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Studies on Lower devonian petrifactions from Britain. 1. Pyritised axes of Hostinella from the Brecon Beacons Quarry, Powys, South Wales

Edwards, Dianne 1980. Studies on Lower devonian petrifactions from Britain. 1. Pyritised axes of Hostinella from the Brecon Beacons Quarry, Powys, South Wales. Review of Palaeobotany and Palynology 29 , pp. 189-200. 10.1016/0034-6667(80)90058-5

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Abstract

A new species, Hostinella heardii, is based on compression and petrifaction fossils from the Senni Beds of the Brecon Beacons, Powys, South Wales. Incident light and scanning electron microscopy (SEM) studies on the iron sulphite (pyrites) petrifactions have provided anatomical details of the xylem and outer cortical region; the former consisting of close-set annular tracheids. An analysis of the composition of individual cells provides some insight into the sequence of events occurring during the petrifaction process. The affinites of the sterile axes are discussed, particularly in relation to Krithodeophyton croftii Edwards also found at the locality.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Subjects: Q Science > QE Geology
Q Science > QK Botany
Publisher: Elsevier
ISSN: 0034-6667
Last Modified: 04 Jun 2017 02:09
URI: http://orca.cf.ac.uk/id/eprint/10191

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