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New views of plant fossils from Antarctica: a comparison of X-ray and neutron imaging techniques

Dawson, Martin; Francis, Jane; Carpenter, Rosemary. 2014 New views of plant fossils from Antarctica: a comparison of X-ray and neutron imaging techniques. Journal of Paleontology, 88 (4). 702-707. 10.1666/13-124

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Abstract/Summary

A fossil plant of Eocene age from Antarctica was studied using X-ray and neutron tomography to reveal the three-dimensional plant structures encased within carbonate nodules. The fossil was identified as a branch and leaves of an araucarian conifer, which grew on the volcanic highlands of the Antarctic Peninsula region approximately 50 million yr ago. Both X-ray and neutron imaging techniques successfully exposed the full three-dimensional structure of the fossil without destroying the original specimen, revealing that most of the fossil was present as voids in the concretion and little organic matter was present. However, neutron tomography was found to produce images with superior quality and detail.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1666/13-124
Programmes: BAS Programmes > Polar Science for Planet Earth (2009 - ) > Environmental Change and Evolution
ISSN: 0022-3360
NORA Subject Terms: Botany
Date made live: 15 Jul 2014 10:37 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/507830

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