startBoundary

P64686
predicate

Indicates the point, limit, or marker where something begins or where a specified interval, region, or process first comes into effect.

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All labels observed (5)

Label Occurrences
startBoundary canonical 4
startBoundaryDefinedBy 3
blockStart 2

Description generation (PDg)

The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.

Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'
Input
Predicate: startBoundary
Generated description
Indicates the point, limit, or marker where something begins or where a specified interval, region, or process first comes into effect.

Sample triples (12)

Subject Object
Middle Devonian Emsian–Eifelian boundary ⓘ
Late Triassic Carnian age ⓘ
Cryptozoic formation of Earth ⓘ
Terreneuvian first appearance of complex trace fossils via predicate surface "startBoundaryDefinedBy" ⓘ
Terreneuvian first appearance of widespread complex animal life in the fossil record via predicate surface "startBoundaryDefinedBy" ⓘ
Terreneuvian base of Cambrian via predicate surface "startBoundaryMarks" ⓘ
Terreneuvian base of Phanerozoic via predicate surface "startBoundaryMarks" ⓘ
Early Cretaceous Cretaceous–Jurassic boundary NERFINISHED ⓘ
Deşli Caira section, Romania
surface form: Deşli Caira section
Olenekian–Anisian boundary via predicate surface "stageBoundary" ⓘ
Supplemental Arrows-A U+27F0 via predicate surface "blockStart" ⓘ
Miscellaneous Mathematical Symbols-B U+2980 via predicate surface "blockStart" ⓘ
Sheinwoodian first appearance datum of the graptolite Cyrtograptus centrifugus via predicate surface "startBoundaryDefinedBy" ⓘ