|
gptkbp:instanceOf
|
chronological framework
|
|
gptkbp:basisFor
|
biostratigraphy
chronostratigraphy
|
|
gptkbp:CambrianStart
|
about 541 million years ago
|
|
gptkbp:CenozoicPeriods
|
gptkb:Neogene
Quaternary
Paleogene
|
|
gptkbp:CretaceousEnd
|
about 66 million years ago
|
|
gptkbp:currentEon
|
gptkb:Phanerozoic
|
|
gptkbp:developedBy
|
geologists
|
|
gptkbp:dividedInto
|
eras
periods
ages
eons
epochs
|
|
gptkbp:HoloceneStart
|
about 11,700 years ago
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Geologic Time Scale
|
|
gptkbp:JurassicStart
|
about 201 million years ago
|
|
gptkbp:largestDivision
|
eon
|
|
gptkbp:MesozoicPeriods
|
Cretaceous
Jurassic
Triassic
|
|
gptkbp:PaleozoicPeriods
|
gptkb:Permian
gptkb:Cambrian
gptkb:Devonian
gptkb:Carboniferous
gptkb:Silurian
gptkb:Ordovician
|
|
gptkbp:PhanerozoicEras
|
Cenozoic
Mesozoic
Paleozoic
|
|
gptkbp:PleistoceneStart
|
about 2.58 million years ago
|
|
gptkbp:previousEon
|
gptkb:Archean
gptkb:Hadean
gptkb:Proterozoic
|
|
gptkbp:proposedBy
|
19th century
|
|
gptkbp:publishedIn
|
gptkb:International_Chronostratigraphic_Chart
|
|
gptkbp:QuaternaryEpochs
|
gptkb:Pleistocene
Holocene
|
|
gptkbp:relatedTo
|
fossil specimen
radiometric dating
|
|
gptkbp:smallestDivision
|
age
|
|
gptkbp:standardizedBy
|
gptkb:International_Commission_on_Stratigraphy
|
|
gptkbp:usedBy
|
geologists
paleontologists
earth scientists
|
|
gptkbp:usedFor
|
understanding Earth's history
dating geological strata
|
|
gptkbp:bfsParent
|
gptkb:International_Commission_on_Stratigraphy
|
|
gptkbp:bfsLayer
|
7
|