original |
Westphalian A |
Westphalian C |
Germany(Rhineland) |
Grebe,H. The distribution of the miospores in the Ruhr Carboniferous from the Bochumer to the Dorstner Beds (Westphalian A-C) |
1972 |
original |
Westphalian C |
|
Germany(Rhineland) |
Grebe,H. The distribution of the miospores in the Ruhr Carboniferous from the Bochumer to the Dorstner Beds (Westphalian A-C) |
1972 |
original |
Westphalian A |
Westphalian B |
Germany(Rhineland) |
Grebe,H. The distribution of the miospores in the Ruhr Carboniferous from the Bochumer to the Dorstner Beds (Westphalian A-C) |
1972 |
original |
Early Westphalian B |
|
W.Germany(N.Rhine) |
Schweitzer,H.J. et al. The dispersed spores of the Essener Layers (Lower Westphalian B) in the eastern Ruhr area and their usefulness for Seam comparison |
1991 |