New constraints on the evolution of 87Sr/86Sr of seawater during the Upper Triassic
作者： Zsófia Kovács , Isaline Demangel , Sylvain Richoz , Dorothee Hippler , Andre Baldermann
DOI: 10.1016/J.GLOPLACHA.2020.103255
关键词: Sedimentary basin 、 Climate change 、 Carbonate 、 Tectonics 、 Supercontinent 、 Biostratigraphy 、 Evaporite 、 Paleontology 、 Radiogenic nuclide 、 Geology
摘要: Abstract The Late Triassic time interval witnessed several important biological turnovers, extinctions and onset of new life forms. Therefore, it is crucial to better constrain the tectonic, climatic oceanographic framework at this time. radiogenic strontium isotopic composition (87Sr/86Sr) seawater, recorded in marine carbonates sensitive variations continental weathering oceanic spreading rates. This makes a powerful proxy for palaeo-environmental reconstructions an excellent global stratigraphic correlation tool sediment records. In study, we present extended 87Sr/86Sr dataset across late Norian - Hettangian interval, established from carbonate successions Austria Turkey. well-established biostratigraphy high sampling resolution allow evaluating changes record with constraint than previous studies. An exceptionally sharp trend towards unradiogenic values has been observed latest early Rhaetian 0.70800 0.70779. Considering climate change, updated tectonic models actual dating magmatic events, possible explanations are: (i) enhanced dissolution pre-Norian carbonates, (ii) widespread evaporites (iii) reorganization sedimentary basins due break-up supercontinent Pangea. At very end Choristoceras marshi Zone, Rhaetian, reversed. likely related environmental emplacement Central Atlantic Magmatic Province.
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sci-hub.st 参考文章(117)
Jochen Kuss, Faziesentwicklung in proximalen Intraplattform-Becken: Sedimentation, Palökologie und Geochemie der Kössener Schichten (Ober-Trias, Nördliche Kalkalpen) Facies. ,vol. 9, pp. 61- 171 ,(1983) , 10.1007/BF02536659
Iwao Kawabe, Yoshihiro Asahara, Noriko Miura, Rare earth element and Sr isotopic study of the Middle Permian limestone-dolostone sequence in Kuzuu area, central Japan: Seawater tetrad sffect and Sr isotopic signatures of seamount-type carbonate rocks The Journal of earth and planetary sciences, Nagoya University. ,vol. 51, pp. 11- 35 ,(2004) , 10.18999/JOUEPS.51.11
A. H. F. Robertson, O. Parlak, N. Yıldırım, P. Dumitrica, K. Taslı, Late Triassic rifting and Jurassic–Cretaceous passive margin development of the Southern Neotethys: evidence from the Adıyaman area, SE Turkey International Journal of Earth Sciences. ,vol. 105, pp. 167- 201 ,(2016) , 10.1007/S00531-015-1176-0
Nicholas D Ward, Alex V Krusche, Henrique O Sawakuchi, Daimio C Brito, Alan C Cunha, José Mauro Sousa Moura, Rodrigo da Silva, Patricia L Yager, Richard G Keil, Jeffrey E Richey, None, The compositional evolution of dissolved and particulate organic matter along the lower Amazon River—Óbidos to the ocean Marine Chemistry. ,vol. 177, pp. 244- 256 ,(2015) , 10.1016/J.MARCHEM.2015.06.013
Michael Obermaier, Thomas Aigner, Holger C. Forke, Facies, sequence stratigraphy and reservoir/seal potential of a Jilh Formation outcrop equivalent (Wadi Sahtan, Triassic, Upper Mahil Member, Sultanate of Oman). GeoArabia. ,vol. 17, pp. 85- 128 ,(2012)
A.v. Hillebrandt, L. Krystyn, W.M. Kürschner, N.R. Bonis, M. Ruhl, S. Richoz, M. A. N. Schobben, M. Urlichs, P.R. Bown, K. Kment, C.A. McRoberts, M. Simms, A Tomãsových, The global stratotype sections and point (GSSP) for the base of the jurassic system at kuhjoch (Karwendel Mountains, Northern Calcareous Alps, Tyrol, Austria) Episodes. ,vol. 36, pp. 162- 198 ,(2013) , 10.18814/EPIIUGS/2013/V36I3/001
Silvia Gardin, Leopold Krystyn, Sylvain Richoz, Annachiara Bartolini, Bruno Galbrun, Where and when the earliest coccolithophores Lethaia. ,vol. 45, pp. 507- 523 ,(2012) , 10.1111/J.1502-3931.2012.00311.X
J. Gregory McHone, Volatile emissions from Central Atlantic Magmatic Province Basalts: Mass assumptions and environmental consequences The Central Atlantic Magmatic Province: Insights From Fragments of Pangea. ,vol. 136, pp. 241- 254 ,(2003) , 10.1029/136GM013
Gregory J. Retallack, A 300-million-year record of atmospheric carbon dioxide from fossil plant cuticles Nature. ,vol. 411, pp. 287- 290 ,(2001) , 10.1038/35077041
Yusuke Sawaki, Takahiro Kawai, Takazo Shibuya, Miyuki Tahata, Soichi Omori, Tsuyoshi Komiya, Naohiro Yoshida, Takafumi Hirata, Takeshi Ohno, Brian F. Windley, Shigenori Maruyama, 87Sr/86Sr chemostratigraphy of Neoproterozoic Dalradian carbonates below the Port Askaig Glaciogenic Formation, Scotland Precambrian Research. ,vol. 179, pp. 150- 164 ,(2010) , 10.1016/J.PRECAMRES.2010.02.021