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Littérature scientifique sur le sujet « Astrochronology »

Auteur : Grafiati

Publié le 14 mars 2023

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Articles de revues sur le sujet "Astrochronology"

Okada, Makoto. « A commentary on ^|^ldquo;Astrochronology^|^rdquo ; ». Journal of the Sedimentological Society of Japan 47, n^o 47 (1998) : 113–18. http://dx.doi.org/10.4096/jssj1995.47.113.

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FISCHER, ALFRED G., FREDERIK J. HILGEN et ROBERT E. GARRISON. « Mediterranean contributions to cyclostratigraphy and astrochronology ». Sedimentology 56, n^o 1 (janvier 2009) : 63–94. http://dx.doi.org/10.1111/j.1365-3091.2008.01011.x.

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Zeebe, Richard E., et Lucas J. Lourens. « Solar System chaos and the Paleocene–Eocene boundary age constrained by geology and astronomy ». Science 365, n^o 6456 (29 août 2019) : 926–29. http://dx.doi.org/10.1126/science.aax0612.

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Astronomical calculations reveal the Solar System’s dynamical evolution, including its chaoticity, and represent the backbone of cyclostratigraphy and astrochronology. An absolute, fully calibrated astronomical time scale has hitherto been hampered beyond ~50 million years before the present (Ma) because orbital calculations disagree before that age. Here, we present geologic data and a new astronomical solution (ZB18a) showing exceptional agreement from ~58 to 53 Ma. We provide a new absolute astrochronology up to 58 Ma and a new Paleocene–Eocene boundary age (56.01 ± 0.05 Ma). We show that the Paleocene–Eocene Thermal Maximum (PETM) onset occurred near a 405-thousand-year (kyr) eccentricity maximum, suggesting an orbital trigger. We also provide an independent PETM duration (170 ± 30 kyr) from onset to recovery inflection. Our astronomical solution requires a chaotic resonance transition at ~50 Ma in the Solar System’s fundamental frequencies.

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Huang, Chunju, James G. Ogg et David B. Kemp. « Cyclostratigraphy and astrochronology : Case studies from China ». Palaeogeography, Palaeoclimatology, Palaeoecology 560 (décembre 2020) : 110017. http://dx.doi.org/10.1016/j.palaeo.2020.110017.

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Drury, Anna Joy, Thomas Westerhold, David Hodell et Ursula Röhl. « Reinforcing the North Atlantic backbone : revision and extension of the composite splice at ODP Site 982 ». Climate of the Past 14, n^o 3 (8 mars 2018) : 321–38. http://dx.doi.org/10.5194/cp-14-321-2018.

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Abstract. Ocean Drilling Program (ODP) Site 982 represents a key location for understanding the evolution of climate in the North Atlantic over the past 12 Ma. However, concerns exist about the validity and robustness of the underlying stratigraphy and astrochronology, which currently limits the adequacy of this site for high-resolution climate studies. To resolve this uncertainty, we verify and extend the early Pliocene to late Miocene shipboard composite splice at Site 982 using high-resolution XRF core scanning data and establish a robust high-resolution benthic foraminiferal stable isotope stratigraphy and astrochronology between 8.0 and 4.5 Ma. Splice revisions and verifications resulted in ∼ 11 m of gaps in the original Site 982 isotope stratigraphy, which were filled with 263 new isotope analyses. This new stratigraphy reveals previously unseen benthic δ18O excursions, particularly prior to 6.65 Ma. The benthic δ18O record displays distinct, asymmetric cycles between 7.7 and 6.65 Ma, confirming that high-latitude climate is a prevalent forcing during this interval. An intensification of the 41 kyr beat in both the benthic δ13C and δ18O is also observed ∼ 6.4 Ma, marking a strengthening in the cryosphere–carbon cycle coupling. A large ∼ 0.7 ‰ double excursion is revealed ∼ 6.4–6.3 Ma, which also marks the onset of an interval of average higher δ18O and large precession and obliquity-dominated δ18O excursions between 6.4 and 5.4 Ma, coincident with the culmination of the late Miocene cooling. The two largest benthic δ18O excursions ∼ 6.4–6.3 Ma and TG20/22 coincide with the coolest alkenone-derived sea surface temperature (SST) estimates from Site 982, suggesting a strong connection between the late Miocene global cooling, and deep-sea cooling and dynamic ice sheet expansion. The splice revisions and revised astrochronology resolve key stratigraphic issues that have hampered correlation between Site 982, the equatorial Atlantic and the Mediterranean. Comparisons of the revised Site 982 stratigraphy to high-resolution astronomically tuned benthic δ18O stratigraphies from ODP Site 926 (equatorial Atlantic) and Ain el Beida (north-western Morocco) show that prior inconsistencies in short-term excursions are now resolved. The identification of key new cycles at Site 982 further highlights the requirement for the current scheme for late Miocene marine isotope stages to be redefined. Our new integrated deep-sea benthic stable isotope stratigraphy and astrochronology from Site 982 will facilitate future high-resolution late Miocene to early Pliocene climate research.

