Isotopic analyses of Ordovician-Silurian siliceous skeletons indicate silica-depleted Paleozoic oceans

Trower, E.J., Strauss, J.V., Sperling, E.A., Fischer, W.W. (2021). Isotopic analyses of Ordovician-Silurian siliceous skeletons indicate silica-depleted Paleozoic oceans. Geobiology

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