geologiska perioder
scope note: Geologisten kausien nimiä voi käyttää asiasanoina, esim. jurakausi
scope note: Namnen på olika geologiska perioder kan användas som ämnesord, t.ex. jura
narrower: mesozoicum
narrower: prekambrium
narrower: kenozoicum
narrower: istider
narrower: tertiärperioden
narrower: paleozoicum
narrower: arkeiska eonen
narrower: proterozooiska eran
narrower: kvartärperioden
alternative label: geologinen ajanlasku @fi
alternative label: maailmankaudet @fi
alternative label: eror
alternative label: geologisk tideräkning
preferred label: geologiset kaudet @fi
preferred label: geological eras @en
related: geokronologi (metoder)
related: tidsperioder
related: klimatperioder
related: geokronologi (verksamhet)
broader: naturvetenskaplig tidsperiod
in scheme: conceptscheme
type: Concept

prekambrium
preferred label: prekambrinen maailmankausi @fi
preferred label: pre-cambrian era @en
type: Concept
broader: geologiska perioder

naturvetenskaplig tidsperiod
preferred label: period of time in natural history @en
preferred label: luonnontieteellinen ajanjakso @fi
type: Concept
narrower: geologiska perioder

tidsperioder
preferred label: ages @en
preferred label: aikakaudet @fi
type: Concept
related: geologiska perioder

kvartärperioden
preferred label: quaternary period @en
preferred label: kvartäärikausi @fi
type: Concept
broader: geologiska perioder

istider
preferred label: ice ages @en
preferred label: jääkaudet @fi
type: Concept
broader: geologiska perioder

geokronologi (metoder)
preferred label: geokronologia (menetelmät) @fi
preferred label: geochronology @en
type: Concept
related: geologiska perioder

geokronologi (verksamhet)
preferred label: geokronologia (toiminta) @fi
preferred label: geochronology @en
type: Concept
related: geologiska perioder

paleozoicum
preferred label: paleotsooinen maailmankausi @fi
preferred label: palaeozoic era @en
type: Concept
broader: geologiska perioder

tertiärperioden
preferred label: tertiäärikausi @fi
preferred label: tertiary period @en
type: Concept
broader: geologiska perioder

mesozoicum
preferred label: mesozoic era @en
preferred label: mesotsooinen maailmankausi @fi
type: Concept
broader: geologiska perioder

arkeiska eonen
preferred label: archaean era @en
preferred label: arkeeinen kausi @fi
type: Concept
broader: geologiska perioder

klimatperioder
preferred label: climatic periods @en
preferred label: ilmastokaudet @fi
type: Concept
related: geologiska perioder

kenozoicum
preferred label: cenozoic era @en
preferred label: kenotsooinen maailmankausi @fi
type: Concept
broader: geologiska perioder

proterozooiska eran
preferred label: proterozoic era @en
preferred label: proterotsooinen kausi @fi
type: Concept
broader: geologiska perioder