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Gong, Zheng, et Mingsong Li. « Astrochronology of the Ediacaran Shuram carbon isotope excursion, Oman ». Earth and Planetary Science Letters 547 (octobre 2020) : 116462. http://dx.doi.org/10.1016/j.epsl.2020.116462.

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Hüsing, S. K., A. Cascella, F. J. Hilgen, W. Krijgsman, K. F. Kuiper, E. Turco et D. Wilson. « Astrochronology of the Mediterranean Langhian between 15.29 and 14.17Ma ». Earth and Planetary Science Letters 290, n^o 3-4 (février 2010) : 254–69. http://dx.doi.org/10.1016/j.epsl.2009.12.002.

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Meyers, Stephen R. « Seeing red in cyclic stratigraphy : Spectral noise estimation for astrochronology ». Paleoceanography 27, n^o 3 (septembre 2012) : n/a. http://dx.doi.org/10.1029/2012pa002307.

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Wu, Huaichun, Shihong Zhang, Ganqing Jiang, Tianshui Yang, Junhua Guo et Haiyan Li. « Astrochronology for the Early Cretaceous Jehol Biota in northeastern China ». Palaeogeography, Palaeoclimatology, Palaeoecology 385 (septembre 2013) : 221–28. http://dx.doi.org/10.1016/j.palaeo.2013.05.017.

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Baksi, Ajoy K. « Concordant sea-floor spreading rates obtained from geochronology, astrochronology and space geodesy ». Geophysical Research Letters 21, n^o 2 (15 janvier 1994) : 133–36. http://dx.doi.org/10.1029/93gl03534.

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Thèses sur le sujet "Astrochronology"

FABBRINI, ALESSIO. « Biostratigraphy, Paleoecology and Astrochronology of early Miocene planktonic foraminifera from the Mediterranean and the North Atlantic Ocean : new perspectives on the Burdigalian GSSP ». Doctoral thesis, Università di Siena, 2019. http://hdl.handle.net/11365/1074571.

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This thesis investigates the early Miocene planktonic foraminifera from two sections Contessa section (Italy) and IODP Site U1406 (Newfoundland, Canada), to contribute to the open question of the Aquitanian/Burdigalian boundary. The Burdigalian stage lacks an official Global Stratotype Section and Point, and its base is provisionally set at 20.43 Ma and approximated by the calcareous nannofossil Helicosphaera ampliaperta FO. Following an integrated biostratigraphic approach, the results obtained from the two sections are reported and discussed in the manuscripts contained in this dissertation. For both sections, a new age model is proposed and their semiquantitative and quantitative analyses are presented for planktonic foraminifera, calcareous nannofossils and magnetostratigraphy. After the recognition of two hiatuses in the second section (Site U1406) other studies were performed, for a paleoecological characterisation of the planktonic foraminifera (with statistical analyses) and then a preliminary cyclostratigraphic study. This final and fourth study will eventually lead to the astronomical tuning of the Site and of the bioevents therein recognised. The successful correlation of the hiatuses to regional megahiatuses allowed us to investigate the early Neogene climate evolution from the perspective of the planktonic foraminifera assemblages. In conclusion, the Contessa section is correlated with other reference sections for the early Miocene. The first correlation was with the Santa Croce di Arcevia Section, which used to be the most complete lower Miocene section in the Mediterranean area (before its closure). The second correlation presented is with the IODP Site U1406 in order to compare the different results obtained from the Mediterranean and the North Atlantic integrated biostratigraphy. A third and final correlation is presented between the two sections here studied and the ODP Hole 926B (in the equatorial Atlantic at Ceara Rise), which is retained a reference section for biostratigraphic and chronostratigraphic schemes. These correlations also permit to enlighten the potentials of the Contessa section as a GSSP candidate for the Burdigalian stage. Concerning the Aquitanian/Burdigalian boundary as defined at the present day by the ICS, the Contessa Section contains such limit at 19.77 m where the calcareous nannofossil Helicosphaera ampliaperta first occurs. The integrated analysis allowed me to document such event in its standard stratigraphic position, within Chron C6Aar1n and occurring coherently with the other biomarkers of both foraminiferal and calcareous nannofossil biostratigraphy.

