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Kochhann, Karlos Guilherme Diemer; Kuhnt, Wolfgang; Holbourn, Ann E; Usui, Yoichi; Lübbers, Julia; Beil, Sebastian; Andersen, Nils (2021): Early to late Miocene geochemical and paleomagnetic records from International Ocean Discovery Program (IODP) Site U1443, equatorial Indian Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.926867

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Abstract:
We present benthic carbon and oxygen stable isotope, x-ray fluorescence (XRF) core scanner and paleomagnetic data for the late early to late Miocene (~18-8 Ma) interval of Integrated Ocean Discovery Program (IODP) Site U1443, equatorial Indian Ocean. Datasets were collected along the composite (spliced) section of Site U1443, with average sampling resolutions of 1 to 2 cm. Benthic stable isotopes were measured dominantly on Cibicidoides mundulus/Cibicidoides wuellerstorfi. XRF measurements are reported as elemental intensities and logarithmic ratios. Paleomagnetic declination and inclination were calculated by principal component analysis. Our datasets cover important climate events and carbon-cycle reorganizations occurred during the late early to late Miocene.
Keyword(s):
Carbonate Crash; deep water ventilation; middle Miocene cooling; Miocene Climatic Optimum; Stable isotopes; X-ray fluorescence scanning
Supplement to:
Kochhann, Karlos Guilherme Diemer; Kuhnt, Wolfgang; Holbourn, Ann E; Usui, Yoichi; Lübbers, Julia; Beil, Sebastian; Andersen, Nils (2021): Impacts of the Middle Miocene Climatic Transition on deep-water carbonate preservation and oxygenation in the equatorial Indian Ocean. Palaeogeography, Palaeoclimatology, Palaeoecology, 576, 110511, https://doi.org/10.1016/j.palaeo.2021.110511
Related to:
Holbourn, Ann E; Kuhnt, Wolfgang; Kochhann, Karlos Guilherme Diemer; Matsuzaki, Kenji M; Andersen, Nils (2022): Middle Miocene climate-carbon cycle dynamics: Keys for understanding future trends on a warmer Earth? In Aiello, I, Barron, J., and Ravelo, C., eds. Undertanding the Monterey Formation and similar biosiliceous units across space and time. Geological Society of America Special Paper 556, 1-19, https://doi.org/10.1130/2022.2556(05)
Lübbers, Julia; Kuhnt, Wolfgang; Holbourn, Ann E; Bolton, Clara T; Gray, Emmeline; Usui, Yoichi; Kochhann, Karlos Guilherme Diemer; Beil, Sebastian; Andersen, Nils (2019): The Middle to Late Miocene "Carbonate Crash" in the Equatorial Indian Ocean. Paleoceanography and Paleoclimatology, 34(5), 813-832, https://doi.org/10.1029/2018PA003482
Coverage:
Median Latitude: 5.383540 * Median Longitude: 90.361733 * South-bound Latitude: 5.383460 * West-bound Longitude: 90.361640 * North-bound Latitude: 5.383650 * East-bound Longitude: 90.361830
Size:
5 datasets

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