Imbrie, John D; McIntyre, Andrew (2006): SPECMAP time scale developed by Imbrie et al., 1984 based on normalized planktonic records (normalized O-18 vs time, specmap.017). PANGAEA, https://doi.org/10.1594/PANGAEA.441706
Always quote citation above when using data! You can download the citation in several formats below.
Imbrie, John D; McIntyre, Andrew; Mix, Alan C (1989): Oceanic response to orbital forcing in the late Quaternary: observational and experimental strategies. In: Berger, A; Schneider, S H & Duplessy, J C (eds.), Climate and Geosciences, A Challenge for Science and Society in the 21th Century. Boston (Kluwer Academic), 121-164, https://doi.org/10.1007/978-94-009-2446-8_7
This chronology is the basic control for the age models developed in Imbrie et al., 1989 and McIntyre et al., 1989.
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