ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Magnetostratigraphy of a terrestrial sedimentary sequence in the San Juan Basin reveals that the Cretaceous–Tertiary boundary, recognised by the highest stratigraphic occurrence of dinosaurs, is younger than the midpoint of marine magnetic anomaly 29. This boundary is slightly younger than, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/267318a0
Permalink