Radiocarbon dating of marine carbonates

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dc.contributor.authorHua, Qen_AU
dc.date.accessioned2021-07-16T03:53:01Zen_AU
dc.date.available2021-07-16T03:53:01Zen_AU
dc.date.issued2015-06-18en_AU
dc.date.statistics2021-07-09en_AU
dc.description.abstractMarine carbonates such as shells and corals mainly consist of aragonite. Before samples are processed for radiocarbon dating, all contaminants must be removed; otherwise the determination of correct radiocarbon ages may not be achieved. Contaminants are derived from the surrounding environment if samples were buried in soils or sediments (e.g., secondary carbonates derived from groundwater and recrystallization of sample carbonate due to chemical exchange between the sample and the surrounding environment). These carbonate contaminants are mostly in the form of calcite. Contaminants can also be conservation materials in the case of museum specimens. Contamination cannot always be seen by naked eye. In such cases, samples should be screened for secondary carbonates and recrystallization and diagenetic alteration using X-ray diffraction, thin-section examination (McGregor and Gagan, 2003), or scanning electron microscopy (Webb et al., 2007; Nothdurft and Webb, 2009). © Springer Science+Business Media Dordrecht 2015en_AU
dc.identifier.booktitleEncyclopedia of Scientific Dating Methodsen_AU
dc.identifier.citationHua Q. (2015) Radiocarbon dating of marine carbonates. In: Rink W. J., Thompson J. W. (eds) Encyclopedia of Scientific Dating Methods, 1-6. Encyclopedia of Earth Sciences Series. Springer, Dordrecht, Switzerland. doi:10.1007/978-94-007-6304-3_151en_AU
dc.identifier.editorsRink W. J., Thompson J. W.en_AU
dc.identifier.isbn978-94-007-6304-3en_AU
dc.identifier.pagination676-679en_AU
dc.identifier.placeofpublicationDordrecht, Switzerlanden_AU
dc.identifier.urihttps://doi.org/10.1007/978-94-007-6304-3_151en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11079en_AU
dc.language.isoenen_AU
dc.publisherSpringer Natureen_AU
dc.subjectCarbonatesen_AU
dc.subjectCoralsen_AU
dc.subjectAragoniteen_AU
dc.subjectSedimentsen_AU
dc.subjectSoilsen_AU
dc.subjectCarbon 14en_AU
dc.titleRadiocarbon dating of marine carbonatesen_AU
dc.typeBook chapteren_AU
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