NN18 zone
2.4 - 1.9 Ma
The definition of this interval in the timescale Calcareous Nannoplankton Zones is taken from the following source:
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
There are intervals in 12 timescales which overlap this one. show
This interval is used in the definition of 453 collections
A total of 1260 collections with 12313 occurrences lie within this time span
International Chronostratigraphic Timescale | Calcareous Nannoplankton Zones | |||
---|---|---|---|---|
Quaternary | Holocene | Meghalayan | NN21 | 0 |
Northgrippian | 0.0042 | |||
Greenlandian | 0.0082 | |||
Pleistocene | Late Pleistocene | 0.0117 | ||
Chibanian | 0.129 | |||
NN20 | 0.29 | |||
NN19 | 0.42 | |||
Calabrian | 0.774 | |||
Gelasian | 1.8 | |||
NN18 | 1.9 | |||
NN17 | 2.4 | |||
NN16 | 2.5 | |||
2.58 | ||||
3.75 |