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Vahlenkamp, Maximilian [Verfasser], Heiko [Akademischer Betreuer] [Gutachter] Pälike et Lucas [Gutachter] Lourens. « Middle Eocene Paleoceanography and Astrochronology in the Western North Atlantic / Maximilian Vahlenkamp ; Gutachter : Heiko Pälike, Lucas Lourens ; Betreuer : Heiko Pälike ». Bremen : Staats- und Universitätsbibliothek Bremen, 2017. http://d-nb.info/114376577X/34.

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Livres sur le sujet "Astrochronology"

Cyclostratigraphy and Astrochronology. Elsevier, 2018. http://dx.doi.org/10.1016/s2468-5178(18)x0002-1.

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Montenari, Michael. Cyclostratigraphy and Astrochronology. Elsevier Science & Technology Books, 2018.

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Cyclostratigraphy and Astrochronology, Volume 3. Academic Press, 2018.

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Chapitres de livres sur le sujet "Astrochronology"

Martinez, Mathieu, Jean-François Deconinck, Pierre Pellenard, Stéphane Reboulet et Laurent Riquier. « Astrochronology of the Valanginian Stage from GSSP Candidates and Hypostratotype ». Dans Springer Geology, 209–12. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04364-7_42.

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Laskar, J. « Astrochronology ». Dans Geologic Time Scale 2020, 139–58. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-824360-2.00004-8.

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Hinnov, L. A., et F. J. Hilgen. « Cyclostratigraphy and Astrochronology ». Dans The Geologic Time Scale, 63–83. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-444-59425-9.00004-4.

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Strasser, André. « Cyclostratigraphy of Shallow-Marine Carbonates – Limitations and Opportunities ». Dans Cyclostratigraphy and Astrochronology, 151–87. Elsevier, 2018. http://dx.doi.org/10.1016/bs.sats.2018.07.001.

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Bádenas, Beatriz, et Marcos Aurell. « The Down-dip Preferential Sequence Record of Orbital Cycles in Greenhouse Carbonate Ramps ». Dans Cyclostratigraphy and Astrochronology, 285–325. Elsevier, 2018. http://dx.doi.org/10.1016/bs.sats.2018.07.002.

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Kietzmann, Diego A., Maria Paula Iglesia Llanos et Melisa Kohan Martínez. « Astronomical Calibration of the Tithonian – Berriasian in the Neuquén Basin, Argentina ». Dans Cyclostratigraphy and Astrochronology, 327–55. Elsevier, 2018. http://dx.doi.org/10.1016/bs.sats.2018.07.003.

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Al-Husseini, Moujahed. « Arabian Orbital Sequences ». Dans Cyclostratigraphy and Astrochronology, 219–64. Elsevier, 2018. http://dx.doi.org/10.1016/bs.sats.2018.08.001.

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Martinez, Mathieu. « Mechanisms of Preservation of the Eccentricity and Longer-term Milankovitch Cycles in Detrital Supply and Carbonate Production in Hemipelagic Marl-Limestone Alternations ». Dans Cyclostratigraphy and Astrochronology, 189–218. Elsevier, 2018. http://dx.doi.org/10.1016/bs.sats.2018.08.002.

