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Article

Electron backscatter diffraction (EBSD) as a tool for detection of coral diagenesis

Citation
Cusack M, England J, Dalbeck P, Tudhope AW, Fallick AE & Allison N (2008) Electron backscatter diffraction (EBSD) as a tool for detection of coral diagenesis. Coral Reefs, 27 (4), pp. 905-911. https://doi.org/10.1007/s00338-008-0414-3

Abstract
Fine-scale structures of intact modern and fossil coralline skeletons were analysed to determine alteration to secondary cements and phases using electron backscatter diffraction (EBSD). EBSD analysis revealed secondary aragonite cements in endolithic borings in the modern skeleton and whole dissepiments of the fossil skeleton replaced by calcite, despite X-ray diffraction (XRD) bulk analysis of the general area suggesting only aragonite was present. Non-destructive, in situ screening of coral samples by EBSD analysis provides a valuable tool for assessing the extent of alteration and can determine which areas may produce more reliable climate proxy data.

Keywords
Electron backscatter diffraction (EBSD); diagenesis; calcite; dissepiments

Journal
Coral Reefs: Volume 27, Issue 4

StatusPublished
Author(s)Cusack, Maggie; England, Jennifer; Dalbeck, Paul; Tudhope, Alexander W; Fallick, Anthony E; Allison, Nicola
Publication date31/12/2008
Publication date online15/08/2008
Date accepted by journal30/07/2008
URLhttp://hdl.handle.net/1893/25091
PublisherSpringer
ISSN0722-4028
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