Miocene
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Miocene

Birth and death years unknown

The Miocene ( MY-ə-seen, -⁠oh-) is the first geological epoch of the Neogene Period and extends from about 23.04 to 5.333 million years ago (Ma). The Miocene was named by Scottish geologist Charles Lyell and comes from Ancient Greek μείων (meíōn), lit. 'less', and καινός (kainós), lit. 'new' or 'recent', and thus means "less recent", because it has 18% fewer modern marine invertebrates than the Pl

* Calculated from Wikipedia data.
Accuracy is not guaranteed.

Miocene
23.04 – 5.333 Ma
A map of Earth as it appeared 15 million years ago during the Miocene Epoch, Langhian Age
Chronology
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Oligocene
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Pleistocene
Aquitanian
Burdigalian
Langhian
Serravallian
Tortonian
Messinian
Zanclean
Piacenzian
 
 
 
 
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North American prairie expands
Subdivision of the Neogene according to the ICS, as of 2024.
Vertical axis scale: Millions of years ago
Etymology
Name formalityFormal
Usage information
Celestial bodyEarth
Regional usageGlobal (ICS)
Time scale(s) usedICS Time Scale
Definition
Chronological unitEpoch
Stratigraphic unitSeries
Time span formalityFormal
Lower boundary definition
Lower boundary GSSPLemme-Carrosio Section, Carrosio, Italy
44°39′32″N 8°50′11″E / 44.6589°N 8.8364°E / 44.6589; 8.8364
Lower GSSP ratified1996
Upper boundary definitionBase of the Thvera magnetic event (C3n.4n), which is only 96 ka (5 precession cycles) younger than the GSSP
Upper boundary GSSPHeraclea Minoa section, Heraclea Minoa, Cattolica Eraclea, Sicily, Italy
37°23′30″N 13°16′50″E / 37.3917°N 13.2806°E / 37.3917; 13.2806
Upper GSSP ratified2000

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