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Emsian: Events, Biological events & Overview

The Emsian is one of three faunal stages in the Early Devonian Epoch. It lasted from 410.62 ±1.95 million years ago to 393.47 ±0.99 million years ago. It was preceded by the Pragian Stage and followed by the Eifelian Stage. It is named after the Ems river in Germany. The GSSP is located in the Zinzil'ban Gorge in the Kitab State Geological Reserve of…

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Emsian topic overview

The analysis highlights Events, Biological events and Overview as prominent areas in the source structure around Emsian.

Related topics
16
Source areas
2
Connected nodes
18
Extracted relationships
14
Concept neighborhoods
13
Bridge connections
18

What this topic covers Research coverage

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.

Overview · 9 topics
Biological events · 7 topics

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.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Celestial body
Earth
Chronological unit
Age
Lower boundary definition
FAD of the conodont Polygnathus kitabicus
Lower GSSP ratified
1995
Name formality
Formal
Name ratified
1985

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Biological events

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Emsian connects Entity context

The extracted context around Emsian shows recurring relationship patterns in the source. For example, Emsian → Earth Another extracted example is Emsian → Age. Use these groups to spot repeated connection types before inspecting the individual relationships.

Emsian

Top relations

Celestial body · 1
Emsian → Earth
Chronological unit · 1
Emsian → Age
Lower boundary definition · 1
Emsian → FAD of the conodont Polygnathus kitabicus
Lower boundary GSSP · 1
Emsian → Zinzil'ban Gorge, Uzbekistan .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-out…
Lower GSSP ratified · 1
Emsian → 1995
Name formality · 1
Emsian → Formal
Name ratified · 1
Emsian → 1985
Regional usage · 1
Emsian → Global (ICS)
Stratigraphic unit · 1
Emsian → Stage
Time scale(s) used · 1
Emsian → ICS Time Scale

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

stage eifelian early devonian pragian uzbekistan germany event 410 62 95 years ago 393 47 99 gssp zinzil'ban gorge time

Emsian relationships Subject–Predicate–Object triples

TTTA extracted 14 structured relationships around Emsian. Examples in this analysis include Emsian → Celestial body → Earth and Emsian → Chronological unit → Age. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
EmsianCelestial bodyEarth1.00infobox
EmsianChronological unitAge1.00infobox
EmsianLower boundary definitionFAD of the conodont Polygnathus kitabicus1.00infobox
EmsianLower boundary GSSPZinzil'ban Gorge, Uzbekistan .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-out…1.00infobox
EmsianLower GSSP ratified19951.00infobox
EmsianName formalityFormal1.00infobox
EmsianName ratified19851.00infobox
EmsianRegional usageGlobal (ICS)1.00infobox
EmsianStratigraphic unitStage1.00infobox
EmsianTime scale(s) usedICS Time Scale1.00infobox
EmsianTime span formalityFormal1.00infobox
EmsianUpper boundary definitionFAD of the conodont Polygnathus costatus partitus1.00infobox
EmsianUpper boundary GSSPWetteldorf Richtschnitt section, Wetteldorf, Eifel, Germany 50°08′59″N 6°28′18″E / 50.1496°N 6.4716°E / 50.1496; 6.47161.00infobox
EmsianUpper GSSP ratified19851.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Emsian bring nearby vocabulary together. In this analysis, examples include Devonian, Early and Time. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Emsian
    • Devonian
    • Early
    • Time
    • Stage
    • Epoch
    • Faunal
    • One
    • Stages
    • Three
    • Ago
    • Eifelian
    • End
  • emsian
    • Devonian
    • Early
    • Time
    • Stage
    • Epoch
    • Faunal
    • One
    • Stages
    • Three
    • Ago
    • Eifelian
    • End
  • early devonian
    • Devonian
    • Early
    • Emsian
    • Epoch
    • Faunal
    • One
    • Stages
    • Three
    • Ago
    • Eifelian
    • End
    • Extinction
  • zinzil'ban gorge
    • Gorge
    • Gssp
    • Uzbekistan
    • Zinzil'ban
    • Ago
    • Agoniatitid
    • Ammonoid
    • Devonian
    • Early
    • Eifelian
    • End
    • Extinction
  • agoniatitid
    • Givetian
    • Upper
    • Event
    • Ammonoid
    • Ammonoids
    • Devonian
    • Early
    • Eifelian
    • End
    • Extinction
    • Fossils
    • Germany
  • ammonoid
    • End
    • Extinction
    • Fossils
    • Mass
    • Event
    • Ammonoids
    • Devonian
    • Early
    • Eifelian
    • Germany
    • Givetian
    • Gorge
  • eifelian
    • Pragian
    • Stage
    • Followed
    • Preceded
    • Agoniatitid
    • Ammonoid
    • End
    • Extinction
    • Fossils
    • Germany
    • Givetian
    • Gorge
  • pragian
    • Eifelian
    • Stage
    • Followed
    • Preceded
    • Agoniatitid
    • Ammonoid
    • End
    • Extinction
    • Fossils
    • Germany
    • Givetian
    • Gorge

Connections between topic areas Semantic bridges

For Emsian, one of the stronger structural bridges in this analysis connects Emsian with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Emsian — Overview · splits 9 ⟂ 10
Emsian — Biological events · splits 11 ⟂ 8

Map overview Semantic statistics

Emsian

Nodes19
Edges18
Triples14
Avg. degree1.89
Density0.105263
Components1

Source & methodology

TTTA analyzes the structure around Emsian to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Events, Biological events & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Emsian · EN edition · Analysis: TopicsToTalkAbout

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