Table 5
History of the Cenozoic tectonic evolution.
| Time period | Sub-periods | Tectonic regime | Principle stress |
||
|---|---|---|---|---|---|
| Maximum compressive stress axis (σ1) | Intermediate compressive stress axis (σ2) | Minimum compressive stress axis (σ3) | |||
| Paleocene to middle Eocene (S1) | Vertical | NNE–SSW | WNW–ESE | ||
| Middle–late Eocene to early Miocene (S2) | Middle Eocene to late Eocene (S2.1) | Vertical | ENE–WSW | NNW–SSE | |
| Oligocene (S2.2) | Strike-slip | Sub-E–W | Vertical | Sub-N–S | |
| Early Miocene (S2.3) | Strike-slip | NE–SW | Vertical | NW–SE | |
| Middle Miocene–Quaternary (S3) | Middle Miocene to late Miocene (S3.1) | Shallow plunge angle | NNW–SSE | Vertical | ENE–WSW |
| Pliocene to early Pleistocene (S3.2) | Sub-N–S direction | Vertical | sub-E–W | ||
| Middle–late Pleistocene to Holocene (S3.3) | NNW–SSE (low plunge angle) | Sub-vertical | ENE–WSW | ||