Koutsodendris, Andreas (2020): XRF data and tie points from IODP Site U1478, Mozambique Channel, SW Indian Ocean [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.923289
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Published: 2020-09-30 • DOI registered: 2020-09-30
Abstract:
This dataset presents the XRF core-scanning record from International Ocean Discovery Program (IODP) Site U1478 off the Limpopo River mouth (Mozambique Channel, SW Indian Ocean) spanning the past c. 4 Ma. Site U1478 was drilled in the northernmost Natal Valley, on the Inharrime Terrace (25°49.26′ S; 34°46.16′ E) at a water depth of 488 m below sea level. The XRF core scanning of the ~257-m-long splice for Site U1478 was carried out using an Itrax Core Scanner at Lamont-Doherty Earth Observatory Core Repository, Columbia University (USA). In total, 239 sections (archive halves) were scanned at a voltage of 30 kV and a tube current of 55 mA using a Cr tube and employing an exposure time of 2 seconds. Measurement spacing was set at 2 mm, with downcore and crosscore slit sizes set at 2 mm and 2 cm, respectively. The individual element counts were normalized using the ratio of raw total counts of a given element to the total counts of all processed elements for the respective measurement position. To eliminate non-linear matrix effects and constant-sum constraints, log ratios were applied on the elemental ratios. The age model of Site U1478 is based on cyclostratigraphic analysis of the XRF-based log(Ti/Ca) record and its tuning to ice-volume, precession and eccentricity cycles.
Supplement to:
Koutsodendris, Andreas; Nakajima, Kai; Kaboth-Bahr, Stefanie; Berke, Melissa A; Franzese, Allison M; Hall, Ian R; Hemming, Sidney R; Just, Janna; LeVay, Leah J; Pross, Jörg; Robinson, Rebecca (2021): A Plio-Pleistocene (c. 0–4 Ma) cyclostratigraphy for IODP Site U1478 (Mozambique Channel, SW Indian Ocean): Exploring an offshore record of paleoclimate and ecosystem variability in SE Africa. Newsletters on Stratigraphy, 54(2), 159-181, https://doi.org/10.1127/nos/2020/0608
Project(s):
Coverage:
Latitude: -25.821000 * Longitude: 34.769000
Date/Time Start: 2016-03-17T01:25:00 * Date/Time End: 2016-03-17T01:25:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
2 datasets
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Datasets listed in this bundled publication
- Koutsodendris, A (2020): Tie points from IODP Site U1478, Mozambique Channel, SW Indian Ocean. https://doi.org/10.1594/PANGAEA.923147
- Koutsodendris, A (2020): XRF data from IODP Site U1478, Mozambique Channel, SW Indian Ocean. https://doi.org/10.1594/PANGAEA.923288