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Planktic foraminifera form their shells viametastable carbonate phases

Jacob, Dorrit; Wirth, Richard; Agbaje, O B A; Branson, Oscar; Eggins, Stephen


The calcium carbonate shells of planktic foraminifera provide our most valuable geochemicalarchive of ocean surface conditions and climate spanning the last 100 million years, and playan important role in the ocean carbon cycle. These shells are preserved in marine sedimentsas calcite, the stable polymorph of calcium carbonate. Here, we show that shells of livingplanktic foraminifersOrbulina universaandNeogloboquadrina dutertreioriginally form from theunstable calcium carbonate polymorph ...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Nature Communications
DOI: 10.1038/s41467-017-00955-0
Access Rights: Open Access


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