Chronostratigraphical / geochronological boundaries

This register contains the geological timescale boundaries

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category geology
description
en This register contains the geological timescale boundaries
fr Ce registre décrit les limites de l'échelle des temps géologiques
has member relation member
label
en Chronostratigraphical / geochronological boundaries
fr Limites chronostratigraphiques / géochronologiques
member Base of Middle Berriasian | Base of Stage10 | Base of Cromerian III | Base of GI-17.1b | Base of Ediacaran | End of Biber/Donau Interglacial | Base of Dano-montian | Base of GI-1a | Base of GI-21.1c | Base of GI-1d | Base of GS-5.1 | Base of Donau/Gunz Interglacial | Base of Emsian | Base of Livian | Base of Mindel | Base of Middle Oxfordian | Base of Würm II | Base of Middle Weichselian | Base of Middle Holocene | Base of Bølling | Base of Middle Pleistocene | Base of Donau | Base of Middle Santonian | Base of Middle Aalenian | Base of Upper Eifelian | Base of Upper Callovian | Base of GI-13b | Base of Biber | Base of Pridoli | End of Acadian | End of Namurian C | Base of Upper Sinemurian | End of Devillian | Base of Chattian | Base of Ashgill | Base of Astartian | Base of GS-15.1 | Base of Amgaian | Base of Icartian | Base of GI-18 | Base of Llandeilo | Base of Messinian | Base of GI-16.1a | Base of Pterocerian | Base of Middle Norian | Base of Fuhne | Base of Upper Olenekian | Base of Westphalian A | End of Aegean | End of Caradoc | Base of Archean | Base of Glacial c | Base of Neoarchean | Base of GI-24.1a | Base of GI-21.1b | Base of Toyonian | Base of Middle Campanian | Base of Mindel/Riss Interglacial | End of Interpleniglacial | Base of Holkerian | Base of Older Dryas | Base of Kimmeridgian | End of Assian | Base of Upper/Late Holocene | Base of Upper Aalenian | Base of Campanian | Base of Mesoproterozoic | End of Savignean | Base of Cretaceous | Base of GI-13a | End of Upper Lutetian | Base of Middle Mississippian | Base of Upper Aquitanian | Base of Upper Triassic | Base of Middle Cenomanian | Base of Middle Lutetian | Base of Norian | End of Botomian | End of Sequanian | End of Mayaian | Base of Neogene | Base of Upper Ladinian | Base of Orleanian | End of Sturtian | Base of GI-22a | Base of GS-9 | Base of GS-18 | Base of Drumian | Base of Hauterivian | End of Bavelian | Base of Middle Albian | End of Tyrrhenian | Base of GI-17.2 | Base of Wacken/Dömnitz | Base of Middle Triassic | End of Upper Villafranchian | Base of GI-15.2 | Base of Proterozoic | Base of GS-24.1 | End of Neuzivian | Base of GS-23.1 | ...
modified 20 Mar 2020 08:27:54.387
notation GeolTsBound
owner BRGM
type Register | Container | SKOS collection
version info 4

Contents

Name Description Types Status
Present era boundary , Concept , geochronologic boundary experimental
Base of Precambrian era boundary , Concept , geochronologic boundary experimental
Base of Archean era boundary , Concept , geochronologic boundary experimental
Base of Paleoarchean era boundary , Concept , geochronologic boundary experimental
Base of Mesoarchean Concept , era boundary , geochronologic boundary experimental
Base of Neoarchean era boundary , geochronologic boundary , Concept experimental
Base of Proterozoic geochronologic boundary , Concept , era boundary experimental
Base of Rhyacian geochronologic boundary , Concept , era boundary experimental
Base of Orosirian era boundary , Concept , geochronologic boundary experimental
Base of Statherian Concept , geochronologic boundary , era boundary experimental
Base of Mesoproterozoic geochronologic boundary , era boundary , Concept experimental
Base of Ectasian geochronologic boundary , era boundary , Concept experimental
Base of Stenian Concept , geochronologic boundary , era boundary experimental
Base of Neoproterozoic Concept , era boundary , geochronologic boundary experimental
Base of Cryogenian era boundary , Concept , geochronologic boundary experimental
Base of Ediacaran era boundary , Concept , geochronologic boundary experimental
Base of Upper Edicaran Concept , geochronologic boundary , era boundary experimental
Base of Phanerozoic geochronologic boundary , Concept , era boundary experimental
Base of Tommotian geochronologic boundary , era boundary , Concept experimental
Base of Lenian geochronologic boundary , era boundary , Concept experimental
Base of Amgaian era boundary , Concept , geochronologic boundary experimental
Base of Mayaian era boundary , geochronologic boundary , Concept experimental
Base of Jiangshanian geochronologic boundary , Concept , era boundary experimental
Base of Stage10 geochronologic boundary , era boundary , Concept experimental
Base of Ordovician Concept , geochronologic boundary , era boundary experimental
Base of Middle Ordovician Concept , geochronologic boundary , era boundary experimental
Base of Llanvirn Concept , geochronologic boundary , era boundary experimental
