| details |
Late Hauterivian |
|
Spain |
Leereveld,H. Hauterivian - Barremian (Lower Cretaceous) dinoflagellate cyst stratigraphy of the western Mediterranean. |
1997 |
| details |
Late Albian |
|
Canada(Alberta) |
Bloch,J.D. et al. Sedimentology, micropaleontolgy, geochemistry, and hydrocarbon potential of shale from the Cretaceous Lower Colorado Group in Western Canada. |
1999 |
| original |
Early Albian |
|
North Sea |
Duxbury,S. A palynological zonation scheme for the Lower Cretaceous: United Kingdom Sector, Central North Sea. |
2001 |
| details |
Early Albian |
|
North Sea |
Duxbury,S. A palynological zonation scheme for the Lower Cretaceous: United Kingdom Sector, Central North Sea. |
2001 |
| details |
Albian |
|
Barents Sea |
Bugge,T. et al. Shallow stratigraphic drilling applied in hydrocarbon exploration of the Nordkapp Basin, Barents Sea. |
2002 |