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Geologic time scale: History, Measurement & Standards
The geologic time scale or geological time scale describes how geologic time is divided into standardised intervals. It uses the rock record together with the principles of chronostratigraphy to place rock sequences into their relative age positions, and geochronology techniques, such as radiometric dating, to precisely date the boundaries between them.…
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Geologic time scale topic overview
The analysis highlights History, Measurement and Standards as prominent areas in the source structure around Geologic time scale.
Related topics
193
Source areas
8
Connected nodes
201
Extracted relationships
100
Related term clusters
28
Bridge connections
201
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.
History of the geologic time scale · 69 topics
Divisions of geologic time · 36 topics
Overview · 33 topics
Principles · 24 topics
Extraterrestrial geologic time scales · 21 topics
Naming of geologic time · 6 topics
Major proposed revisions to the ICC · 3 topics
Table of geologic time · 1 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.
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Geologic time scale
14Chronostratigraphy · Geochronology · Radiometric dating
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
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.
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Advanced semantic analysis
How Geologic time scale connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Geologic time scale shows recurring relationship patterns in the source. For example, Geologic time scale → Alexandre Brongniart, Anton Moro, Biblical, Charles Lyell, Deluge, Earth, Edinburgh, Geology, Georges Cuvier, Giovanni Arduino, Giovanni Targioni Tozzetti, Halloy, Hutton's, ICC/GTS, James Hutton, James Ussher, Jean, John Playfair, Many, Omalius Another extracted example is Geologic time scale → Archean, Chicxulub, Cretaceous, Ediacaran, Global Boundary Stratotype Section, Global Standard Stratigraphic Ages, GSSP, Hadean, Historically, Oued Djerfane, Paleogene, Paleogene System, Point, Proposals, The ICS, The Proterozoic, Tunisia, Whilst. Use these groups to spot repeated connection types before inspecting the individual relationships.
Geologic time scale
Top relations
related to Formulation of a modern geologic time scale· 30
Geologic time scale → Alexandre Brongniart, Anton Moro, Biblical, Charles Lyell, Deluge, Earth, Edinburgh, Geology, Georges Cuvier, Giovanni Arduino, Giovanni Targioni Tozzetti, Halloy, Hutton's, ICC/GTS, James Hutton, James Ussher, Jean, John Playfair, Many, Omalius
related to Global Boundary Stratotype Section and Point (GSSP)· 18
Geologic time scale → Archean, Chicxulub, Cretaceous, Ediacaran, Global Boundary Stratotype Section, Global Standard Stratigraphic Ages, GSSP, Hadean, Historically, Oued Djerfane, Paleogene, Paleogene System, Point, Proposals, The ICS, The Proterozoic, Tunisia, Whilst
related to Modern international geological time scale· 13
Geologic time scale → Commission, Following, Geological Time Scale, GTS, Holmes, ICC, ICS, ICS International Chronostratigraphic Chart, IUGS, One, Stratigraphy, Subsequent Geologic Time Scale, The ICS
related to Lunar (selenological) time scale· 12
Geologic time scale → Copernican, Earth's, Earth's Moon, Eratosthenian, Five, Imbrian, Lunar, Moon's, Nectarian, Pre-Nectarian, Solar System, The Moon
related to Table of geologic time· 9
Geologic time scale → Earth, Earth's, ICS, International Chronostratigraphic Chart, International Commission, Ma, Phanerozoic, Phanerozoic Eon, Stratigraphy
related to Divisions of geologic time· 7
Geologic time scale → Ga, International Chronostratigraphic Chart, International Commission, Jurassic Period, Ma, Other SI, Stratigraphy
is a· 1
Geologic time scale → way of representing deep time based on events that have occurred throughout Earth's history
related to Principles· 1
Geologic time scale → Earth's
Important terminology
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
Geologic time scale relationships Subject–Predicate–Object triples
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 100 structured relationships around Geologic time scale. Examples in this analysis include Geologic time scale → is a → way of representing deep time based on events that have occurred throughout Earth's history and lithologies → instance of → The time scale has been developed through the study of rock layers and the observation of their relationships and identifying features. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Geologic time scale
is a
way of representing deep time based on events that have occurred throughout Earth's history
0.90
text
lithologies
instance of
The time scale has been developed through the study of rock layers and the observation of their relationships and identifying features
0.80
text
paleomagnetic properties
instance of
The time scale has been developed through the study of rock layers and the observation of their relationships and identifying features
0.80
text
and fossils
instance of
The time scale has been developed through the study of rock layers and the observation of their relationships and identifying features
0.80
text
Girolamo Fracastoro shared da Vinci's views
instance of
scholars
0.80
text
and found the attribution of fossils to the 'Deluge' absurd
instance of
scholars
0.80
text
the formation of the Solar System
instance of
It included a proposal to substantially revise the pre-Cryogenian time scale to reflect important events
0.80
text
the Great Oxidation Event
instance of
It included a proposal to substantially revise the pre-Cryogenian time scale to reflect important events
0.80
text
among others
instance of
It included a proposal to substantially revise the pre-Cryogenian time scale to reflect important events
0.80
text
while at the same time maintaining most of the previous chronostratigraphic nomenclature for the pertinent time span
instance of
It included a proposal to substantially revise the pre-Cryogenian time scale to reflect important events
0.80
text
Geologic time scale
related to Divisions of geologic time
International Commission
0.60
section
Geologic time scale
related to Divisions of geologic time
Stratigraphy
0.60
section
No triples extracted yet.
Related concept clusters Related term clusters
Related term clusters group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Geologic time scale bring nearby vocabulary together. In this analysis, examples include Scale, Time and History. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
Geologic time scale
Scale
Time
History
Earth
Geological
International
Chronostratigraphic
Stratigraphy
Defined
Earth's
Based
Units
earth's history
Earth's
History
Scale
Ages
Time
Relative
Geologic
Global
International
Based
Names
Geological
geologic history
Scale
Time
Earth's
History
Earth
Geological
International
Chronostratigraphic
Stratigraphy
Defined
Based
Units
geologic time scale
Scale
Time
History
Geological
Earth's
Earth
International
Chronostratigraphic
Stratigraphy
Defined
Based
Units
earth scientists
Time
Names
History
Geologic
Scale
Era
Geological
Relationships
Formed
Erathem
Based
Used
international union of geological sciences
Global
Chronostratigraphic
Scale
Stratigraphy
Time
History
International
Ages
Ics
Units
Divisions
Rocks
global standard stratigraphic ages
International
Relative
Earth's
Geological
Rocks
Named
Divisions
Erathem
Ics
Chronostratigraphic
Based
Era
theory of the earth
Time
Names
History
Geologic
Scale
Era
Geological
Relationships
Formed
Erathem
Based
Used
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Geologic time scale, one of the stronger structural bridges in this analysis connects Geologic time scale with History of the geologic time scale. 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
Geologic time scale — History of the geologic time scale· splits 132 ⟂ 70Geologic time scale — Divisions of geologic time· splits 165 ⟂ 37Geologic time scale — Overview· splits 168 ⟂ 34Geologic time scale — Principles· splits 177 ⟂ 25Geologic time scale — Extraterrestrial geologic time scales· splits 180 ⟂ 22Geologic time scale — Naming of geologic time· splits 195 ⟂ 7Geologic time scale — Major proposed revisions to the ICC· splits 198 ⟂ 4
Map overview Semantic statistics
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Geologic time scale
Nodes202
Edges201
Triples100
Avg. degree1.99
Density0.009901
Components1
Source & methodology
TTTA analyzes the structure around Geologic time scale to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Measurement & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
