original |
Early Silurian |
|
USSR(Moscow Basin) |
Zalessky,M.D. On marine sapropelite of Silurian age, formed by blue-green alga. |
1917 |
original |
Early Cambrian |
|
USSR(Caucasus) |
Timofeev,B.V. The age of the older sedimentary rocks of the northern Elbrus Region |
1962 |
original |
Late Riphean |
Vendian |
USSR(Ukrainian SSR) |
Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. |
1973 |
details |
Silurian |
|
North America |
Swain,F.M. Notes on Paleozoic acritarchs from the Atlantic Margins. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |
details |
Ordovician |
|
Sweden |
Eisenack,A. Microfossils of the Vaginatum Limestone of Halludden, Oland. |
1976 |
details |
Frasnian |
|
Canada(Alberta) |
Chow,N. et al. Productivity Versus preservation controls on two organic-rich Carbonate facies in the Devonian of Alberta: sedimentological and organic petrological evidence |
1995 |
details |
Ordovician |
|
USSR(Estonian SSR) |
Collinson,M.E. et al. The oil-generating potential of plants from coal and coal-bearing strata through time: A review with new evidence from Carboniferous plants. (In: Coal and Coal-bearing Strata as Oil-Prone Source Rocks. A.C.Scott and A.J.Fleet, editors) |
1994 |
details |
Late Ordovician |
|
USSR(Yablonov Khrebet) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
details |
Ordovician |
|
USSR(Baltic) |
Derenne,S. et al. Similar morphological and chemical variations of Gloeocapsomorpha prisca in Ordovician sediments and cultured Botryococcus braunii as a response to changes in salinity |
1992 |
details |
Ordovician |
|
Canada(Ontario) |
Derenne,S. et al. Similar morphological and chemical variations of Gloeocapsomorpha prisca in Ordovician sediments and cultured Botryococcus braunii as a response to changes in salinity |
1992 |
details |
Ordovician |
|
Australia(Queensland) |
Derenne,S. et al. Similar morphological and chemical variations of Gloeocapsomorpha prisca in Ordovician sediments and cultured Botryococcus braunii as a response to changes in salinity |
1992 |
details |
Ordovician |
|
Wisconsin |
Derenne,S. et al. Similar morphological and chemical variations of Gloeocapsomorpha prisca in Ordovician sediments and cultured Botryococcus braunii as a response to changes in salinity |
1992 |
details |
Middle Proterozoic |
|
USSR(Murmansk) |
Timofeev,B.V. Microphytofossil of the Pechengskoi Series. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
details |
Early Proterozoic |
|
USSR(Siberia) |
Mikhailova,N.S. Microphytofossils of the Udokanskoi and Bodaibinskoi Series. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
details |
Early Proterozoic |
Middle Proterozoic |
USSR(Pre-Urals) |
Timofeev,B.V. Microphytofossils of the Precambrian and Cambrian of northern Eurasia. (In: Paleontology of the Precambrian and Early Cambrian.) |
1979 |
details |
Middle Precambrian |
|
USSR(Siberia) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |
details |
Middle Precambrian |
|
USSR(Karelian ASSR) |
Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. |
1976 |