Abstract
In the English Upper Chalk, planktonic foraminiferids have been found to be much more common in flint meal than in the associated chalk, although benthonic forms are common in both. In some marl bands, foraminiferids are much rarer than in equal volumes of the chalk that lies above and below them, although agglutinating species remain relatively common. These two phenomena and others like them are believed to give evidence of selective preservation, which has arisen in various ways and on differing time scales. The new data on the relative abundance of planktonic foraminiferids now support evidence from other sources relating to the depth of the Chalk sea.
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Curry, D. (1982). Differential preservation of foraminiferids in the English Upper Cretaceous — consequential observations. In: Banner, F.T., Lord, A.R. (eds) Aspects of Micropalaeontology. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-6841-0_6
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DOI: https://doi.org/10.1007/978-94-011-6841-0_6
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