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Kt boundary dating

See more words from the same year. K-T boundary. Accessed 27 Mar. What made you want to look up K-T boundary?
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Cretaceous–Paleogene extinction event

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Red Deer Valley K-t Boundary - Fossil Plants - Fossil Hunters

Scientists at the University of California, Berkeley, and the Berkeley Geochronology Center have pinpointed the date of the dinosaurs' extinction more precisely than ever thanks to refinements to a common technique for dating rocks and fossils. The argon-argon dating method has been widely used to determine the age of rocks, whether they're thousands or billions of years old. Nevertheless, the technique had systematic errors that produced dates with uncertainties of about 2. Renne and his colleagues in Berkeley and in the Netherlands now have lowered this uncertainty to 0. As a result, argon-argon dating today can provide more precise absolute dates for many geologic events, ranging from volcanic eruptions and earthquakes to the extinction of the dinosaurs and many other creatures at the end of the Cretaceous period and the beginning of the Tertiary period.
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Deep Impact and the Mass Extinction of Species 65 Million Years Ago

Most mass extinctions coincide in time with outpourings of continental flood basalts CFB. Some 20 years ago, it was shown [Courtillot, V. Earth Planet.
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The Cretaceous—Tertiary extinction event, now called the Cretaceous—Palaeogene extinction event. This is the famous event which killed the dinosaurs at the end of the Cretaceous period. The disappearances included the last of the great dinosaurs.
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