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The Selandian is a stage in the Paleocene. It spans the time between 61.66 and 59.24 Ma. It is preceded by the Danian and followed by the Thanetian. Sometimes the Paleocene is subdivided in subepochs, in which the Selandian forms the "middle Paleocene".
The analysis highlights Stratigraphic definition, Fauna and Flora and Overview as prominent areas in the source structure around Selandian.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
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The extracted context around Selandian shows recurring relationship patterns in the source. For example, Selandian → Alfred Rosenkrantz, Basque Country, Danish, Denmark, Fasciculithus, Global Boundary Stratotype Section, GSSP, Itzurun, Neochiastozygus, NP4, NP5, Point, Sjælland, Spain, The Selandian, Zealand, Zumaia Another extracted example is Selandian → stage in the Paleocene, unconformity. Use these groups to spot repeated connection types before inspecting the individual relationships.
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paleogene ics stage time 40 years thanetian 59 paleocene base millions ago stratigraphic danian north mass age ma petm part
TTTA extracted 34 structured relationships around Selandian. Examples in this analysis include Selandian → Celestial body → Earth and Selandian → Chronological unit → Age. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Selandian | Celestial body | Earth | 1.00 | infobox |
| Selandian | Chronological unit | Age | 1.00 | infobox |
| Selandian | Formerly part of | Tertiary Period/System | 1.00 | infobox |
| Selandian | Lower boundary definition | Onset of sea-level drop and carbon isotope shift | 1.00 | infobox |
| Selandian | Lower GSSP ratified | 2008 | 1.00 | infobox |
| Selandian | Name formality | Formal | 1.00 | infobox |
| Selandian | Regional usage | Global (ICS) | 1.00 | infobox |
| Selandian | Stratigraphic unit | Stage | 1.00 | infobox |
| Selandian | Time scale(s) used | ICS Time Scale | 1.00 | infobox |
| Selandian | Time span formality | Formal | 1.00 | infobox |
| Selandian | Upper boundary definition | Base of magnetic polarity chronozone C26n | 1.00 | infobox |
| Selandian | Upper boundary GSSP | Zumaia Section, Basque Country, Spain 43°17′59″N 2°15′39″W / 43.2996°N 2.2609°W / 43.2996; -2.2609 | 1.00 | infobox |
| Selandian | Upper GSSP ratified | 2008 | 1.00 | infobox |
| Selandian | is a | stage in the Paleocene | 0.90 | text |
| Selandian | is a | unconformity | 0.90 | text |
The concept neighborhoods around Selandian bring nearby vocabulary together. In this analysis, examples include Base, Ics and Stage. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Selandian, one of the stronger structural bridges in this analysis connects Selandian with Stratigraphic definition. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Selandian to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Stratigraphic definition, Fauna and Flora & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Selandian · EN edition · Analysis: TopicsToTalkAbout
