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Cretaceous-Tertiary - Twitter Search

その流れで行くと PT (Permian-Triassic), CT (Cenomanian-Turonian) , KT (Cretaceous-Tertiary) なんてものがワラワラ出てくる．
oanus (oanus) Sun, 06 Dec 2009 05:19:20 -0000
その流れで行くと PT (Permian-Triassic), CT (Cenomanian-Turonian) , KT (Cretaceous-Tertiary) なんてものがワラワラ出てくる．
The margin of error of the Cretaceous-Tertiary boundary is +/- 300,000 years. That's a blink of an eye in geological time...
IlGreven (Andy Jakcsy) Mon, 30 Nov 2009 20:21:30 -0000
The margin of error of the Cretaceous-Tertiary boundary is +/- 300,000 years. That's a blink of an eye in geological time...

 

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101 Crazy Dinosaur Theories - Theories about dinosaur extinction

Dinosaur Extinction - Short summaries of some theories of dinosaur extinction.

Dinosaur Volcano Greenhouse Extinction - The dinosaur extinction occurred during a Deccan Traps volcanism-induced greenhouse climate change. By Dewey McLean.

Dinosaurs and Extinctions - From the Classroom of the Future website. Includes an introduction to the major theories on the Cretaceous-Tertiary extinction event.

Science Daily: A World Ruled By Fungi - After the extinction event, the dominant life form was the fungi that thrived in the dark. Researchers have constructed a timeline of the fungal takeover and eventual replacement by resurgent plant life.
Meta Description: [ The catastrophe that extinguished the dinosaurs and other animal species, 65 million years ago also brought dramatic changes to the vegetation. ]

The End-Cretaceous (K-T) Extinction - Discusses geologic setting, possible causes, and species affected by the event at the end of the Mesozoic Era.

The Great Mystery - Information on current and past hypotheses on dinosaur extinctions from the University of California Paleontology Museum.