Sr, Nd, and Pb isotope geochemistry of ODP Hole 104-642E, supplement to: Taylor, Paul N; Morton, Andrew C (1989): Sr, Nd, and Pb isotope geochemistry of the upper and lower volcanic series at Site 642. In: Eldholm, O; Thiede, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 104, 429-435

Paul N Taylor & Andrew C Morton
ODP Leg 104 recovered 914 m of volcanics at Site 642 on the Vøring Plateau in the Norwegian Sea. The upper series of these volcanics correlates with seaward-dipping seismic reflectors (DRS), and is tholeiitic in character. The lower series underlies the DRS and is broadly andesitic in character. Rb-Sr, Sm-Nd, and Pb isotopic analyses show that upper series samples have isotopic features characteristic of MORB, except for one dike sample that has a Pb isotopic...
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