Re: [dinosaur] Dating of dinosaur age during history
Merald Clark <[email protected]> Thu, 21 Nov 2019 11:19:13 -0500
| Newsgroups | gmane.science.dinosaurs.general |
|---|---|
| Message-ID | <CAHYiQ2Xp+1KGQ6pA=RToKH-TRHiahKWOLq1QqqBdAWvkyVnx0Q@mail.gmail.com> |
OMG Poekilopleuron, thank you! I've been wondering about this lately myself! Yours, Merald Clark On Wed, Nov 20, 2019 at 11:26 AM Poekilopleuron <[email protected]> wrote: > Good day, > > I seem to recall that at the beginning of the 20th Century it was believed > that Tyrannosaurus was only about 3 to 8 million years old (and > Protoceratops about 13 million years after 1920). Is there any table of age > estimates for dinosaurs and how it was improved during the time? E. g. how > K-Pg boundary was dated from the 19th Century up to modern estimates of > 66.0 mya. I have seen that around 1950 it was thought to be some 75 to 70 > million years ago? Thank you in advance! Tom >