original |
Ordovician |
|
North America |
Cramer,F.H. Implications from Middle Paleozoic palynofacies transgressions for the Rate of Crustal Movement, especially during the Wenlockian |
1971 |
original |
Ordovician |
|
South America |
Cramer,F.H. Implications from Middle Paleozoic palynofacies transgressions for the Rate of Crustal Movement, especially during the Wenlockian |
1971 |
original |
Ordovician |
|
Europe |
Cramer,F.H. Implications from Middle Paleozoic palynofacies transgressions for the Rate of Crustal Movement, especially during the Wenlockian |
1971 |
original |
Ordovician |
|
Africa |
Cramer,F.H. Implications from Middle Paleozoic palynofacies transgressions for the Rate of Crustal Movement, especially during the Wenlockian |
1971 |
original |
Late Caradocian |
Ashgillian |
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |
original |
Late Cambrian |
Early Ordovician |
China(Kirin) |
Yin,L.-M. Acritarchs. (In: Study on Cambrian-Ordovician boundary strata and its biota in Dayangcha, Hunjiang, Jilin, China. J.-Y. Chen, editors) |
1985 |