Isolating coccoliths from sediment for geochemical analysis

Trace element analysis of open-marine sedimentary carbonates provides a wealth of paleoclimate data. At present, the majority of this data is obtained from foraminifera tests. Complications regarding the variability of conditions experienced by foraminifera throughout test formation and the influenc...

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Main Authors: Halloran, P, Rust, N, Rickaby, R
Format: Journal article
Language:English
Published: 2009
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author Halloran, P
Rust, N
Rickaby, R
author_facet Halloran, P
Rust, N
Rickaby, R
author_sort Halloran, P
collection OXFORD
description Trace element analysis of open-marine sedimentary carbonates provides a wealth of paleoclimate data. At present, the majority of this data is obtained from foraminifera tests. Complications regarding the variability of conditions experienced by foraminifera throughout test formation and the influence of diagenetic processes on sample chemistry limit the value of foraminifera samples in certain situations. Coccoliths, the calcium carbonate plates produced by coccolithophores, represent a second major pelagic open-marine carbonate source with the potential to provide a wide range of valuable trace element proxy data but which have, until now, been unavailable for analysis of many trace elements because of clay contamination. Here we describe a novel technique, which utilizes fast sorting flow cytometry, to enable the production of clay-free sedimentary coccolith samples. © 2009 by the American Geophysical Union.
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spelling oxford-uuid:b8b1c827-72a5-4653-a908-516a4565b37c2022-03-27T04:57:32ZIsolating coccoliths from sediment for geochemical analysisJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b8b1c827-72a5-4653-a908-516a4565b37cEnglishSymplectic Elements at Oxford2009Halloran, PRust, NRickaby, RTrace element analysis of open-marine sedimentary carbonates provides a wealth of paleoclimate data. At present, the majority of this data is obtained from foraminifera tests. Complications regarding the variability of conditions experienced by foraminifera throughout test formation and the influence of diagenetic processes on sample chemistry limit the value of foraminifera samples in certain situations. Coccoliths, the calcium carbonate plates produced by coccolithophores, represent a second major pelagic open-marine carbonate source with the potential to provide a wide range of valuable trace element proxy data but which have, until now, been unavailable for analysis of many trace elements because of clay contamination. Here we describe a novel technique, which utilizes fast sorting flow cytometry, to enable the production of clay-free sedimentary coccolith samples. © 2009 by the American Geophysical Union.
spellingShingle Halloran, P
Rust, N
Rickaby, R
Isolating coccoliths from sediment for geochemical analysis
title Isolating coccoliths from sediment for geochemical analysis
title_full Isolating coccoliths from sediment for geochemical analysis
title_fullStr Isolating coccoliths from sediment for geochemical analysis
title_full_unstemmed Isolating coccoliths from sediment for geochemical analysis
title_short Isolating coccoliths from sediment for geochemical analysis
title_sort isolating coccoliths from sediment for geochemical analysis
work_keys_str_mv AT halloranp isolatingcoccolithsfromsedimentforgeochemicalanalysis
AT rustn isolatingcoccolithsfromsedimentforgeochemicalanalysis
AT rickabyr isolatingcoccolithsfromsedimentforgeochemicalanalysis