Acta 52, no. 6 (June 1988): 1361–71. http://dx.doi.org/10.1016/0016-7037(88)90207-4.
Повний текст джерелаMadukwe, Henry Y. "Source-Area Weathering, Composition and Paleo-Redox Condition of Stream Sediments from Ijero-Ekiti, Nigeria." International Journal of Trend in Scientific Research and Development Volume-1, Issue-5 (August 31, 2017): 446–65. http://dx.doi.org/10.31142/ijtsrd2365.
Повний текст джерелаDevi, Salam Ranjeeta. "Geochemistry of the Transitional beds between Disang and Barail Successions of the Imphal Valley, Indo-Myanmar Ranges." Journal of The Indian Association of Sedimentologists 39, no. II (December 31, 2022): 10–16. http://dx.doi.org/10.51710/jias.v39iii.247.
Повний текст джерелаStylo, Malgorzata, Nadja Neubert, Yuheng Wang, Nikhil Monga, Stephen J. Romaniello, Stefan Weyer, and Rizlan Bernier-Latmani. "Uranium isotopes fingerprint biotic reduction." Proceedings of the National Academy of Sciences 112, no. 18 (April 20, 2015): 5619–24. http://dx.doi.org/10.1073/pnas.1421841112.
Повний текст джерелаWei, Mingyang, Zhidong Bao, Axel Munnecke, Wei Liu, G. Harrison, Hua Zhang, Demin Zhang, et al. "Paleoenvironment of the Lower–Middle Cambrian Evaporite Series in the Tarim Basin and Its Impact on the Organic Matter Enrichment of Shallow Water Source Rocks." Minerals 11, no. 7 (June 22, 2021): 659. http://dx.doi.org/10.3390/min11070659.
Повний текст джерелаMansour, Ahmed, Thomas Gentzis, Ibrahim M. Ied, Mohamed S. Ahmed, and Michael Wagreich. "Paleoenvironmental Conditions and Factors Controlling Organic Carbon Accumulation during the Jurassic–Early Cretaceous, Egypt: Organic and Inorganic Geochemical Approach." Minerals 12, no. 10 (September 26, 2022): 1213. http://dx.doi.org/10.3390/min12101213.
Повний текст джерелаMahu, Edem, Daniel K. Asiedu, Elvis Nyarko, Samuel Hulme, Kenneth H. Coale, and Chris Y. Anani. "Provenance, paleo-weathering and -redox signatures of estuarine sediments from Ghana, Gulf of Guinea." Quaternary International 493 (November 2018): 176–86. http://dx.doi.org/10.1016/j.quaint.2018.06.005.
Повний текст джерелаvan der Land, Cees, Furu Mienis, Henk de Haas, Henko C. de Stigter, Rudy Swennen, John J. G. Reijmer, and Tjeerd C. E. van Weering. "Paleo-redox fronts and their formation in carbonate mound sediments from the Rockall Trough." Marine Geology 284, no. 1-4 (June 2011): 86–95. http://dx.doi.org/10.1016/j.margeo.2011.03.010.
Повний текст джерелаДисертації з теми "Paleo-redox"
Voegelin, Andrea. "The molybdenum isotopic composition of carbonate rocks : setup of a novel paleo-redox proxy and its application to geological problems /." [S.l.] : [s.n.], 2009. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000288146.
Повний текст джерелаAl-Busaidi, Q. H. "Chemostratigraphy of Cambrian carbonates in the Amadeus Basin: implications for paleo-depositional environments and marine redox." Thesis, 2018. http://hdl.handle.net/2440/130323.