Base of Llandeilo geochronologic boundary , Concept , era boundary experimental
Base of Upper Ordovician era boundary , geochronologic boundary , Concept experimental
Base of Ashgill geochronologic boundary , era boundary , Concept experimental
Base of Lower Ashgill Concept , geochronologic boundary , era boundary experimental
Base of Silurian geochronologic boundary , Concept , era boundary experimental
Base of Aeronian era boundary , geochronologic boundary , Concept experimental
Base of Telychian era boundary , Concept , geochronologic boundary experimental
Base of Wenlock era boundary , Concept , geochronologic boundary experimental
Base of Homerian era boundary , geochronologic boundary , Concept experimental
Base of Ludlow era boundary , Concept , geochronologic boundary experimental
Base of Ludfordian Concept , geochronologic boundary , era boundary experimental
Base of Pridoli era boundary , Concept , geochronologic boundary experimental
Base of Devonian era boundary , Concept , geochronologic boundary experimental
Base of Upper Lochkovian era boundary , Concept , geochronologic boundary experimental
Base of Pragian era boundary , Concept , geochronologic boundary experimental
Base of Upper Pragian era boundary , Concept , geochronologic boundary experimental
Base of Emsian era boundary , geochronologic boundary , Concept experimental
Base of Upper Emsian era boundary , geochronologic boundary , Concept experimental
Base of Middle Devonian geochronologic boundary , Concept , era boundary experimental
Base of Upper Eifelian era boundary , Concept , geochronologic boundary experimental
Base of Givetian geochronologic boundary , Concept , era boundary experimental
Base of Upper Givetian geochronologic boundary , Concept , era boundary experimental
Base of Upper Devonian Concept , geochronologic boundary , era boundary experimental
Base of Upper Frasnian era boundary , Concept , geochronologic boundary experimental
Base of Famennian geochronologic boundary , Concept , era boundary experimental
Base of Upper Famennian geochronologic boundary , Concept , era boundary experimental
Base of Carboniferous Concept , geochronologic boundary , era boundary experimental
Base of Upper Tournaisian geochronologic boundary , Concept , era boundary experimental
Base of Upper Visean era boundary , geochronologic boundary , Concept experimental
Base of Namurian C era boundary , geochronologic boundary , Concept experimental
Base of Westphalian Concept , era boundary , geochronologic boundary experimental
Base of Westphalian A era boundary , geochronologic boundary , Concept experimental
Base of Westphalian B era boundary , geochronologic boundary , Concept experimental
Base of Westphalian D era boundary , Concept , geochronologic boundary experimental
Base of Stephanian A era boundary , geochronologic boundary , Concept experimental
Base of Stephanian B era boundary , Concept , geochronologic boundary experimental
Base of Permian Concept , geochronologic boundary , era boundary experimental
Base of Mesozoic era boundary , Concept , geochronologic boundary experimental
Base of Olenekian era boundary , Concept , geochronologic boundary experimental
Base of Upper Olenekian Concept , geochronologic boundary , era boundary experimental
Base of Middle Triassic geochronologic boundary , Concept , era boundary experimental
Base of Upper Anisian era boundary , geochronologic boundary , Concept experimental
Base of Ladinian Concept , era boundary , geochronologic boundary experimental
Base of Upper Ladinian Concept , era boundary , geochronologic boundary experimental
Base of Upper Triassic Concept , geochronologic boundary , era boundary experimental
Base of Upper Carnian era boundary , geochronologic boundary , Concept experimental
Base of Norian Concept , geochronologic boundary , era boundary experimental
Base of Upper Norian geochronologic boundary , era boundary , Concept experimental
Base of Rhaetian era boundary , Concept , geochronologic boundary experimental
Base of Upper Rhaetian era boundary , geochronologic boundary , Concept experimental
Base of Jurassic geochronologic boundary , Concept , era boundary experimental
Base of Middle Hettangian era boundary , Concept , geochronologic boundary experimental
Base of Upper Hettangian era boundary , Concept , geochronologic boundary experimental
Base of Sinemurian Concept , era boundary , geochronologic boundary experimental
Base of Upper Sinemurian geochronologic boundary , era boundary , Concept experimental
Base of Pliensbachian Concept , era boundary , geochronologic boundary experimental
Base of Upper Pliensbachian Concept , era boundary , geochronologic boundary experimental
Base of Toarcian era boundary , Concept , geochronologic boundary experimental
Base of Middle Toarcian era boundary , Concept , geochronologic boundary experimental
Base of Upper Toarcian Concept , era boundary , geochronologic boundary experimental
