Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
age  | |
|---|---|
| RT | absolute age |
| exposure age | |
| ground water | |
| maturity | |
| ocean basins | |
| P-T-t paths | |
| relative age | |
| residence time | |
| age determination | |
|---|---|
| SN | Not a valid term for GeoRef. For absolute age determination, use absolute age in conjunction with dates. See relative age for specific methods. |
| Ager Formation | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Paleogene | |
| ....Eocene | |
| .....lower Eocene | |
| ......Ager Formation | |
| RT | Spain |
| SN | Catalonia and the Pyrenees. |