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Dunlea, Ann G; Giosan, Liviu; Huang, Yongsong (2020): Organic geochemistry of Pliocene sediments in the core monsoon zone on the Indian Peninsula [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.925085

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Published: 2020-11-23 • DOI registered: 2020-12-22

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Abstract:
Inorganic analyses of major, trace, and rare earth element concentrations for 30 bulk sediment samples at Site U1445 and additional samples from other sites in the Bay of Bengal for reference. Bulk sediment samples were freeze-dried and hand-powdered in an agate mortar and pestle prior to flux fusion for analyses of major elements with ICP-ES and an acid cocktail digestions for analyses of trace and rare earth elements on ICP-MS (Dunlea et al., 2015, doi:10.1002/2015PA002829).
Analyses of 57 bulk sediment samples from Site U1445 for bulk calcium carbonate, total organic carbon, total carbon, total acidified nitrogen, carbon isotopes of the total organic carbon, and the designation of visually lighter versus darker samples at similar depths.
Hydrogen isotopes and carbon isotope analyses of leaf wax fatty acids extracted from 57 samples at Site U1445. Measurements from fatty acid chainlengths C26, C28, and C30 are reported with their standard deviation. The correction for C3-C4 physiological differences in the hydrogen isotopes of C30 fatty acids is reported, estimating C3 vegetation as having a δ13C of -35.4 ‰ and C4 vegetation as -21.4‰.
Keyword(s):
Bay of Bengal; C4 expansion; Carbon isotopes; Expedition 353; Hydrogen isotopes; Indian Monsoon; IODP; Mahanadi Basin; paleoclimatology; Paleo-monsoon; Pliocene; South Asian Monsoon
Supplement to:
Dunlea, Ann G; Giosan, Liviu; Huang, Yongsong (accepted): Pliocene expansion of C4 vegetation in the core monsoon zone on the Indian Peninsula. Climate of the Past
Project(s):
Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)
Coverage:
Median Latitude: 17.740297 * Median Longitude: 84.794972 * South-bound Latitude: 14.000090 * West-bound Longitude: 82.683450 * North-bound Latitude: 20.270080 * East-bound Longitude: 85.884139
Date/Time Start: 2015-11-14T00:00:00 * Date/Time End: 2015-11-14T00:00:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Dunlea, AG; Giosan, L; Huang, Y (2020): Carbon and nitrogen geochemistry of IODP Site 353-U1445. https://doi.org/10.1594/PANGAEA.925083
  2. Dunlea, AG; Giosan, L; Huang, Y (2020): Hydrogen isotopes and carbon isotope analyses of leaf wax fatty acids extracted from samples at IODP Site 353-U1445. https://doi.org/10.1594/PANGAEA.925084
  3. Dunlea, AG; Giosan, L; Huang, Y (2020): Inorganic analyses of major, trace, and rare earth element concentrations for 30 bulk sediment samples at Site U1445 and additional samples from other sites in the Bay of Bengal. https://doi.org/10.1594/PANGAEA.925082