Emsian–Eifelian boundary

E538406

chronostratigraphic boundary stage boundary

The Emsian–Eifelian boundary marks the internationally recognized transition between the Early and Middle Devonian periods in the geologic timescale.

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Statements (25)

Predicate	Object
instanceOf	chronostratigraphic boundary ⓘ stage boundary ⓘ
belongsTo	Paleozoic Era NERFINISHED ⓘ Phanerozoic Eon NERFINISHED ⓘ
chronologicRank	stage boundary within system ⓘ
definedBy	International Commission on Stratigraphy NERFINISHED ⓘ
follows	Emsian Stage NERFINISHED ⓘ
geologicPeriod	Devonian ⓘ
hasTemporalContext	Middle Paleozoic ⓘ
isBoundaryBetween	Devonian stages ⓘ
isReferenceFor	correlation of Devonian strata ⓘ
marksTransitionBetween	Early Devonian NERFINISHED ⓘ Middle Devonian NERFINISHED ⓘ
partOf	Devonian System NERFINISHED ⓘ
positionInTimeScale	boundary between Early and Middle Devonian ⓘ
precedes	Eifelian Stage NERFINISHED ⓘ
recognizedBy	International Union of Geological Sciences NERFINISHED ⓘ
separates	Eifelian Stage NERFINISHED ⓘ Emsian Stage NERFINISHED ⓘ
standardizedAs	Global boundary in the International Chronostratigraphic Chart ⓘ
timeScaleType	global standard chronostratigraphic scale ⓘ
usedIn	geochronology ⓘ geologic time scale ⓘ paleontology ⓘ stratigraphy ⓘ

Full triples — surface form annotated when it differs from this entity's canonical label.

Middle Devonian → startBoundary → Emsian–Eifelian boundary ⓘ