| details |
Early Cretaceous |
|
China(Kiangsu) |
Zhao,Y. Stratigraphic Division of Mesozoic Volcanic strata and their characteristics in Nanjing-Wuhu area |
1990 |
| details |
Late Barremian |
Early Aptian |
Gabon |
Doyle,J.A. et al. Early Cretaceous tetrads, Zonasulculate pollen and Winteraceae. 1: Taxonomy, morphology and ultrastructure. |
1990 |
| details |
Late Aptian |
Early Cenomanian |
Colombia |
Herngreen,G.F.W. et al. Dating of the Cretaceous Une Formaiton, Colombia and the relationship with the Albian-Cenomanian African-South American microfloral Province. |
1990 |
| details |
Aptian |
Early Albian |
Argentina(San Luis) |
PrЎmparo,M.B. Palynostratigraphy of the Lower Cretaceous of the San Luis Basin, Argentina. Its place in the Lower Cretaceous floral provinces pattern |
1990 |
| details |
Barremian |
Aptian |
England(Yorkshire) |
Ruffell,A.H. et al. The Barremian-Aptian arid phase in Western Europe. |
1990 |
| details |
Barremian |
Aptian |
England(Isle of Wight) |
Ruffell,A.H. et al. The Barremian-Aptian arid phase in Western Europe. |
1990 |
| details |
Early Valanginian |
|
France(Paris Basin) |
Ruffell,A.H. et al. The Barremian-Aptian arid phase in Western Europe. |
1990 |
| details |
Barremian |
Aptian |
E.Germany(Dresden) |
Ruffell,A.H. et al. The Barremian-Aptian arid phase in Western Europe. |
1990 |
| details |
Barremian |
|
France |
Ruffell,A.H. et al. The Barremian-Aptian arid phase in Western Europe. |
1990 |
| details |
Sinemurian |
|
Canada(Alberta) |
Poulton,T.P. et al. Jurassic strata of Northwestern (and West-Central) Alberta and northeastern British Columbia |
1990 |
| details |
Cenomanian |
|
Africa |
Pantic,N.K. Effects of geologic and Extraterrestrial events on the land vegetation development during the Cretaceous (Tethyan and South Laurasian Provinces). (In: Global Biological Events in Earth History. E.Knobloch and Z.Kvacek, editors) |
1990 |
| details |
Late Cretaceous |
|
Libya |
Thusu,B. et al. Jurassic-Early Cretaceous palynostratigraphy in northeast Libya. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Jurassic |
|
India |
Navale,G.K.B. et al. An appraisal of coal petrographic facies in Lower Lower Gondwana, (Permian) coal seams of India. (In: Peat and Coal; Origin, Facies and Depositional Models. P.C.Lyons and B.Alpern, editors) |
1989 |
| details |
Early Paleocene |
Middle Paleocene |
China(Hunan) |
Guan,S. On the age of the Dongtang Formation in the Hengyang Basin of Hunan and the Cretaceous and Tertiary boundary. |
1989 |
| details |
Aptian |
|
Colombia |
Dueбas-Jimenez,H. Presence of the genus Afropollis in Columbia. (In: Paleobotanica e Palinologia na America do Sul; 1987. M.E.E.B. Oliveira-Babinski et al, editors) |
1989 |
| details |
Early Sinemurian |
|
Portugal |
Fechner,G.G. et al. Sedimentary petrography and palynology of Jurassic Beds in the Bagorda Valley near Porto de Mos, Lusitanian Basin, Portugal. |
1989 |
| details |
Early Paleocene |
|
New Mexico |
Fassett,J.E. et al. Day 5, Tuesday, July 4: Farmington to Gallup, New Mexico (145 Mi.,233 Km.) |
1989 |