Carbonate accumulation rates of the Ninetyeast Ridge, Indian Ocean, supplement to: Brummer, Geert-Jan A; van Eijden, AJM (1992): "Blue-ocean" paleoproductivity estimates from pelagic carbonate mass accumulation rates. Marine Micropaleontology, 19(1-2), 99-117

Geert-Jan A Brummer & AJM van Eijden
More than 95% of the carbon lost from the "blue-ocean" reservoir to the sedimentary sink appears to be transferred as skeletal CaCO3, produced in the surface waters. This skeletal CaCO3 carries a productivity signal which is much better preserved in the underlying pelagic carbonate sediments than that of the refractory organic carbon accompanying it. Here, we develop a new method to quantify this signal in terms of organic carbon paleoproductivity, using the sedimentary mass accumulation...
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