| details |
Late Permian |
|
Greenland |
Visscher,H. et al. Environmental mutagenesis during the end-Permian ecological crisis. |
2004 |
| details |
Late Permian |
Early Triassic |
China(Yunnan) |
Peng,Y. et al. High-resolution terrestrial Permian - Triassic eventostratigraphic boundary in western Guizhou and eastern Yunnan, southwestern China. |
2005 |
| details |
Roadian |
Wuchiapingian |
Antarctica |
LindstrŠ¶m,S. Palynology of Permian shale, clay and sandstone clasts from the Basen till in northern Vestfjella, Dronning Maud Land |
2005 |
| details |
Westphalian D |
|
North Sea |
Pearce,T.J. et al. Stratigraphy of the Upper Carboniferous Schooner Formation, southern North Sea: Chemostratigraphy, mineralogy, palynology and Sm/Nd isotope analysis. (In: Carboniferous hydrocarbon resources: the southern North Sea and surrounding onshore areas. edited by J. D. Collinson et al) |
2005 |