Table 4
Unconformities.
| Geologic contact | Time period |
|---|---|
| Three regional unconformities | Late Cretaceous to early Paleocene |
| Middle Eocene to late Eocene | |
| Early Miocene to middle Miocene | |
| Six local unconformities | Late Eocene to early Oligocene |
| Late Oligocene to early Miocene | |
| Middle Miocene to early Miocene | |
| Late Miocene to early Pliocene | |
| Late Pliocene to early Pleistocene | |
| Late Pleistocene to middle Pleistocene |