Woolum, D. S. and Burnett, D. S. and Benjamin, T. M. and Rogers, P. S. Z. and Duffy, C. J. and Maggiore, C. J. (1987) Trace element contents of primitive meteorites; A test of solar system abundance smoothness. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 22 (1-3). pp. 376-379. ISSN 0168-583X. doi:10.1016/0168-583X(87)90362-4. https://resolver.caltech.edu/CaltechAUTHORS:20150507-072439341
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Abstract
Elemental abundances from Cl carbonaceous chondrite meteorites are thought to represent the average solar system (“cosmic”) composition, based on the agreement between Cl and solar photospheric abundances and on the smoothness of heavy element abundances of odd mass nuclei when plotted as a function of mass number. To test Cl elemental smoothness, we have analyzed Cl meteorites, using conventional PIXE (proton probe) techniques, where we have good sensitivity for the range of elements: Ni to Mo. Preliminary analyses indicate that elemental smoothness is only approximate, with possible deviations of 30% to perhaps even 50%. This may be due to chemical fractionation. Alternatively, explanations for nonsmooth behavior may be understandable with the aid of general ideas of n-capture nucleosynthesis. As Cl abundances are refined, it could be that the lack of elemental smoothness may provide the strongest argument for the identification of Cl with primordial solar system abundances.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1987 Elsevier Science Publishers B.V. | |||||||||
| Group: | UNSPECIFIED, Division of Geological and Planetary Sciences | |||||||||
| Issue or Number: | 1-3 | |||||||||
| DOI: | 10.1016/0168-583X(87)90362-4 | |||||||||
| Record Number: | CaltechAUTHORS:20150507-072439341 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150507-072439341 | |||||||||
| Official Citation: | Dorothy S. Woolum, Donald S. Burnett, T.M. Benjamin, P.S.Z. Rogers, C.J. Duffy, C.J. Maggiore, Trace element contents of primitive meteorites; A test of solar system abundance smoothness, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 22, Issues 1–3, 3 March 1987, Pages 376-379, ISSN 0168-583X, http://dx.doi.org/10.1016/0168-583X(87)90362-4. (http://www.sciencedirect.com/science/article/pii/0168583X87903624) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 57311 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 08 May 2015 04:51 | |||||||||
| Last Modified: | 10 Nov 2021 21:10 |
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