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

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International Chronostratigraphic TimescaleCalcareous Nannoplankton Zones
QuaternaryHoloceneMeghalayanNN210
Northgrippian0.0042
Greenlandian0.0082
PleistoceneLate Pleistocene0.0117
Chibanian0.129
NN200.29
NN190.42
Calabrian0.774
Gelasian1.8
NN181.9
NN172.4
NN162.5
2.58
3.75