Повний текст джерелаThe Paleozoic sedimentary sequences from the Amadeus Basin in the Northern Territory (NT) have been a subject of several studies due to their economic and scientific significance. However, the applications of trace element and/or stable and radiogenic isotope proxies (e.g., REE, C and Sr isotopes) to Cambrian carbonate records from the Amadeus Basin are quite limited. Strontium isotope ratio (87Sr/86Sr) and the major and trace elemental concentration data (including REE, and paleo-redox Ce anomaly) were used in this study to constrain the paleo-depositional environment and the redox conditions in the NE parts of the Amadeus Basin during the middle Cambrian, based on analysis of carbonates from two drill cores (Alice 1 and Dingo2). Importantly, acquired data from these two remote cores are consistent with a presumably regional and perhaps basin-wide signal. In detail, this study shows that the lower or older successions (Giles Creek Dolomite mainly) have 87Sr/86Sr record that is consistent with the expected coeval middle Cambrian paleo-seawater Sr isotope composition, and REE data point to more oxic conditions. This in turn suggests either a limited restriction of the basin from the Cambrian global ocean during this time (~515 to 505 Ma), or alternatively an existence of “evaporitic seaway” setting. Considering the evidence for major evaporitic cycles in the studied records, the latter scenario is more plausible. In contrast, the upper and younger successions have a 87Sr/86Sr ratio that is non-marine and much more radiogenic, plus REE data indicate more reducing conditions. These proxy data thus indicate a substantial restriction of the basin during this time (~505 to 495 Ma) and an overall increase in the input of continental Sr flux into the basin via weathering, likely due to more humid climate. Overall, this study argues that the older middle Cambrian sedimentary record from the Amadeus Basin was deposited under generally oxic conditions while still being connected at some level to the open ocean during times of hotter or greenhouse climate, the latter reflected as repetitive evaporitic cycles. The younger Cambrian record, during the positive C isotope (SPICE) event, was in contrast deposited under more reducing redox conditions and enhanced continent-derived weathering fluxes, driven by climate change (arid to humid), amplified by the equatorial position of the Amadeus Basin during the Cambrian times.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2018
Love, A. G. "Strontium isotope constraints on the Neoproterozoic stratigraphy of northeastern Amadeus Basin, NT, Australia." Thesis, 2017. http://hdl.handle.net/2440/128257.
Повний текст джерелаWe measured elemental concentrations (including rare earth elements, REEs) and radiogenic strontium isotopes (87Sr/86Sr ratios) from the Neoproterozoic carbonate-rich formations in the northeastern Amadeus Basin, in the central Australia. The acquired composite 87Sr/86Sr trend from the Amadeus Basin has the potential to be used for future strontium isotope stratigraphic (SIS) studies, in this semi-restricted intra-cratonic basin, as its local 87Sr/86Sr trend differs from the global Sr isotope seawater curve. Specifically, our composite 87Sr/86Sr trend from the Amadeus Basin is systematically more radiogenic compared to the coeval global ocean, which could be explained by a partial restriction of the Amadeus Basin during the Neoproterozoic. In particular, our elemental and isotope data show the following trends: the Ediacaran (post-Marinoan) Olympic cap carbonates (~635 Ma) revealed (i) radiogenic 87Sr/86Sr values which support the meltwater plume hypothesis and the above-mentioned basin restriction, and (ii) paleo-redox proxy data (Ce/Ce*) suggest more reducing (anoxic) conditions in the Amadeus Basin in the aftermath of the Marinoan glaciation. In contrast, the 87Sr/86Sr measurements of the Cryogenian Ringwood Member of the Aralka Formation (~658 Ma) revealed values that are approaching the global seawater 87Sr/86Sr curve, which in turn suggest relatively higher connectivity of the basin with the global ocean during this time. The paleo-redox proxy data (Ce/Ce*) from carbonates of the Cryogenian Ringwood Member and the Tonian Bitter Springs Group (~800 Ma) revealed less reducing and potentially sub-oxic conditions during these glacier-free intervals. Overall, our composite Neoproterozoic Sr isotope trend from the NE Amadeus Basin seems to mimic the global seawater 87Sr/86Sr curve, however, with a systematic offset of about ~ 0.001 to ~ 0.002 units towards more radiogenic values.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2017
Toledo, G. E. "Chromium Isotope Constraints on the Mid-Proterozoic redox: evidence from δ53Cr of carbonates from the greater McArthur Basin, northern Australia". Thesis, 2018. https://hdl.handle.net/2440/133689.
Повний текст джерелаThe Great Oxygenation Event (GOE) and the Neoproterozoic Oxygenation Event (NOE) are interpreted to have made the most profound and permanent surface redox changes in Earth’s history. Changes in redox conditions between these two oxygenation events (i.e. mid-Proterozoic; 1.8-0.8 Ga) are poorly understood where environmental stability with persistently low atmospheric oxygen is assumed (<0.1% PAL; Present Atmospheric Levels). This period also witnessed the first appearance of primitive eukaryotes, however Eukarya diversification was determined to be effectively stagnant presumably due to sustained low atmospheric oxygen levels (pO2). More recent studies found evidence of relatively high mid-Proterozoic pO2, well in excess of 1% PAL, sufficient to promote diversification. The importance of better understanding the past redox conditions heightens due to the contrasting pO2 estimates that plausibly swayed the Eukarya diversification. This study presents stable Cr isotope (δ53Cr) values in mid-Proterozoic organic-rich carbonates of the Limbunya and McArthur Groups from the greater McArthur Basin. Analysed values from -0.293‰ to +1.389‰, present the oldest documented positively fractionated mid-Proterozoic δ53Cr values in marine carbonate units ca. 1.64 Gyrs ago, suggestive of a fluctuating, but increasing pO2 at the time of a generally reducing environment and supporting a permissive environment for Eukarya diversification. However, it is likely that its unstable nature probably inhibited wider and earlier Eukarya diversification, should pO2 levels truly be a barrier for evolution.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Physical Sciences, 2018
Частини книг з теми "Paleo-redox"
Sato, Tomohiko, Yukio Isozaki, Katsumi Shozugawa, Kimiko Seimiya, and Motoyuki Matsuo. "57Fe Mössbauer analysis of the Upper Triassic-Lower Jurassic deep-sea chert: Paleo-redox history across the Triassic-Jurassic boundary and the Toarcian oceanic anoxic event." In ICAME 2011, 675–78. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-4762-3_117.
