Nondestructive, in situ, Cellular-scale Mapping of Elemental Abundances Including Organic Carbon in Permineralized Fossils

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Nondestructive, in situ, Cellular-scale Mapping of Elemental Abundances Including Organic Carbon in Permineralized Fossils

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Title: Nondestructive, in situ, Cellular-scale Mapping of Elemental Abundances Including Organic Carbon in Permineralized Fossils
Author: Hazen, Robert M.; Boyce, C. Kevin; Knoll, Andrew

Note: Order does not necessarily reflect citation order of authors.

Citation: Boyce, C. K., R. M. Hazen, and A. H. Knoll. 2001. Nondestructive, in situ, cellular-scale mapping of elemental abundances including organic carbon in permineralized fossils. Proceedings of the National Academy of Sciences of the United States of America 98 (11):5970-5974.
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Abstract: The electron microprobe allows elemental abundances to be mapped at the µm scale, but until now high resolution mapping of light elements has been challenging. Modifications of electron microprobe procedure permit fine-scale mapping of carbon. When applied to permineralized fossils, this technique allows simultaneous mapping of organic material, major matrix-forming elements, and trace elements with µm-scale resolution. The resulting data make it possible to test taphonomic hypotheses for the formation of anatomically preserved silicified fossils, including the role of trace elements in the initiation of silica precipitation and in the prevention of organic degradation. The technique allows one to understand the localization of preserved organic matter before undertaking destructive chemical analyses and, because it is nondestructive, offers a potentially important tool for astrobiological investigations of samples returned from Mars or other solar system bodies.
Published Version: http://dx.doi.org/10.1073/pnas.101130598
Other Sources: http://penmelts.geology.washington.edu/people/boyce_reprints/2001PNASElectronProbe.pdf
http://geosci.uchicago.edu/people/boyce_reprints/2001PNASElectronProbe.pdf
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:3294433

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  • FAS Scholarly Articles [7220]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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