Adkins, Jess F. and Griffin, Sheila and Kashgarian, Michaele and Cheng, Hai and Druffel, E. R. M. and Boyle, E. A. and Edwards, R. Lawrence and Shen, Chuan-Chou (2002) Radiocarbon dating of deep-sea corals. Radiocarbon, 44 (2). pp. 567-580. ISSN 0033-8222. https://resolver.caltech.edu/CaltechAUTHORS:20120828-100130405
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Abstract
Deep-sea corals are a promising new archive of paleoclimate. Coupled radiocarbon and U-series dates allow ^(14)C to be used as a tracer of ocean circulation rate in the same manner as it is used in the modern ocean. Diagnetic alteration of coral skeletons on the seafloor requires a thorough cleaning of contaminating phases of carbon. In addition, 10% of the coral must be chemically leached prior to dissolution to remove adsorbed modern CO_2. A survey of modern samples from the full Δ^(14)C gradient in the deep ocean demonstrates that the coralline CaCO_3 records the radiocarbon value of the dissolved inorganic carbon.
| Item Type: | Article | ||||||
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| Additional Information: | © 2002 by the Arizona Board of Regents on behalf of the University of Arizona. This work is licensed under a Creative Commons Attribution 3.0 License. | ||||||
| Subject Keywords: | leaching; modern analogs; deep sea environment; ocean circulation; Desmophyllum cristagalli; Th U; Anthozoa; Coelenterata; Atlantic Ocean; North Atlantic; marine environment; paleoclimatology; Cenozoic; Quaternary; methods; C14; carbon; isotopes; radioactive isotopes; Invertebrata; absolute age | ||||||
| Issue or Number: | 2 | ||||||
| Record Number: | CaltechAUTHORS:20120828-100130405 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120828-100130405 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 33602 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Jason Perez | ||||||
| Deposited On: | 28 Aug 2012 17:55 | ||||||
| Last Modified: | 24 Feb 2020 10:30 |
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