Organic Thermal Maturity | Spores/pollen coloration | Palynomorphs in OMA well | Thermal Alteration Index (TAI) | Vitrinite Reflectance (% R0) |
Immature |
|
| 1 1+ 2− 2 2+ 3− 3 3+ 4− 4 5 | 0.2% 0.3%
0.5%
0.9%
1.3% 2.0% 2.5% |
Mature phase; onset generation of oil | ||||
Dry gas to Barren |