The end of the cretaceous: sharp boundary or gradual transition?
| Autor: | Alvarez W, Alvarez LW, Asaro F, Michel HV |
|---|---|
| Jazyk: | angličtina |
| Zdroj: | Science (New York, N.Y.) [Science] 1984 Mar 16; Vol. 223 (4641), pp. 1183-6. |
| DOI: | 10.1126/science.223.4641.1183 |
| Abstrakt: | Evidence indicates that the Cretaceous-Tertiary boundary is very sharp, and, within the limits of resolution, it is apparently synchronous at the various boundary localities. Arguments to the contrary, particularly those of Officer and Darke, are shown to invalid. |
| Databáze: | MEDLINE |
| Externí odkaz: |
|