original |
Late Visean |
|
Canada(Alberta) |
Utting,J. Palynostratigraphic investigation of 74 core samples (Upper Paleozoic) Submitted by J.E.Barclay from three boreholes in the Peace River Arch area (Nts 84D,83M) |
1989 |
original |
Wenlockian |
Gedinnian |
Libya |
Tekbali,A.O. et al. Silurian spores, acritarchs and chitinozoans from the Bani Walid Borehole of the Ghadamis Basin, Northwest Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
original |
Kungurian |
Kazanian |
Paraguay |
Muff,R. et al. Palynological investigations and biostratigraphic correlations Permian sedimentary rocks from eastern Paraguay |
1999 |