details |
Ordovician |
|
Baltic |
Eisenack,A. Microfossils from the Baltic Ordovician. 2: Vaginatenkalk to Lyckholmer Stufe. |
1962 |
details |
Ordovician |
Silurian |
USSR(Baltic) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
details |
Ordovician |
|
Canada(Saskatchewan) |
Stasiuk,L.D. Oil-prone alginite macerals from organic-rich Mesozoic and Palaeozoic strata, Saskatchewan, Canada. |
1994 |
details |
Ordovician |
|
Poland |
Jagielska,L. Flora of the Ordovician;Microflora |
1972 |
details |
Ordovician |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils of the Ordovician from the Baltic area.1. |
1958 |
details |
Ordovician |
|
Canada(Manitoba) |
McGregor,D.C. et al. Fossils of the Ordovician Red River Formation (Cat Head Member)0 1. palynomorphs of the Ordo Vician Cat Head Member, Lae Winnipeg, Manitoba |
1971 |
details |
Ordovician |
|
USSR(Krasnoyarsk Kray) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
details |
Ordovician |
Silurian |
USSR(Siberia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
details |
Ordovician |
|
Sweden |
Eisenack,A. Microfossils of the Vaginatum Limestone of Halludden, Oland. |
1976 |
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 |
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 |
Ordovician |
|
North America |
Wicander,R. et al. Green and Blue-Green algae. 7E-Gloeocapsomorpha. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Ordovician |
|
Nd |
Peniguel,G. et al. Microalgae -their importance in stratigraphy and petroleum exploration. |
1989 |
details |
Ordovician |
Devonian |
Canada(Ontario) |
Obermajer,M. et al. Asseccing thermal maturity of Paleozoic rocks from reflectance of chitinozoa as constrained by geochemical indicators: an example from southern Ontario, Canada. |
1996 |