details |
Early Permian |
|
China(Kansu) |
Du,B.-A. Sporo-pollen assemblage from Sansi Formation of Pingliang, Gansu and its geological age. |
1986 |
details |
Late Permian |
|
China(Sinkiang Uighur) |
Jiang,D.-X. Palynological evidence for identification of nonmarine petroleum source rocks, China. (In: Palynology of Ore Deposits. E.I. Robbins, editor) |
1990 |
details |
Carboniferous |
Triassic |
China(Sinkiang Uighur) |
Jiang,D.-X. Fossil pollen and spores in crude oil from an Igne Resevoir. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |