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Oxygen Isotope Fractionation in the System Dolomite-Calcite-Carbon Dioxide

O'Neil, James R. and Epstein, Samuel (1966) Oxygen Isotope Fractionation in the System Dolomite-Calcite-Carbon Dioxide. Science, 152 (3719). pp. 198-201. ISSN 0036-8075. http://resolver.caltech.edu/CaltechAUTHORS:20151209-110410805

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Abstract

Oxygen isotopes were equilibrated between carbon dioxide and calcite at four temperatures in the range 350° to 610°C and between carbon dioxide and dolomite at 350° and 400°C. Carbon of unusual isotopic composition was used as a tracer to demonstrate the nature and extent of the exchange process. Extrapolation of these data at lower temperatures indicates that at 25°C dolomite is enriched in oxygen-18 by 6.8 per mil with respect to calcite. This result indicates that those natural dolomite-calcite assemblages which show very small fractionations were not formed in isotopic equilibrium.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.152.3719.198DOIArticle
http://www.sciencemag.org/content/152/3719/198PublisherArticle
http://www.jstor.org/stable/1718728JSTORArticle
Additional Information:© 1966 American Association for the Advancement of Science. Received 7 February 1966. Supported by NSF grant No. GP 2254 and AEC contract No. AT (04-3)-427. Contribution No. 1396 of California Institute of Technology, Pasadena.
Funders:
Funding AgencyGrant Number
NSFGP 2254
Atomic Energy CommissionAT (04-3)-427
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Geological Sciences1396
Record Number:CaltechAUTHORS:20151209-110410805
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20151209-110410805
Official Citation:Oxygen Isotope Fractionation in the System Dolomite-Calcite-Carbon Dioxide James R. O'Neil and Samuel Epstein Science 8 April 1966: 152 (3719), 198-201. [DOI:10.1126/science.152.3719.198]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62740
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 Dec 2015 19:48
Last Modified:09 Dec 2015 19:48

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