| details |
Triassic |
|
Gondwanaland |
Shearer,J.C. et al. Delineation of distinctive nature of Tertiary coal beds. |
1995 |
| details |
Middle Miocene |
Pleistocene |
Guatemala |
Burkart,B. et al. Mesozoic and Cenozoic stratigraphy of southeastern Guatemala. |
1973 |
| details |
Late Miocene |
|
Iceland |
Mudie,P.J. et al. Palynological evidence for Miocene climate Cooling in eastern Iceland about 9.8 Myr Ago |
1983 |
| details |
Albian |
Late Cenomanian |
Idaho |
Ryder,R.T. et al. Palynology and age of Beaverhead Formation and their paleotectonic implications in Lima Region, Montana-Idaho. |
1970 |
| details |
Middle Turonian |
Late Coniacian |
Idaho |
Ryder,R.T. et al. Palynology and age of Beaverhead Formation and their paleotectonic implications in Lima Region, Montana-Idaho. |
1970 |
| details |
Late Cretaceous |
Paleocene |
Idaho |
Ryder,R.T. et al. Palynology and age of Beaverhead Formation and their paleotectonic implications in Lima Region, Montana-Idaho. |
1970 |
| details |
Morrowan |
Atokan |
Illinois |
Phillips,T.L. et al. Changing patterns of Pennsylvanian Coal swamp vegetation and implications of climatic control on coal occurrence |
1984 |
| details |
Pennsylvanian |
|
Illinois |
Peppers,R.A. et al. A comparison of the floras of the Colchester (No.2) Coal and Francis Creek Shale. (In: Depositional environments in parts of the Carbondale Formation: Western and northern Illinois) |
1970 |
| details |
Early Pennsylvanian |
|
Illinois |
Price,C. Microspore and petrographic analyses of the Reynoldsburg Coal. (In: Depositional Environments of Selected Lower Pennsylvania and Upper Mississpian Sequences of Southern Illinois. Guidebook for 37th Annual Tri-State Field Conference. F.G. Ethridge, G.H. Fraunfelter and J. Utgaard, editors) |
1973 |
| details |
Middle Pennsylvanian |
|
Illinois |
Mahaffy,J.F. Vegetational history of the Springfield Coal (Middle Pennsylvanian of Illinois) and distribution patterns of a Tree-Fern miospore, Thymospora pseudothiessenii, based on miospore profiles |
1988 |
| details |
Stephanian A |
Stephanian B |
Illinois |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Westphalian B |
Westphalian D |
Illinois |
Bharadwaj,D.C. Sporological evidence on the boundaries of the stratigraphical subdivisions in the Upper Pennsylvanian strata of Euope and North America. |
1960 |
| details |
Morrowan |
Desmoinesian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Desmoinesian |
|
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Desmoinesian |
Virgilian |
Illinois |
Kosanke,R.M. Plant microfossils in correlation of Coal Beds. |
1947 |
| details |
Westphalian A |
|
Illinois |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Visean |
Namurian |
Illinois |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |