Pleistocene-Pliocene strontium-isotope ratios of ODP Site 107-653 (Table 1), supplement to: McKenzie, Judith A; Palmer, Sarah C; Mueller, Paul A (1990): Strontium isotope stratigraphy of the Pliocene-Pleistocene ''Deep-Sea Type Section'' at ODP Hole 653A. In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 401-404

Judith A McKenzie, Sarah C Palmer & Paul A Mueller
Strontium isotopic determinations were made on samples from the Pliocene-Pleistocene sequence recovered at ODP Hole 653A, the proposed "deep-sea type section" for the Mediterranean region. Biostratigraphic correlations can be combined with the patterns of variations in the 87Sr/86Sr values to delineate the following: (1) the earliest Pliocene (MP11 to basal MP12 zones) is distinguished by fluctuations in the ratio, probably related to the unstable paleoceanographic conditions following the Zanclean flooding and initial in-filling of the...
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