Oxygen and Carbon Isotopes from Calcareous Nannofossils as Paleoceanographic Indicators
- 15 August 1975
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 189 (4202) , 555-557
- https://doi.org/10.1126/science.189.4202.555
Abstract
Oxygen-18 and carbon-13 analyses of well-preserved calcareous nannofossils have been compared with those of foraminifera contained in Cenozoic cores collected in the Southern Ocean during the Deep Sea Drilling Project. The results indicate that calcareous nannofossils deposit calcium carbonate at or near equilibrium with oceanic surface waters and that they can be used as paleotemperature indicators.Keywords
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