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Secular changes in the importance of neritic carbonate deposition as a control on the magnitude and stability of Neoproterozoic ice ages

Andy J. Ridgwell, Martin Kennedy

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

We hypothesize that secular evolution in the control of calcium carbonate depo sition dictated the severity of Neoproterozoic ice ages. In the modern ocean, reduc tion in carbonate deposition on the continental shelves can be compensated for by the increased preservation in deep sea ing from planktic calcifiers living in the open ocean. The result is that ocean carbonate chemistry is strongly buffered and the carbon-climate system relatively stable. How ever, before the advent of metazoan biomineralization in the ...
Original languageEnglish
Title of host publicationThe Extreme Proterozoic
Subtitle of host publicationGeology, Geochemistry, and Climate
Place of PublicationWashington, DC
PublisherAmerican Geophysical Union
Pages55-72
Number of pages17
ISBN (Print)0875904114
DOIs
Publication statusPublished - 2004
Externally publishedYes

Publication series

NameGeophysical Monograph
Volume146
ISSN (Print)0065-8448

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