Global Boundary Stratotype Section and Point (GSSP)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:stratigraphic_boundary_marker
gptkbp:abbreviation	gptkb:GSSP
gptkbp:alsoKnownAs	golden spike
gptkbp:criteria	permanent protection easily accessible contain secondary markers (e.g., chemical, paleomagnetic) contain primary marker (e.g., fossil event) freedom of access global correlation potential published description well-preserved stratigraphic section
gptkbp:definedIn	gptkb:International_Commission_on_Stratigraphy
gptkbp:establishedIn	1977
gptkbp:example	gptkb:Cretaceous/Paleogene_boundary_at_El_Kef,_Tunisia gptkb:Paleocene/Eocene_boundary_at_Dababiya,_Egypt gptkb:Permian/Triassic_boundary_at_Meishan,_China
gptkbp:governingBody	gptkb:International_Union_of_Geological_Sciences
gptkbp:numberOfGSSPs	over 70 (as of 2023)
gptkbp:purpose	define boundaries of stages on the geologic time scale
gptkbp:relatedConcept	gptkb:Global_Standard_Stratigraphic_Age_(GSSA) gptkb:geologic_time_scale gptkb:chronostratigraphic_unit
gptkbp:symbol	golden spike
gptkbp:usedIn	geology paleontology chronostratigraphy
gptkbp:bfsParent	gptkb:International_Union_of_Geological_Sciences_(IUGS) gptkb:IUGS
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	Global Boundary Stratotype Section and Point (GSSP)