Siderite C-O-Fe isotope compositions, pore water geochemistry and bulk sediment parameters from the 100-m-long core TDP-1A of the ICDP Towuti Drilling Project, Lake Towuti, Indonesia

Siderite C-O-Fe isotope compositions, pore water geochemistry and bulk sediment measurements covering the 100 m-long core from drill site TDP-1A in ferruginous Lake Towuti, Indonesia. Samples were obtained during the International Continental Scientific Drilling Program (ICDP) coring operations of the Towuti Drilling Project (TDP) from May to July 2015.