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Showing 1–4 of 4 results

Advanced filters: Author: Alain Baronnet Clear advanced filters

Fast and pervasive diagenetic isotope exchange in foraminifera tests is species-dependent

Paleoclimate reconstructions commonly use oxygen isotope compositions from fossil foraminifera tests as proxies. Here, the authors show that these tests exchange O-isotopes with surrounding fluids, with implications for paleotemperature records.

Deyanira Cisneros-Lazaro
Arthur Adams
Anders Meibom
ResearchOpen Access10 Jan 2022
Nature Communications

Volume: 13, P: 1-11
Fossil biocalcite remains open to isotopic exchange with seawater for tens of millions of years

Deyanira Cisneros-Lazaro
Arthur Adams
Anders Meibom
ResearchOpen Access22 Oct 2024
Scientific Reports

Volume: 14, P: 1-11
Post-mortem recrystallization of biogenic amorphous calcium carbonate guided by the inherited macromolecular framework

Jarosław Stolarski
Ismael Coronado
Anders Meibom
ResearchOpen Access27 Jul 2024
Scientific Reports

Volume: 14, P: 1-10
Rapid grain boundary diffusion in foraminifera tests biases paleotemperature records

The paleoseawater temperature record from the oxygen isotope compositions of fossil foraminifera tests may be biased by up to about 1 °C due to grain-boundary diffusion alone, according to isotope exchange experiments on foraminifera tests.

Arthur Adams
Damien Daval
Anders Meibom
ResearchOpen Access27 Apr 2023
Communications Earth & Environment

Volume: 4, P: 1-11