Abstract
Paleomagnetic evidence suggests that the Cretaceous/Tertiary transition at DSDP Site 384 is continuous. Quantitative taxonomic analysis of the nannolith assemblages indicates that all taxa within the Cretaceous assemblage became extinct simultaneously. Comparison with the scanty sedimentary evidence from the deep Pacific and Indian oceans suggests a late Mesozoic deep water fractionation between the Pacific and the Atlantic oceans with deep circulation reverslas just prior and subsequent to the evolutionary Cretaceous/Tertiary boundary extinction event. -Authors
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CITATION STYLE
Thierstein, H. R., & Okada, H. (1979). The Cretaceous/ Tertiary boundary event in the North Atlantic, DSDP. Initial Reports of the Deep Sea Drilling Project, Leg 43, Istanbul, Turkey to Norfolk, Virginia, 1975, (Scripps Institution of Oceanography; UK Distributors IPOD Committee, NERC, Swindon), 601–616. https://doi.org/10.2973/dsdp.proc.43.122.1979
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