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Dryad

Sponge silicon isotope analyses from Triassic–Jurassic boundary samples (Levanto and Malpaso, Perú) and individual spicule analyses on modern sponges (analyzed via SIMS)

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Jan 21, 2025 version files 42.59 KB

Abstract

This dataset includes silicon isotope ratios measured on sponge spicules (δ30Si) from two sections spanning the Triassic–Jurassic boundary (Levanto and Malpaso, Perú). These data are reported in Yager et al., AJS to constrain dissolved silica in the ocean and provide some of the first quantitative constraints on the global silicon cycle during the Mid-Mesozoic.