| details |
Llanvirnian |
|
England(Lancashire) |
Downie,C. et al. Age of the Eycott Volcanic Group and its Conformable relationship to the Skiddaw Slates in the English Lake District. |
1972 |
| details |
Silurian |
|
India(Madhya Pradesh) |
Shrivastava,R.N. Micro-organic remains from the Vindhyan Formation of India |
1972 |
| details |
Cambrian |
|
India(Mysore) |
Salujha,S.K. et al. Palynology of the Vindhyans and their equivalents in Peninsular India. |
1972 |
| details |
Cambrian |
|
India(Andhra Pradesh) |
Salujha,S.K. et al. Palynology of the Vindhyans and their equivalents in Peninsular India. |
1972 |
| details |
Early Permian |
|
India(Madhya Pradesh) |
Lele,K.M. et al. Palynology of the marine Intercalations in the Lower Gondwana of Madhya Pradesh, India. |
1972 |
| details |
Middle Cambrian |
|
Spain |
Cramer,F.H. First report on the occurrence of acritarchs in the Oville Formation of Leon, Spain. |
1972 |
| details |
Llanvirnian |
Silurian |
Bulgaria |
Kalvacheva,R.K. Preliminary results from palynological studies of the Lower Palaeozoic in the Iskur Gorge. |
1972 |
| details |
Middle Ordovician |
|
USSR(Baltic) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Middle Ordovician |
|
USSR(Latvian SSR) |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Middle Ordovician |
|
Sweden |
Myannil,R.M. Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area. |
1972 |
| details |
Early Cambrian |
|
USSR(Vologda) |
Batanova,G.P. et al. Age of Pre-Middle Devonian sediments of the Volgograd District. |
1972 |
| details |
|
|
USSR(Latvian SSR) |
Birkis,A.P. et al. New data on the Cambrian stratigraphy of eastern Latvia |
1972 |
| details |
Early Cambrian |
|
USSR(Latvian SSR) |
Birkis,A.P. et al. New data on the Cambrian stratigraphy of eastern Latvia |
1972 |
| details |
Middle Cambrian |
Late Cambrian |
USSR(Latvian SSR) |
Birkis,A.P. et al. New data on the Cambrian stratigraphy of eastern Latvia |
1972 |
| details |
Llanvirnian |
|
Australia(W.Australia) |
Combaz,A. et al. Palynostratigraphy of the Ordovician from some boreholes in the Canning Basin, Western Australia. |
1972 |
| details |
Ludlovian |
Early Gedinnian |
France(Pas-de-Calais) |
Rauscher,R. Micropaleontological and stratigraphic research in the Ordovician and Silurian in France. Study of the acritarchs, chitinozoans and spores. |
1973 |
| details |
Late Caradocian |
Early Llandoverian |
Belgium |
Martin,F. The Upper Ordovician and Lower Silurian at Deerlijk (Belgium) |
1973 |