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dc.contributor.authorRutter, Ernest
dc.contributor.authorWallis, David
dc.contributor.authorKosiorek, Kamil
dc.date.accessioned2022-06-01T23:30:11Z
dc.date.available2022-06-01T23:30:11Z
dc.date.issued2022
dc.identifier.issn2076-3263
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/337666
dc.description.abstract<jats:p>Electron backscatter diffraction (EBSD) was used to determine the orientation of mechanically twinned grains in Carrara marble experimentally deformed to a small strain (≤4%) at room temperature and at a moderate confining pressure (225 MPa). The thicknesses of deformation twins were mostly too small to permit determination of their orientation by EBSD but it proved possible to measure their orientations by calculating possible twin orientations from host grain orientation, then comparing calculated traces to the observed twin traces. The validity of the Turner &amp; Weiss method for principal stress orientations was confirmed, particularly when based on calculation of resolved shear stress. Methods of paleopiezometry based on twinned volume fraction were rejected but a practical approach is explored based on twin density. However, although twin density correlates positively with resolved shear stress, there is intrinsic variability due to unconstrained variables such as non-uniform availability of twin nucleation sites around grain boundaries that imposes a limit on the achievable accuracy of this approach.</jats:p>
dc.publisherMDPI AG
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleApplication of Electron Backscatter Diffraction to Calcite-Twinning Paleopiezometry
dc.typeArticle
dc.publisher.departmentDepartment of Earth Sciences
dc.date.updated2022-05-18T11:56:52Z
prism.publicationNameGEOSCIENCES
dc.identifier.doi10.17863/CAM.85072
dcterms.dateAccepted2022-05-16
rioxxterms.versionofrecord10.3390/geosciences12060222
rioxxterms.versionVoR
dc.contributor.orcidRutter, Ernest [0000-0002-7545-8425]
dc.contributor.orcidWallis, David [0000-0001-9212-3734]
dc.identifier.eissn2076-3263
rioxxterms.typeJournal Article/Review
cam.issuedOnline2022-05-25
cam.depositDate2022-05-18
pubs.licence-identifierapollo-deposit-licence-2-1
pubs.licence-display-nameApollo Repository Deposit Licence Agreement


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Attribution 4.0 International
Except where otherwise noted, this item's licence is described as Attribution 4.0 International