This dataset lists the results of stable oxygen and carbon isotope measurements (in ‰ VPDB), and trace element analysis (Mg/Ca ratios in mmol mol-1) from Ocean Drilling Program (ODP) Sites 1209 and 1210 (32°13.420'N, 158°15.5623'E, 2573 water depth, Expedition 198, Shatsky Rise). Stable isotopes were analyzed using a ThermoFinnigan MAT253Plus gas source mass spectrometer equipped with a Thermo Fisher Scientific KIEL IV carbonate device. Values are reported relative to the VPDB through the analysis of an in-house standard (Solnhofen limestone) calibrated to IAEA-603 (Heidelberg) and NBS-19 (Bremen). Mg/Ca ratios were analyzed using a Agilent Inductively Coupled Plasma-Optical Emission Spectrometer (ICP-OES) 720. Mg/Ca data was normalised relative to the ECRM752-1 standard.