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Götz, Annette E., et Ákos Török. « Muschelkalk Ramp Cycles Revisited ». Dans Cyclostratigraphy and Astrochronology, 265–84. Elsevier, 2018. http://dx.doi.org/10.1016/bs.sats.2018.08.003.

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Hinnov, Linda A. « Cyclostratigraphy and Astrochronology in 2018 ». Dans Cyclostratigraphy and Astrochronology, 1–80. Elsevier, 2018. http://dx.doi.org/10.1016/bs.sats.2018.08.004.

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Actes de conférences sur le sujet "Astrochronology"

Trayler, Robin, Mark Schmitz, Mark Schmitz, Stephen R. Meyers et Stephen R. Meyers. « BAYESIAN INTEGRATION OF ASTROCHRONOLOGY AND RADIOISOTOPE GEOCHRONOLOGY ». Dans GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-379135.

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Hinnov, Linda A., Alfred G. Fischer, Alessandro Grippo, Stan C. Teerman et M'bark Baddouh. « EOCENE CYCLOSTRATIGRAPHY AND ASTROCHRONOLOGY : THE GREEN RIVER FORMATION (BRIDGER BASIN, WYOMING) ». Dans GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-339038.

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Sullivan, Nicholas B., Stephen R. Meyers, Peter M. Sadler, James S. Crampton, R. Levy et Robert McKay. « HIGH-RESOLUTION EARTH HISTORY : A SYNTHESIS OF ASTROCHRONOLOGY AND CONSTRAINED OPTIMIZATION (CONOP) ». Dans GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-323399.

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Tuskes, K. « CYCLOSTRATIGRAPHY AND ASTROCHRONOLOGY OF THE LATE DEVONIAN KELLWASSER CRISIS, NORTHERN APPALACHIAN BASIN, USA ». Dans Joint 52nd Northeastern Annual Section and 51st North-Central Annual GSA Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017ne-290054.

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Sullivan, Nicholas, Peter M. Sadler, Georgia Grant, Stephen R. Meyers, James S. Crampton, Richard H. Levy et Robert M. McKay. « STRATEGIES FOR THE INTEGRATION OF ASTROCHRONOLOGY AND CONSTRAINED OPTIMIZATION (CONOP) IN THE SOUTHERN OCEAN ». Dans GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-383410.

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Stauffer, Eric, M. Elliot Smith et Kelly Vote. « PENNSYLVANIAN-PERMIAN LITHOSTRATIGRAPHY AND ASTROCHRONOLOGY OF THE WESTERN LAURENTIAN MARGIN, CALIFORNIA AND NEVADA, USA ». Dans GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-382952.

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Margulis-Ohnuma, Miranda, Clara Chang, Jessica H. Whiteside et Paul E. Olsen. « TOWARD A CARNIAN ASTROCHRONOLOGY IN THE PALEOEQUATORIAL RICHMOND RIFT BASIN (VA) USING XRF GEOCHEMISTRY ». Dans GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-377558.

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Li, Mingsong, Chunju Huang, Linda A. Hinnov, Weizhe Chen et Wei Tian. « ASTROCHRONOLOGY OF THE ANISIAN STAGE (MIDDLE TRIASSIC) IN SOUTH CHINA : IMPLICATIONS FOR BIOTIC RECOVERY FOLLOWING THE END-PERMIAN MASS EXTINCTION ». Dans GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-282845.

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Olsen, Paul E., Phillip Huber, Nicholas G. McDonald et Dennis Kent. « ASTROCHRONOLOGY AND CORRELATION OF JURASSIC STRATA OF THE DEERFIELD RIFT BASIN (MASSACHUSETTS, USA) IN RELATION TO MAJOR DINOSAUR FOOTPRINT-BEARING LEVELS ». Dans Northeastern Section-56th Annual Meeting-2021. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021ne-361893.

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Mitchell, Ross N., Uwe Kirscher, Marcus Kunzmann, Yebo Liu et Grant M. Cox. « GULF OF NUNA : ASTROCHRONOLOGIC CORRELATION OF A MESOPROTEROZOIC OCEANIC EUXINIC EVENT ». Dans GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-355751.

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