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Londoño, Vanessa; Collins, Laurel S (2021): Bulk organic-carbon geochemistry, major and trace element concentrations, and microfossil abundances in Cenomanian-Turonian sediments from IODP Site 342-U1407, Southeast Newfoundland Ridge [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.938139

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Abstract:
We collected pelagic sediments from Holes A and B of IODP Site 342-U1407 that accumulated on the Southeast Newfoundland Ridge that spanned the Early Cenomanian to Early Turonian. In this study, we reconstruct the paleoceanographic changes before, during, and after Oceanic Anoxic Event 2 (OAE2) to isolate the triggers behind the widespread deposition of organic matter (OM) during this time. We combined the stable isotopes of bulk organic carbon, total organic carbon, total inorganic carbon, major and trace elements, and abundances of microfossils (benthic foraminiferal, biserial heterohelicid foraminifera, and radiolarians) to characterize the sediments. Biomarker indices were also calculated to determine the source and thermal maturity of the OM.
Keyword(s):
Cenomanian-Turonian Boundary; Micropaleontology; Oceanic Anoxic Event 2; Paleoceanography; Paleoenvironmental reconstructions; paleoproductivity
Supplement to:
Londoño, Vanessa; Collins, Laurel S (accepted): Controls on sedimentary accumulation of organic matter during Cretaceous oceanic anoxic event 2, IODP site U1407, Southeast Newfoundland Ridge. Marine Geology, 106699, https://doi.org/10.1016/j.margeo.2021.106699
Project(s):
Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)
Coverage:
Latitude: 41.424980 * Longitude: -49.813310
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
4 datasets

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Datasets listed in this bundled publication

  1. Londoño, V; Collins, LS (2021): Stable isotopes of organic and inorganic carbon from the Cenomanian-Turonian at IODP Site 342-U1407. https://doi.org/10.1594/PANGAEA.938138
  2. Londoño, V; Collins, LS (2021): Major and trace element analysis from the Cenomanian-Turonian at IODP Site 342-U1407. https://doi.org/10.1594/PANGAEA.938135
  3. Londoño, V; Collins, LS (2021): Microfossil abundance from the Cenomanian-Turonian at IODP Site 342-U1407. https://doi.org/10.1594/PANGAEA.938136
  4. Londoño, V; Collins, LS (2021): Biomarker indices from the Cenomanian-Turonian at IODP Site 342-U1407. https://doi.org/10.1594/PANGAEA.938137