Evidence suggesting gradual extinction of latest cretaceous Dinosaurs

@article{Carpenter2004EvidenceSG,
  title={Evidence suggesting gradual extinction of latest cretaceous Dinosaurs},
  author={Kenneth Carpenter},
  journal={Naturwissenschaften},
  year={2004},
  volume={70},
  pages={611-612}
}
  • K. Carpenter
  • Published 1 December 1983
  • Geography
  • Naturwissenschaften

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One of the more interesting contributions of paleontology to general knowledge is evidence that giant reptiles were once the dominant life forms on our planet. During the past two centuries some 5000
The Cretaceous-Tertiary boundary in south-central Alberta—a revision based on additional dinosaurian and microfloral evidence
Recent field observations indicate that no dinosaur remains are known to occur above the Nevis coal seam. Therefore, previous conclusions which placed the Cretaceous–Tertiary boundary at the base of
Land plant evidence compatible with gradual, not catastrophic, change at the end of the Cretaceous
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    Nature
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Field study of the fossil and sedimentary record across the Cretaceous–Tertiary (K–T) boundary in Wyoming and Montana has been combined here with a reassessment of the published record of terrestrial
The earliest known Palaeocene mammal fauna and its implications for the Cretaceous–Tertiary transition
Several localities in northeastern Montana, USA, representing the earliest known Palaeocene mammal sites in the world, document a gradual turnover in the mammalian fauna at the Cretaceous–Tertiary
Cook's aid surfaces
Extraterrestrial Cause for the Cretaceous-Tertiary Extinction
TLDR
A hypothesis is suggested which accounts for the extinctions and the iridium observations, and the chemical composition of the boundary clay, which is thought to come from the stratospheric dust, is markedly different from that of clay mixed with the Cretaceous and Tertiary limestones, which are chemically similar to each other.