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dc.contributor.authorEngland, Jenniferen_UK
dc.contributor.authorCusack, Maggieen_UK
dc.contributor.authorPaterson, Niall Wen_UK
dc.contributor.authorEdwards, Paulen_UK
dc.contributor.authorLee, Martin Ren_UK
dc.contributor.authorMartin, Roberten_UK
dc.description.abstractOptical cathodoluminescence (CL) is commonly used to identify diagenetically altered carbonate fossils, yet such an interpretation is problematic as present-day carbonate shells may also luminesce. Hyperspectral CL imaging combines CL microscopy and CL spectroscopy to quantitatively analyze luminescence emission. Cold optical CL and hyperspectral CL imaging were carried out on four modern biominerals, a Rhynchonelliform brachiopod, a Craniid brachiopod, a bivalve, and the eggshell of the domestic fowl. A fossil Craniid brachiopod was analyzed to compare luminescence emission with that from the modern Craniid brachiopod. The beam conditions used for optical CL vary between studies, which hinders the direct comparison of CL analyses. This study assesses the effect of beam current and beam diameter on the intensity of luminescence emission. By characterizing the effect of beam conditions on different CaCO3 biominerals, comparisons can be made between CL studies. Hyperspectral CL imaging can be carried out in combination with WDS element analysis. By comparing hyperspectral CL images with element maps the causes of luminescence can to some extent be determined. The intensity of luminescence emitted from the modern biominerals differs under the same beam conditions. All four modern shells emit blue luminescence. In N. anomala, there is a correlation between Mn2+ concentration and luminescence intensity in the 620- to 630-nm wavelength band, which is apparent in the inner region of the shell. The fossil Craniid also emits blue luminescence, and texture within the shell wall is apparent; however, the luminescence emission between 620 and 630 nm that is evident in N. anomala is absent.en_UK
dc.publisherAmerican Geophysical Unionen_UK
dc.relationEngland J, Cusack M, Paterson NW, Edwards P, Lee MR & Martin R (2006) Hyperspectral cathodoluminescence imaging of modern and fossil carbonate shells. Journal of Geophysical Research: Biogeosciences, 111 (G3), Art. No.: G03001.
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.subjecthyperspectral CL imagingen_UK
dc.titleHyperspectral cathodoluminescence imaging of modern and fossil carbonate shellsen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[England_et_al-2006-Journal_of_Geophysical_Research-_Biogeosciences_(2005-2012).pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.citation.jtitleJournal of Geophysical Research: Biogeosciencesen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationUniversity of Glasgowen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUniversity of Glasgowen_UK
dc.contributor.affiliationUniversity of Strathclydeen_UK
dc.contributor.affiliationUniversity of Glasgowen_UK
dc.contributor.affiliationUniversity of Strathclydeen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorEngland, Jennifer|en_UK
local.rioxx.authorCusack, Maggie|0000-0003-0145-1180en_UK
local.rioxx.authorPaterson, Niall W|en_UK
local.rioxx.authorEdwards, Paul|en_UK
local.rioxx.authorLee, Martin R|en_UK
local.rioxx.authorMartin, Robert|en_UK
local.rioxx.projectInternal Project|University of Stirling|
Appears in Collections:Biological and Environmental Sciences Journal Articles

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