| original |
Namurian A |
|
China(Kansu) |
Zhu,H. Palynology and biostratigraphy of Namurian A in Jingyuan of Gansu. |
1989 |
| details |
Early Namurian A |
|
China(Kansu) |
Wu,X.-Y. et al. New advances in the study of Carboniferous rocks of Jingyaun, Eastern Gansu |
1987 |
| details |
Early Namurian |
|
China(Kansu) |
Wu,X. et al. Recent research on the Carboniferous stratigraphy of Jingyuan eastern Gansu. |
1989 |
| details |
Early Namurian |
|
China(Kansu) |
Li,X. et al. A proposed boundary stratotype in Jingyuan, eastern Gansu for the Upper and Lower Carboniferous of China. (In: Carboniferous Boundaries in China. C.Y.Wang, editors) |
1987 |