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dc.contributor.authorPerez-Huerta, Alberto-
dc.contributor.authorCusack, Maggie-
dc.contributor.authorDalbeck, Paul-
dc.description.abstractThe processes involved in vital effects, defined as biological processes overriding environmental signals, are not well understood and this hampers the interpretation of environmental parameters such as seawater temperature. Insufficient knowledge is available about changes in physico-chemical parameters, in particular those related to crystallography, associated with biomineral formation and emplacement. This paper assesses the influence of crystallography on Mg2+ concentration and distribution in calcite biominerals of bivalved marine organisms, mussels and rhynchonelliform brachiopods, and considers the implications for Mg/Ca thermometry. In the mussel Mytilus edulis, changes in Mg2+ are not associated with crystallography; but in the brachiopod Terebratulina retusa, increases in Mg2+ concentrations (∼0.5-0.6 wt.%) are associated with the {0001} planes of calcite biominerals. A comparison between mussels and brachiopods with avian eggshells, which form at constant ambient temperature, also reveals that there is at least a common 0.1 wt. % variation in magnesium concentration in these calcite biomineral systems unrelated to temperature or crystallography. Results demonstrate that the integration of contextual crystallographic, biological and chemical information may be important to extract accurate environmental information from biominerals. Copyright © 2011 Royal Society of Edinburgh.en_UK
dc.publisherCambridge University Press for Royal Society of Edinburgh-
dc.relationPerez-Huerta A, Cusack M & Dalbeck P (2011) Crystallographic contribution to the vital effect in biogenic carbonates Mg/Ca thermometry, Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 102 (1), pp. 35-41.-
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.-
dc.subjectsector zoningen_UK
dc.titleCrystallographic contribution to the vital effect in biogenic carbonates Mg/Ca thermometryen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreasonThe 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.-
dc.citation.jtitleEarth and Environmental Science Transactions of the Royal Society of Edinburgh-
dc.type.statusPublisher version (final published refereed version)-
dc.contributor.affiliationUniversity of Alabama (Tuscaloosa)-
dc.contributor.affiliationFaculty of Natural Sciences-
dc.contributor.affiliationUniversity of Glasgow-
Appears in Collections:Biological and Environmental Sciences Journal Articles

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