Neogene
E50223
The Neogene is a geologic period of the Cenozoic Era characterized by significant climatic cooling, the diversification of mammals and birds, and the emergence and evolution of early hominins.
Observed surface forms (4)
| Surface form | As subject | As object |
|---|---|---|
| Neogene Period | 0 | 3 |
| Neogene period | 0 | 2 |
| Miocene | 0 | 1 |
| Miocene Epoch | 0 | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic unit
→
geologic period → |
| characterizedBy |
continued breakup and rearrangement of continents
→
development of Antarctic ice sheets → diversification of birds → diversification of mammals → evolution of early hominins → expansion of grasslands → global climatic cooling → increasing aridity in many regions → modern-style ocean circulation patterns → onset and strengthening of Northern Hemisphere glaciation toward its end → |
| contains |
Miocene
→
Pliocene epoch →
surface form:
Pliocene
|
| definedBy | International Commission on Stratigraphy → |
| endTime | approximately 2.58 million years ago → |
| followedBy | Quaternary → |
| follows | Paleogene → |
| hasLowerBoundaryDefinedBy | base of the Miocene → |
| hasMajorEvent |
Mediterranean Sea desiccation and reflooding
→
Messinian Salinity Crisis (late Miocene) → appearance of the genus Homo near its end → closure of the Tethys Ocean remnants → development of modern marine plankton communities → evolution and diversification of apes → formation of the Isthmus of Panama (late Neogene) → intensification of the Gulf Stream → major faunal exchanges between continents → modernization of terrestrial plant communities → progressive closure of the Central American Seaway → radiation of grazing mammals → spread of C4 grasses → uplift of the Andes (continuing) → uplift of the Himalayas and Tibetan Plateau (continuing) → |
| hasStratotype | Global Boundary Stratotype Section and Point for its base → |
| hasUpperBoundaryDefinedBy | base of the Pleistocene → |
| locationOfTypeSection | Lemme-Carrosio section, Italy (Miocene GSSP) → |
| partOf |
Cenozoic
→
surface form:
Cenozoic Era
Cenozoic thermal and climatic evolution → Phanerozoic Eon → |
| precededBy | Paleogene climatic optimums → |
| startTime | approximately 23.03 million years ago → |
| subdividedInto |
Early Miocene
→
Pliocene epoch →
surface form:
Early Pliocene
Late Miocene → Pliocene epoch →
surface form:
Late Pliocene
Middle Miocene → |
| timeSpan | Miocene and Pliocene epochs → |
| usedIn | geologic time scale → |
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Neogene Period
this entity surface form:
Neogene period
this entity surface form:
Neogene period
this entity surface form:
Miocene
this entity surface form:
Neogene Period
this entity surface form:
Neogene Period
subject surface form:
Great American Biotic Interchange