ICS chart
E693189
The ICS chart is the standardized global reference for geological time, defining and organizing the official chronostratigraphic units and boundaries used by geologists worldwide.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ICS chart canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7779884 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ICS chart Context triple: [International Chronostratigraphic Chart, abbreviation, ICS chart]
-
A.
Cash Box Top 100 top 40
Cash Box Top 100 top 40 was the upper segment of the Cash Box magazine’s main singles chart, highlighting the forty most popular songs in the United States during a given week.
-
B.
Billboard
"Billboard" is a prominent abstract expressionist painting by American artist Grace Hartigan, reflecting her dynamic style and engagement with contemporary culture.
-
C.
Billboard
Billboard is an American entertainment media brand best known for its music charts, industry news, and analysis of trends in the recording industry.
-
D.
Official Charts
Official Charts is the organization responsible for compiling and publishing the United Kingdom’s official music charts, including singles and albums rankings.
-
E.
American Top 40
American Top 40 is a long-running syndicated radio countdown show that ranks and showcases the most popular songs in the United States each week.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ICS chart Target entity description: The ICS chart is the standardized global reference for geological time, defining and organizing the official chronostratigraphic units and boundaries used by geologists worldwide.
-
A.
Cash Box Top 100 top 40
Cash Box Top 100 top 40 was the upper segment of the Cash Box magazine’s main singles chart, highlighting the forty most popular songs in the United States during a given week.
-
B.
Billboard
Billboard is an American entertainment media brand best known for its music charts, industry news, and analysis of trends in the recording industry.
-
C.
Billboard
"Billboard" is a prominent abstract expressionist painting by American artist Grace Hartigan, reflecting her dynamic style and engagement with contemporary culture.
-
D.
Official Charts
Official Charts is the organization responsible for compiling and publishing the United Kingdom’s official music charts, including singles and albums rankings.
-
E.
American Top 40
American Top 40 is a long-running syndicated radio countdown show that ranks and showcases the most popular songs in the United States each week.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic chart
ⓘ
geologic time scale ⓘ standardized global reference ⓘ |
| abbreviation | ICS ⓘ |
| appliesTo | Earth history ⓘ |
| contains |
color-coded time intervals
ⓘ
names of chronostratigraphic units ⓘ numerical ages of boundaries ⓘ ratified GSSP markers ⓘ |
| definedBy | International Commission on Stratigraphy ⓘ |
| defines |
Global Boundary Stratotype Sections and Points
ⓘ
linked to:
Global Boundary Stratotype Section and Point
ages ⓘ chronostratigraphic units ⓘ eons ⓘ epochs ⓘ eras ⓘ geochronologic units ⓘ periods ⓘ |
| format |
PDF
ⓘ
image ⓘ printable poster ⓘ |
| fullName | International Chronostratigraphic Chart ⓘ |
| governedBy | formal stratigraphic rules ⓘ |
| hasLanguageVersion |
English
ⓘ
other major world languages ⓘ |
| maintainedBy | International Commission on Stratigraphy ⓘ |
| parentOrganization | International Union of Geological Sciences ⓘ |
| publishedBy | International Commission on Stratigraphy ⓘ |
| purpose |
to define and organize official chronostratigraphic units
ⓘ
to provide a reference for geologic time boundaries ⓘ to standardize geological time terminology worldwide ⓘ |
| relatedTo |
International Stratigraphic Guide
ⓘ
linked to:
International Stratigraphic Guide framework
|
| scope | global geological time ⓘ |
| standardFor | official geological time scale ⓘ |
| timeSpanCovered | from the formation of Earth to the present ⓘ |
| updated | periodically ⓘ |
| updateFrequency | irregular, as new stratigraphic decisions are ratified ⓘ |
| usedAs |
reference in scientific publications
ⓘ
teaching tool in geology education ⓘ |
| usedBy |
geochronologists
ⓘ
geologists ⓘ paleontologists ⓘ stratigraphers ⓘ |
| usedIn |
geochronological dating
ⓘ
geological mapping ⓘ paleontological studies ⓘ stratigraphic correlation ⓘ |
| website | https://stratigraphy.org/chart ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: ICS chart Description of subject: The ICS chart is the standardized global reference for geological time, defining and organizing the official chronostratigraphic units and boundaries used by geologists worldwide.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
ICC