Abstract
Detailed investigations of sequences containing the Kellwasser Bio-event near the Frasnian-Famennian boundary demonstrate a stepwise character of influences on different groups of organisms over a time span of more than 1 my. Therefore the term Kellwasser Crisis (KW Crisis) is introduced. Extraordinary episodes of the KW Crisis, like e.g. the Upper KW Horizon, develop stepwise, too. The KW Bio-event demands a multicausal explanation. A model of successive and/or interacting processes is presented.
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Schindler, E. (1990). The late Frasnian (Upper Devonian) Kellwasser Crisis. In: Kauffman, E.G., Walliser, O.H. (eds) Extinction Events in Earth History. Lecture Notes in Earth Sciences, vol 30. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0011143
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DOI: https://doi.org/10.1007/BFb0011143
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