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Santonian: Stratigraphic definition & Overview

The Santonian is an age in the geologic timescale or a chronostratigraphic stage. It is a subdivision of the Late Cretaceous Epoch or Upper Cretaceous Series. It spans the time between 85.7 ± 0.2 mya (million years ago) and 83.6 ± 0.2 mya. The Santonian is preceded by the Coniacian and is followed by the Campanian.

Language: English [EN]
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Santonian topic overview

The analysis highlights Stratigraphic definition and Overview as prominent areas in the source structure around Santonian.

Related topics
33
Source areas
2
Connected nodes
37
Extracted relationships
49
Concept neighborhoods
17
Bridge connections
37

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.

Stratigraphic definition · 22 topics
Overview · 11 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 Inoceramid Bivalve Cladoceramus undulatoplicatus
Lower GSSP ratified
January 2013
Name formality
Formal
Regional usage
Global (ICS)

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

Stratigraphic definition

Literature

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 Santonian connects Entity context

The extracted context around Santonian shows recurring relationship patterns in the source. For example, Santonian → Bottaccione, Campanian Stage, Cladoceramus, Cretaceous Stratigraphy, French, GSSP, Gubbio, Henri Coquand, It, Italy, Marsupites, October, Olazagutia, Saintes, Saintonge, Santonian Stage, Spain, Subcommission, The, The GSSP Another extracted example is Santonian → Biostratigraphy, In, Lower, Middle, Placenticeras, Tethys, The Santonian, Upper Substages. Use these groups to spot repeated connection types before inspecting the individual relationships.

Santonian

Top relations

related to Stratigraphic definition · 22
Santonian → Bottaccione, Campanian Stage, Cladoceramus, Cretaceous Stratigraphy, French, GSSP, Gubbio, Henri Coquand, It, Italy, Marsupites, October, Olazagutia, Saintes, Saintonge, Santonian Stage, Spain, Subcommission, The, The GSSP
related to Subdivision · 8
Santonian → Biostratigraphy, In, Lower, Middle, Placenticeras, Tethys, The Santonian, Upper Substages
related to External links · 5
Santonian → GeoWhen Database, ICSStratigraphic, Late Cretaceous, Norges Network, SantonianLate Cretaceous
Celestial body · 1
Santonian → Earth
Chronological unit · 1
Santonian → Age
Lower boundary definition · 1
Santonian → FAD of the Inoceramid Bivalve Cladoceramus undulatoplicatus
Lower boundary GSSP · 1
Santonian → Olazagutia, Spain .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-mu…
Lower GSSP ratified · 1
Santonian → January 2013
Name formality · 1
Santonian → Formal
Regional usage · 1
Santonian → Global (ICS)

Important terminology

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

Important terminology

stage cretaceous ics subdivision campanian years ago late base upper time 85 stratigraphic gssp age coniacian mw-parser-output scale ratified 83

Santonian relationships Subject–Predicate–Object triples

TTTA extracted 49 structured relationships around Santonian. Examples in this analysis include Santonian → Celestial body → Earth and Santonian → Chronological unit → Age. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
SantonianCelestial bodyEarth1.00infobox
SantonianChronological unitAge1.00infobox
SantonianLower boundary definitionFAD of the Inoceramid Bivalve Cladoceramus undulatoplicatus1.00infobox
SantonianLower boundary GSSPOlazagutia, Spain .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-mu…1.00infobox
SantonianLower GSSP ratifiedJanuary 20131.00infobox
SantonianName formalityFormal1.00infobox
SantonianRegional usageGlobal (ICS)1.00infobox
SantonianStratigraphic unitStage1.00infobox
SantonianTime scale(s) usedICS Time Scale1.00infobox
SantonianTime span formalityFormal1.00infobox
SantonianUpper boundary definitionBase of Chron C33r1.00infobox
SantonianUpper boundary GSSPBottaccione, Gubbio, Italy 43°21′46″N 12°34′58″E / 43.3627°N 12.5828°E / 43.3627; 12.58281.00infobox
SantonianUpper GSSP ratifiedOctober 20221.00infobox
Santonianis aage in the geologic timescale or a chronostratigraphic stage0.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Santonian bring nearby vocabulary together. In this analysis, examples include Stage, Gssp and Ratified. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Santonian
    • Stage
    • Gssp
    • Ratified
    • Base
    • Ics
    • Cretaceous
    • Bivalve
    • Coniacian
    • Gubbio
    • Inoceramid
    • Italy
    • Olazagutia
  • santonian
    • Stage
    • Gssp
    • Ratified
    • Base
    • Ics
    • Cretaceous
    • Bivalve
    • Coniacian
    • Gubbio
    • Inoceramid
    • Italy
    • Olazagutia
  • million years ago
    • Ago
    • Years
    • Scale
    • Time
    • Ics
    • According
    • Age
    • Bivalve
    • Coniacian
    • Definition
    • Gubbio
    • Inoceramid
  • late cretaceous
    • Cretaceous
    • Late
    • Subdivision
    • Ics
    • According
    • K-pg
    • Mass
    • Stratigraphic
    • Coniacian
    • Santonian
    • Timescale
    • Ago
  • upper cretaceous
    • Late
    • Subdivision
    • Ics
    • According
    • K-pg
    • Mass
    • Stratigraphic
    • Santonian
    • Years
    • Coniacian
    • Definition
    • Olazagutia
  • stratigraphic definition
    • Ics
    • Mw-parser-output
    • Stratigraphic
    • According
    • Bivalve
    • Gubbio
    • Inoceramid
    • Italy
    • K-pg
    • Mass
    • Olazagutia
    • Gssp
  • age
    • Stage
    • Bivalve
    • Definition
    • Geologic
    • Gubbio
    • Inoceramid
    • Italy
    • Olazagutia
    • Timescale
    • Ago
    • Gssp
    • Mw-parser-output
  • stage
    • Base
    • Bivalve
    • Inoceramid
    • Olazagutia
    • Gssp
    • Ratified
    • Definition
    • Gubbio
    • Italy
    • Timescale
    • Ago
    • Campanian

Connections between topic areas Semantic bridges

For Santonian, one of the stronger structural bridges in this analysis connects Santonian 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.

Min side: 3
SantonianStratigraphic definition · splits 15 ⟂ 23
SantonianOverview · splits 26 ⟂ 12

Map overview Semantic statistics

Santonian

Nodes38
Edges37
Triples49
Avg. degree1.95
Density0.052632
Components1

Source & methodology

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

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

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