|
gptkbp:instanceOf
|
chronological dating system
|
|
gptkbp:basisFor
|
fossil specimen
radiometric dating
|
|
gptkbp:calendar
|
Cenozoic
Mesozoic
Paleozoic
|
|
gptkbp:currentEon
|
gptkb:Phanerozoic
|
|
gptkbp:describes
|
major events in Earth's history
|
|
gptkbp:dividedInto
|
eras
Earth's history
periods
ages
eons
epochs
|
|
gptkbp:earliestEon
|
gptkb:Hadean
|
|
gptkbp:firstEraOfPhanerozoic
|
Paleozoic
|
|
gptkbp:hasEon
|
gptkb:Archean
gptkb:Hadean
gptkb:Phanerozoic
gptkb:Proterozoic
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Geologic time scale
|
|
gptkbp:oldestKnownAge
|
about 4.6 billion years ago
|
|
gptkbp:period
|
gptkb:Permian
gptkb:Cambrian
gptkb:Neogene
gptkb:Devonian
gptkb:Carboniferous
gptkb:Silurian
gptkb:Ordovician
Quaternary
Cretaceous
Jurassic
Triassic
Paleogene
|
|
gptkbp:relatedTo
|
stratigraphy
biostratigraphy
chronostratigraphy
|
|
gptkbp:secondEraOfPhanerozoic
|
Mesozoic
|
|
gptkbp:standardizedBy
|
gptkb:International_Commission_on_Stratigraphy
|
|
gptkbp:thirdEraOfPhanerozoic
|
Cenozoic
|
|
gptkbp:usedFor
|
understanding evolution
dating rocks
correlating geological strata
dating fossils
|
|
gptkbp:usedIn
|
geology
paleontology
|
|
gptkbp:youngestKnownAge
|
present day
|
|
gptkbp:bfsParent
|
gptkb:International_Chronostratigraphic_Chart
|
|
gptkbp:bfsLayer
|
7
|