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HomeMIT 12.742 Marine Chemistry, Fall 2006 (Selected Lectures)Session 20: Early Diagenesis II and Sediment Distributions

Session 20: Early Diagenesis II and Sediment Distributions

1:20:51

The lecture examines the two most abundant biogenic components of marine sediments—biogenic opal (silica) and calcium carbonate (CaCO₃)—and explains how they dissolve, preserve, and interact within ocean sediments. Both play major roles in paleoceanography, sediment diagenesis, and global biogeochemical cycles.