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The Chattian is, in the geologic timescale, the younger of two ages or upper of two stages of the Oligocene Epoch/Series. It spans the time between 27.3 and 23.04 Ma. The Chattian is preceded by the Rupelian and is followed by the Aquitanian (the lowest stage of the Miocene).
Events, Stratigraphic definition & Volcanic event
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paleogene stage upper ics ma time 27 ago stratigraphic aquitanian scale 04 50 millions years gssp extinction foram rupelian geologic
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Chattian | Celestial body | Earth | 1.00 | infobox |
| Chattian | Chronological unit | Age | 1.00 | infobox |
| Chattian | Formerly part of | Tertiary Period/System | 1.00 | infobox |
| Chattian | Lower boundary definition | LAD of the Planktonic Foraminifer Chiloguembelina (Base of Foram Zone P21b) | 1.00 | infobox |
| Chattian | Lower boundary GSSP | Monte Cagnero, Central Apennines, Italy .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw… | 1.00 | infobox |
| Chattian | Lower GSSP ratified | September 2016 | 1.00 | infobox |
| Chattian | Name formality | Formal | 1.00 | infobox |
| Chattian | Regional usage | Global (ICS) | 1.00 | infobox |
| Chattian | Stratigraphic unit | Stage | 1.00 | infobox |
| Chattian | Time scale(s) used | ICS Time Scale | 1.00 | infobox |
| Chattian | Time span formality | Formal | 1.00 | infobox |
| Chattian | Upper boundary definition | Base of magnetic polarity chronozone C6Cn.2n. | 1.00 | infobox |
| Chattian | Upper boundary definition | FAD of the Planktonic Foraminiferan Paragloborotalia kugleri | 1.00 | infobox |
| Chattian | Upper boundary GSSP | Lemme-Carrosio Section, Carrosio, Italy 44°39′32″N 8°50′11″E / 44.6589°N 8.8364°E / 44.6589; 8.8364 | 1.00 | infobox |
| Chattian | Upper GSSP ratified | 1996 | 1.00 | infobox |
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