Hamza, M. S. and Epstein, S. (1980) Oxygen isotopic fractionation between oxygen of different sites in hydroxyl-bearing silicate minerals. Geochimica et Cosmochimica Acta, 44 (2). pp. 173-182. ISSN 0016-7037. doi:10.1016/0016-7037(80)90129-5. https://resolver.caltech.edu/CaltechAUTHORS:20131112-141002468
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Abstract
A method has been developed for extraction of hydroxyl oxygen from hydroxyl-bearing silicate minerals for oxygen isotopic analysis. The δO^(18) of oxygen of the OH groups is significantly different from that in the rest of the mineral structure. The isotopic fractionation between the two types of sites has the potential to be a sensitive geothermometer. Several δO^(18) values were obtained for oxygen of the OH attached to different silicate structures as well as for two muscovite samples with quantitatively estimated different temperatures of formation. The 1000 In α (mineral-OH) values ranged from 5.2‰ for muscovite to about 12.6‰ for kaolinite and chlorite.
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| Additional Information: | © 1980 Pergamon Press Ltd. Received 23 June 1978; accepted in revised form 24 September 1979. We wish to acknowledge the constructive criticisms of S. M. SAVIN and fruitful discussions with H. P. TAYLOR and L. T. SILVER. This research was supported by NSF Grant No. EAR78-16873. | |||||||||
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| Issue or Number: | 2 | |||||||||
| DOI: | 10.1016/0016-7037(80)90129-5 | |||||||||
| Record Number: | CaltechAUTHORS:20131112-141002468 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20131112-141002468 | |||||||||
| Official Citation: | M.S. Hamza, S. Epstein, Oxygen isotopic fractionation between oxygen of different sites in hydroxyl-bearing silicate minerals, Geochimica et Cosmochimica Acta, Volume 44, Issue 2, February 1980, Pages 173-182, ISSN 0016-7037, http://dx.doi.org/10.1016/0016-7037(80)90129-5. (http://www.sciencedirect.com/science/article/pii/0016703780901295) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 42397 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 12 Nov 2013 22:36 | |||||||||
| Last Modified: | 10 Nov 2021 16:22 |
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