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Bretschneider, Lisa; Hathorne, Ed C; Huang, Huang; Lübbers, Julia; Kochhann, Karlos Guilherme Diemer; Holbourn, Ann E; Kuhnt, Wolfgang; Thiede, Rasmus; Gebregiorgis, Daniel; Giosan, Liviu; Frank, Martin (2020): Nd, Sr, and Pb isotope data of IODP Site 353-U1443 measured on the detrital clay fraction. PANGAEA, https://doi.org/10.1594/PANGAEA.922759

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Abstract:
We produced orbital-scale resolution geochemical records for International Ocean Discovery Program Site U1443 cored with the RV JOIDES Resolution during IODP Expedition 353 in December 2014 in the southern Bay of Bengal. The Sr, Nd, and Pb isotope compositions of the detrital clay fractions were measured using MC-ICP-MS and span across five key climatic intervals of the middle to late Miocene (15.8 – 9.5 Million years ago). Our new radiogenic isotope time series of clays transported to the Ninetyeast Ridge allow us to distinguish tectonic and climatic forcing of monsoon intensity, weathering regime and erosion intensity of the watersheds feeding into the Bay of Bengal.
Keyword(s):
Bay of Bengal; detrital clays; Miocene; Radiogenic isotopes; Weathering
Supplement to:
Bretschneider, Lisa; Hathorne, Ed C; Huang, Huang; Lübbers, Julia; Kochhann, Karlos Guilherme Diemer; Holbourn, Ann E; Kuhnt, Wolfgang; Thiede, Rasmus; Gebregiorgis, Daniel; Giosan, Liviu; Frank, Martin (2021): Provenance and Weathering of Clays Delivered to the Bay of Bengal During the Middle Miocene: Linkages to Tectonics and Monsoonal Climate. Paleoceanography and Paleoclimatology, 36(2), https://doi.org/10.1029/2020PA003917
Coverage:
Latitude: 5.383650 * Longitude: 90.361820
Minimum Elevation: -2935.0 m * Maximum Elevation: -2935.0 m
Event(s):
353-U1443 * Latitude: 5.383650 * Longitude: 90.361820 * Elevation: -2935.0 m * Campaign: Exp353 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)
Size:
2392 data points

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