Data report: Isotopic records for carbonate and organic fractions from IODP Expedition 369, Hole U1515A

Tracy M. Quan, Tao Wu, Shipboard Scientists IODP Expedition 369, Eun Young Lee

Veröffentlichungen: Beitrag in BuchBeitrag in Buch/SammelbandPeer Reviewed

Abstract

Isotopic measurements of organic carbon (δ13Corg), carbonate carbon (δ13Ccarb), and oxygen (δ18Ocarb) were made at low stratigraphic resolution on samples from International Ocean Discovery Program (IODP) Expedition 369, Hole U1515A (southeast Indian Ocean). The δ13Corg values ranged from −30.2‰ to −21.0‰, with an average of −24‰ ± 2‰, whereas δ13Ccarb values ranged from 0.5‰ to 1.4‰ with an average of 1.1‰ ± 0.3‰. Carbonate δ18Ocarb values averaged 1.1‰ ± 0.8‰ and ranged from −0.3‰ to 2.4‰. Initial plans were to use the δ13Ccarb and δ13Corg profiles to identify changes in the carbon cycle at the site and to compare local patterns to global records; however, poor core recovery and lack of solid age control limited the number of suitable samples and precluded meaningful interpretation of stratigraphic patterns.
OriginalspracheEnglisch
TitelProceedings of the International Ocean Discovery Program Volume 369
ErscheinungsortCollege Station
Herausgeber (Verlag)International Ocean Discovery Program
Band369
DOIs
PublikationsstatusVeröffentlicht - 2020

ÖFOS 2012

  • 105105 Geochemie

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