original |
Early Tertiary |
|
Japan(Hokkaido I.) |
Tokunaga,S. Pollen analysis of the known coal seams in the Biba Bibai area, Sorachi District, Ishikari Coal Fields, Hokkaido. |
1955 |
original |
Early Tertiary |
|
Japan(Hokkaido I.) |
Tokunaga,S. Palynological study on Japanese Coal.Ii.Pollen stratigraphical investigations in the Coal Fields, Middle Hokkaido. |
1958 |
original |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of spore and pollen analysis |
1962 |
original |
Nd |
|
Nd |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of the spore and pollen analysis. |
1964 |
original |
Early Tertiary |
|
Canada(British Columbia) |
Boneham,R.F. Palynology of three Tertiary Coal Basins in South-Central British Columbia |
1968 |