details |
Early Gothlandian |
|
USSR(Estonian SSR) |
Burns,D.A. A transmission electron microscope comparison of modern Botryococcus braunii with some microfossils previously referred to that species. |
1982 |
details |
Early Gothlandian |
|
USSR(Estonian SSR) |
Eisenack,A. On some lower algae of the Baltic Silurian. |
1960 |
details |
Early Cambrian |
|
USSR(Belorussian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
original |
Early Cambrian |
|
USSR(Caucasus) |
Timofeev,B.V. The age of the older sedimentary rocks of the northern Elbrus Region |
1962 |
details |
Early Cambrian |
|
USSR(Irkutskaya Oblast) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
details |
Early Cambrian |
|
China(Inner Mongolia) |
Timofeev,B.V. Micropaleophytological research into ancient strata. |
1966 |
details |
Early Arenigian |
Middle Arenigian |
Australia(Queensland) |
Playford,G. et al. Acritarch palynoflora of the Coolibah Formation (Lower Ordovician) Georgina Basin,Queensland. (In: Palynological and Palaeobotanical Studies in Honour of Basil E. Balme. P.A. Jell and G. Playford, editors) |
1988 |
details |
Devonian |
Mississippian |
Kentucky |
Teerman,S.C. et al. Source rock/dispersed organic matter characterization-TSOP Research Subcommittee results. |
1994 |
details |
Cretaceous |
|
Utah |
Teerman,S.C. et al. Source rock/dispersed organic matter characterization-TSOP Research Subcommittee results. |
1994 |
details |
Cincinnatian |
|
Illinois |
Guthrie,J.M. et al. Geochemical indicators of depositional environment and source-rock potential for the Upper Ordovician Maquoketa Group, Illinois Basin. |
1994 |
details |
Cambrian |
|
USSR(Siberia) |
Rudavskaya,V.A. The acritarchs of the Motsk Strata of the Markovo oil field in East Siberia. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
details |
Cambrian |
Ordovician |
China(Xinjiang Uygur) |
Liu,D. et al. Organic petrology of potential source rocks in the Tarim Basin, northwest China. |
2003 |
details |
Arenigian |
|
Australia(Queensland) |
Playford,G. et al. Acritarch palynology of Lower Ordovician strata, Georgina Basin, Queensland, Australia. |
1988 |