Articles | Volume 32, issue 6
https://doi.org/10.5194/ejm-32-613-2020
https://doi.org/10.5194/ejm-32-613-2020
Research article
 | 
13 Nov 2020
Research article |  | 13 Nov 2020

Investigating crystal orientation patterns of foraminiferal tests by electron backscatter diffraction analysis

Stephanie Pabich, Christian Vollmer, and Nikolaus Gussone

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Latest update: 22 Jul 2024
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Short summary
Electron backscatter diffraction (EBSD) is a powerful tool to visualize and differentiate between foraminiferal test structures, by providing information on crystal orientation and crystal sizes. This can be used to trace diagenetic recrystallization, altering geochemical proxy signals. The sediment samples from a core from the equatorial Pacific used here, spanning the last 45 Myr, showed no evidence for foraminiferal recrystallization, highlighting the suitability as geochemical proxy archive.