On the celestite-secreting Acantharia and their effect on seawater strontium to calcium ratios
Significant variations in the Sr/Ca in waters from the eastern Indian Ocean in the vicinity of Australia, both from the surface and from shallow depth profiles, are documented. The strontium sulfate-secreting protozoans Acantharia, which are common in the upper 400 m of the oceans, especially at low latitudes, contribute substantially to changes in the Sr/Ca of oceanic waters by extracting Sr for the formation of their skeletons. Below such depths, these organisms dissolve and the Sr/Ca of...[Show more]
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