Rupelian
The Rupelian is, in the geologic timescale, the older of two ages or the lower of two stages of the Oligocene Epoch/Series. It spans the time between 33.9 and 27.82 Ma. It is preceded by the Priabonian Stage (part of the Eocene) and is followed by the Chattian Stage.
| Rupelian | |||||||||||||
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| Chronology | |||||||||||||
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| Formerly part of | Tertiary Period/System | ||||||||||||
| Etymology | |||||||||||||
| Name formality | Formal | ||||||||||||
| Usage information | |||||||||||||
| Celestial body | Earth | ||||||||||||
| Regional usage | Global (ICS) | ||||||||||||
| Time scale(s) used | ICS Time Scale | ||||||||||||
| Definition | |||||||||||||
| Chronological unit | Age | ||||||||||||
| Stratigraphic unit | Stage | ||||||||||||
| Time span formality | Formal | ||||||||||||
| Lower boundary definition | LAD of Planktonic Foraminiferans Hantkenina and Cribrohantkenina | ||||||||||||
| Lower boundary GSSP | Massignano quarry section, Massignano, Ancona, Italy 43.5328°N 13.6011°E | ||||||||||||
| Lower GSSP ratified | 1992 | ||||||||||||
| Upper boundary definition | LAD of the Planktonic Foraminifer Chiloguembelina (Base of Foram Zone P21b) | ||||||||||||
| Upper boundary GSSP | Monte Cagnero, Central Apennines, Italy 43.6466°N 13.4677°E | ||||||||||||
| Upper GSSP ratified | September 2016 | ||||||||||||
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