Повний текст джерелаMadhavaraju, J., S. M. Hussain, J. Ugeswari, R. Nagarajan, S. Ramasamy, and P. Mahalakshmi. "Paleo-Redox Conditions of the Albian-Danian Carbonate Rocks of the Cauvery Basin, South India." In Chemostratigraphy, 247–71. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-12-419968-2.00010-8.
Повний текст джерелаBianchi, Thomas S., and Elizabeth A. Canuel. "Chemical Biomarker Applications to Ecology and Paleoecology." In Chemical Biomarkers in Aquatic Ecosystems. Princeton University Press, 2011. http://dx.doi.org/10.23943/princeton/9780691134147.003.0002.
Повний текст джерелаCao, Kang, Zhi-Ming Yang, Zeng-qian Hou, Noel C. White, and Chao Yu. "Contrasting Porphyry Cu Fertilities in the Yidun Arc, Eastern Tibet: Insights from Zircon and Apatite Compositions and Implications for Exploration." In Tectonomagmatic Influences on Metallogeny and Hydrothermal Ore Deposits: A Tribute to Jeremy P. Richards (Volume II), 231–55. Society of Economic Geologists, 2021. http://dx.doi.org/10.5382/sp.24.13.
Повний текст джерелаТези доповідей конференцій з теми "Paleo-redox"
He, Ruliang, Wanyi Lu, Christopher K. Junium, Charles Ver Straeten, and Zunli Lu. "PALEO-REDOX CONTEXT OF THE MID-DEVONIAN APPALACHIAN BASIN AND ITS RELEVANCE TO BIOCRISES." In Joint 69th Annual Southeastern / 55th Annual Northeastern GSA Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020se-343141.
Повний текст джерелаYang, Rui, Sheng He, Qinhong Hu, and Dongfeng Hu. "PALEO-OCEAN REDOX ENVIRONMENTS OF BLACK ORGANIC-RICH SHALES IN FULING SHALE GAS FIELD, SICHUAN BASIN." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-278253.
Повний текст джерелаWang, Yi, Wanyi Lu, Kassandra M. Costa, and Sune G. Nielsen. "BEYOND ANOXIA: EXPLORING SEDIMENTARY THALLIUM ISOTOPES IN PALEO-REDOX RECONSTRUCTIONS FROM A NEW CORE TOP COLLECTION." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-378423.
Повний текст джерелаRoué, Lucile, Florian Kurzweil, Martin Wille, Antje Wegwerth, Olaf Dellwig, Carsten Münker, and Ronny Schoenberg. "Combined stable W and Mo isotopic evidence for increasing redox-potentials from the Paleo- to Neoarchean Oceans." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6421.
Повний текст джерелаBowman, Chelsie, Madeline Marshall, Madeline Marshall, Joshua M. Garber, Joshua M. Garber, Jeremy Owens, Jeremy Owens, et al. "INSIGHTS INTO PHOSPHOGENESIS FROM A MULTI-PROXY PALEO-REDOX RECONSTRUCTION OF THE PERMIAN PHOSPHORIA BASIN, IDAHO, USA." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-381810.
Повний текст джерелаDavies, Marissa A., Claudia J. Schröder-Adams, Jens O. Herrle, Peter Hülse, Simon Schneider, and Alex Quesnel. "BENTHIC FORAMINIFERAL MORPHOGROUP RESPONSE TO PALEO-REDOX CONDITIONS ACROSS THE CONIACIAN TO SANTONIAN “OAE 3” INTERVAL IN THE KANGUK FORMATION, CANADIAN ARCTIC ARCHIPELAGO." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-305457.
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