Geochemistry of basement carbonates from ODP Site 801 in the western Pacific Ocean, supplement to: Kelley, Katherine A; Plank, Terry; Farr, Linda; Ludden, John N; Staudigel, Hubert (2005): Subduction cycling of U, Th, and Pb. Earth and Planetary Science Letters, 234(3-4), 369-383

Katherine A Kelley, Terry Plank, Linda Farr, John N Ludden & Hubert Staudigel
Many studies argue, based partly on Pb isotopic evidence, that recycled, subducted slabs reside in the mantle source of ocean island basalts (OIB) (Hofmann and White, 1982, doi:10.1016/0012-821X(82)90161-3; Weaver, 1991 doi:10.1016/0012-821X(91)90217-6; Lassiter, and Hauri, 1998, doi:10.1016/S0012-821X(98)00240-4). Such models, however, have remained largely untested against actual subduction zone inputs, due to the scarcity of comprehensive measurements of both radioactive parents (Th and U) and radiogenic daughter (Pb) in altered oceanic crust (AOC). Here, we discuss new,...
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