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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Crystallography of craniid brachiopods by electron backscatter diffraction (EBSD)
Author(s): Pérez-Huerta, Alberto
England, Jennifer
Cusack, Maggie
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Keywords: Brachiopoda
Novocrania anomala
Novocrania huttoni
secondary layer
Issue Date: Sep-2007
Date Deposited: 3-Mar-2017
Citation: Pérez-Huerta A, England J & Cusack M (2007) Crystallography of craniid brachiopods by electron backscatter diffraction (EBSD). Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 98 (3-4), pp. 437-442.
Abstract: Electronbackscatter diffraction (EBSD) is used to determine the detailed crystallographic orientation of calcite crystals of craniid brachiopods in the context of shell ultrastructure. Sections of shells of two Recent species, Novocrania anomala and Novocrania huttoni, are analysed to provide 3D crystallographic patterns at high spatial resolution. The c-axis of semi-nacre calcite crystals is oriented parallel to the laminae that define the ultrastructure of the secondary layer. This orientation differs from that of rhynchonelliform calcitic brachiopods where the c-axis is perpendicular to the length of morphological fibres and to the shell exterior.
DOI Link: 10.1017/S1755691007079832
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