Stable isotope ratios of foraminifera in sediment core PS1458-2 from Maud Rise, Southern Ocean ...

• Main Author: Winn, Kyaw
• Format: Dataset
• Language: English
• Published: PANGAEA 2014
• Subjects: DEPTH, sediment/rock; Number of tests; Neogloboquadrina pachyderma sinistral, δ18O; Neogloboquadrina pachyderma sinistral, δ13C; Sample comment; Cibicidoides wuellerstorfi, δ18O; Cibicidoides wuellerstorfi, δ13C; Gravity corer Kiel type; Isotope ratio mass spectrometry; ANT-IV/4; Polarstern; Institute for Geosciences, Christian Albrechts University, Kiel GIK/IfG; Neogloboquadrina pachyderma; Southern Ocean
• Online Access: https://dx.doi.org/10.1594/pangaea.834971; https://doi.pangaea.de/10.1594/PANGAEA.834971

Foraminifera picked, cleaned and isotope measurements carried out on the 315-400µm size fraction (unless otherwise mentioned, *e.g. 2+3 means 2 sinistral and 3 dextral tests) by Kyaw Winn in 1986/87 with the CARBO KIEL.Massenspectrometer Finnigan MAT 251, Christian-Albrechts-University, Kiel.61 single specimen measurements not listed because of high (>0.12) sigma values.MIS stratigraphy is not possible, even with detailed sampling, because of the very low sedimentation rate and hiatuses in the sedimentary sequence. The Brunhes-Matuyama is just under 1.6m. Each sample represents a time span of 2-3 ka. Nevertheless, the carbon isotope ratios gave a good record of the nutrient history of the Southern Sea. ...