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Mg/Ca variation in planktonic foraminifera tests: implications for reconstructing palaeo-seawater temperature and habitat migration

Eggins, Stephen; De Deckker, Patrick; Marshall, John


The nature of compositional variability within the tiny calcitic shells (tests) that are precipitated by planktonic foraminifera has been investigated using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). Systematic large and correlated variation of Mg/Ca, Mn/Ca, Ba/Ca and Zn/Ca but relatively uniform Sr/Ca are observed through the test walls of analysed species (Globigerinoides sacculifer, Globigerinoides ruber, Neogloboquadrina pachyderma and Neogloboquadrina...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Earth and Planetary Science Letters
DOI: 10.1016/S0012-821X(03)00283-8


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