40Ar/39Ar dating and magnetostratigraphic correlation of the terrestrial Cretaceous–Paleogene boundary and Puercan Mammal Age, Hell Creek – Tullock formations, eastern Montana
Authors:
- Carl C. Swisher IiiCICarl C. Swisher Iii
- Lowell DingusLDLowell Dingus
- Robert F. ButlerRBRobert F. Butler
- 1 September 1993
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Earth Sciences
- Vol. 30 (9) , 1981-1996