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The Eocene (.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}IPA: /ˈiːəsiːn, ˈiːoʊ-/ EE-ə-seen, EE-oh-) is a geological epoch that began about 56 million years ago (Ma). It is the second epoch of the…
Geography & Regions
Explore the main themes, entities and connections around Eocene. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Eocene | Celestial body | Earth | 1.00 | infobox |
| Eocene | Chronological unit | Epoch | 1.00 | infobox |
| Eocene | Lower boundary definition | Strong negative anomaly in δ13C values at the PETM | 1.00 | infobox |
| Eocene | Lower boundary GSSP | Dababiya section, Luxor, Egypt .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-o… | 1.00 | infobox |
| Eocene | Lower GSSP ratified | 2003 | 1.00 | infobox |
| Eocene | Name formality | Formal | 1.00 | infobox |
| Eocene | Regional usage | Global (ICS) | 1.00 | infobox |
| Eocene | Stratigraphic unit | Series | 1.00 | infobox |
| Eocene | Time scale(s) used | ICS Time Scale | 1.00 | infobox |
| Eocene | Time span formality | Formal | 1.00 | infobox |
| Eocene | Upper boundary definition | LAD of Planktonic Foraminifers Hantkenina and Cribrohantkenina [es] | 1.00 | infobox |
| Eocene | Upper boundary GSSP | Massignano quarry section, Massignano [sh], Ancona, Italy 43°31′58″N 13°36′04″E / 43.5328°N 13.6011°E / 43.5328; 13.6011 | 1.00 | infobox |
| Eocene | Upper GSSP ratified | 1992 | 1.00 | infobox |
| Eocene | is a | Eocene-Oligocene transition | 0.90 | text |
| Eocene | is a | dynamic epoch that represents global climatic transitions between two climatic extremes | 0.90 | text |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.