Dissolution analyses on clumped isotope signatures in planktic foraminifera from Ontong Java Plateau

The carbonate clumped isotope paleothermometer is becoming more widely used in the geosciences because it is less sensitive to solution δ 18O and Mg/Ca than other carbonate-based temperature proxies. However, dissolution effects on this paleothermometer have not yet been studied in foraminifera. This dataset presents stable and clumped isotope analyses of core-top samples from a transect at the Ontong Java Plateau. The samples span six different species of planktic foraminifera: G. ruber, T. sacculifer, G. siphonifera, N. dutertrei, P. oblquiloculata, and G. tumida. Samples span depths from 1598m above the calcite saturation horizon to 4438m. This dataset also includes samples from manual dissolution experiments on G. ruber, T. sacculifer, P. obliquiloculata, and G. tumida.

碳酸盐团簇同位素古温度计（carbonate clumped isotope paleothermometer）如今在地球科学领域的应用愈发广泛，这是因为相较于其他基于碳酸盐的温度代用指标，它对溶液δ¹⁸O及Mg/Ca比值的敏感性更低。然而，目前尚未有针对有孔虫中该古温度计的溶解效应相关研究。本数据集包含翁通爪哇海台（Ontong Java Plateau）某断面的岩芯顶部样品的稳定同位素与团簇同位素分析数据，所分析样品涵盖6种不同的浮游有孔虫：G. ruber、T. sacculifer、G. siphonifera、N. dutertrei、P. oblquiloculata及G. tumida。样品的采集深度范围为方解石饱和界面上方1598米至4438米。本数据集还包含针对G. ruber、T. sacculifer、P. obliquiloculata及G. tumida的人工溶解实验样品数据。