Global Boundary Stratotype Section and Point for base of Hettangian

E196701

Global Boundary Stratotype Section and Point chronostratigraphic reference point geological boundary stratotype

The Global Boundary Stratotype Section and Point for the base of the Hettangian is the internationally agreed geological reference point that marks the formal beginning of the Jurassic Period and the Mesozoic era’s post-Triassic recovery interval.

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All labels observed (3)

Label	Occurrences
GSSP for base of Hettangian	1
Global Boundary Stratotype Section and Point for base of Hettangian canonical	1
Triassic–Jurassic boundary GSSP	1

Statements (37)

Predicate	Object
instanceOf	Global Boundary Stratotype Section and Point ⓘ chronostratigraphic reference point ⓘ geological boundary stratotype ⓘ
appliesTo	Mesozoic Era ⓘ
approvedBy	International Union of Geological Sciences ⓘ
belongsToDiscipline	geology ⓘ stratigraphy ⓘ
definedBy	International Commission on Stratigraphy ⓘ
definesBoundaryBetween	Jurassic Period ⓘ surface form: Jurassic System Triassic ⓘ surface form: Triassic System
definesBoundaryType	chronostratigraphic boundary ⓘ
follows	Late Triassic ⓘ Rhaetian Stage ⓘ
hasAbbreviation	Global Boundary Stratotype Section and Point for base of Hettangian self-linksurface differs ⓘ surface form: GSSP for base of Hettangian
hasGlobalStatus	ratified international standard ⓘ
hasRank	stage boundary ⓘ
hasStratigraphicLevel	series boundary ⓘ stage boundary ⓘ system boundary ⓘ
hasTemporalContext	post-mass-extinction recovery after end-Triassic extinction ⓘ
hasTemporalPosition	earliest Jurassic ⓘ
isGlobalStandardFor	Triassic–Jurassic extinction event ⓘ surface form: Triassic–Jurassic boundary base of Hettangian Stage ⓘ base of Jurassic System ⓘ
isPartOf	International Chronostratigraphic Chart ⓘ surface form: International Stratigraphic Chart
isReferenceFor	chemostratigraphic studies of Triassic–Jurassic transition ⓘ paleontological zonation across Triassic–Jurassic boundary ⓘ sedimentological studies of Triassic–Jurassic transition ⓘ
marksBaseOf	Hettangian stage ⓘ surface form: Hettangian Stage Jurassic Period ⓘ Jurassic Period ⓘ surface form: Jurassic System Early Jurassic ⓘ surface form: Lower Jurassic Series post-Triassic recovery interval of the Mesozoic Era ⓘ
precedes	Pliensbachian ⓘ surface form: Sinemurian Stage
usedFor	geological time scale calibration ⓘ global chronostratigraphic correlation ⓘ intercontinental stratigraphic correlation ⓘ

Referenced by (3)

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

Early Jurassic → stratotypeDefinedBy → Global Boundary Stratotype Section and Point for base of Hettangian ⓘ

Global Boundary Stratotype Section and Point for base of Hettangian → hasAbbreviation → Global Boundary Stratotype Section and Point for base of Hettangian self-linksurface differs ⓘ

this entity surface form: GSSP for base of Hettangian

Triassic–Jurassic extinction event → stratigraphicMarker → Global Boundary Stratotype Section and Point for base of Hettangian ⓘ

this entity surface form: Triassic–Jurassic boundary GSSP