Supplement to: Sarnthein, Michael; Tiedemann, Ralf (1989): Toward a high-resolution stable isotope stratigraphy of the last 3.4 million years: Sites 658 and 659 off Northwest Africa. In: Ruddiman, W; Sarnthein, M; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 108, 167-185, https://doi.org/10.2973/odp.proc.sr.108.159.1989