| details |
Late Pliocene |
Middle Pliocene |
Arctic Ocean |
Matthiessen,J. et al. Dinoflagellate cyst ecostratigraphy of Pliocene-Pleistocene sediments from the Yermak Plateau (Arctic Ocean, Hole 911A) |
1996 |
| details |
Middle Pleistocene |
Holocene |
Alaska(Gulf) |
Marret,F. et al. Middle Pleistocene to Holocene palynostratigraphy of Ocean Drilling Program Site 887 in the Gulf of Alaska, northeastern North Pacific. |
2001 |
| details |
Middle Pleistocene |
Holocene |
Alaska(Gulf) |
Marret,F. et al. Middle Pleistocene to Holocene palynostratigraphy of Ocean Drilling Program Site 887 in the Gulf of Alaska, northeastern North Pacific. |
2001 |