Base of Middle Aalenian geochronologic boundary , Concept , era boundary experimental
Base of Upper Aalenian era boundary , Concept , geochronologic boundary experimental
Base of Bajocian geochronologic boundary , Concept , era boundary experimental
Base of Upper Bajocian Concept , geochronologic boundary , era boundary experimental
Base of Bathonian era boundary , geochronologic boundary , Concept experimental
Base of Middle Bathonian era boundary , geochronologic boundary , Concept experimental
Base of Upper Bathonian Concept , geochronologic boundary , era boundary experimental
Base of Callovian geochronologic boundary , Concept , era boundary experimental
Base of Middle Callovian Concept , era boundary , geochronologic boundary experimental
Base of Upper Callovian era boundary , geochronologic boundary , Concept experimental
Base of Middle Oxfordian era boundary , Concept , geochronologic boundary experimental
Base of Upper Oxfordian era boundary , geochronologic boundary , Concept experimental
Base of Kimmeridgian era boundary , Concept , geochronologic boundary experimental
Base of Upper Kimmeridgian era boundary , Concept , geochronologic boundary experimental
Base of Tithonian geochronologic boundary , Concept , era boundary experimental
Base of Middle Tithonian Concept , geochronologic boundary , era boundary experimental
Base of Upper Tithonian era boundary , geochronologic boundary , Concept experimental
Base of Cretaceous Concept , geochronologic boundary , era boundary experimental
Base of Middle Berriasian Concept , geochronologic boundary , era boundary experimental
Base of Upper Berriasian geochronologic boundary , era boundary , Concept experimental
Base of Valanginian geochronologic boundary , era boundary , Concept experimental
Base of Upper Valanginian Concept , geochronologic boundary , era boundary experimental
Base of Hauterivian Concept , geochronologic boundary , era boundary experimental
Base of Upper Hauterivian era boundary , Concept , geochronologic boundary experimental
Base of Barremian geochronologic boundary , Concept , era boundary experimental
Base of Upper Barremian Concept , geochronologic boundary , era boundary experimental
Base of Aptian geochronologic boundary , Concept , era boundary experimental
Base of Upper Aptian Concept , geochronologic boundary , era boundary experimental
Base of Albian geochronologic boundary , Concept , era boundary experimental
Base of Middle Albian geochronologic boundary , Concept , era boundary experimental
Base of Upper Albian Concept , geochronologic boundary , era boundary experimental
Base of Upper Cretaceous Concept , era boundary , geochronologic boundary experimental
Base of Middle Cenomanian geochronologic boundary , Concept , era boundary experimental
Base of Upper Cenomanian geochronologic boundary , Concept , era boundary experimental
Base of Turonian geochronologic boundary , era boundary , Concept experimental
Base of Middle Turonian Concept , geochronologic boundary , era boundary experimental
Base of Upper Turonian geochronologic boundary , era boundary , Concept experimental
Base of Coniacian geochronologic boundary , era boundary , Concept experimental
Base of Middle Coniacian geochronologic boundary , Concept , era boundary experimental
Base of Upper Coniacian era boundary , Concept , geochronologic boundary experimental
Base of Santonian geochronologic boundary , Concept , era boundary experimental
Base of Middle Santonian geochronologic boundary , Concept , era boundary experimental
Base of Upper Santonian geochronologic boundary , Concept , era boundary experimental
Base of Campanian Concept , geochronologic boundary , era boundary experimental
Base of Middle Campanian geochronologic boundary , Concept , era boundary experimental
Base of Upper Campanian Concept , era boundary , geochronologic boundary experimental
Base of Maastrichtian geochronologic boundary , Concept , era boundary experimental
Base of Upper Maastrichtian era boundary , Concept , geochronologic boundary experimental
Base of Cenozoic era boundary , geochronologic boundary , Concept experimental
Base of Selandian Concept , era boundary , geochronologic boundary experimental
Base of Thanetian era boundary , geochronologic boundary , Concept experimental
Base of Eocene era boundary , geochronologic boundary , Concept experimental
Base of Upper Ypresian Concept , era boundary , geochronologic boundary experimental
Base of Lutetian Concept , era boundary , geochronologic boundary experimental
Base of Middle Lutetian Concept , era boundary , geochronologic boundary experimental
Base of Upper Lutetian era boundary , Concept , geochronologic boundary experimental
Base of Bartonian geochronologic boundary , Concept , era boundary experimental
Base of Upper Bartonian geochronologic boundary , era boundary , Concept experimental
Base of Priabonian geochronologic boundary , Concept , era boundary experimental
Base of Oligocene geochronologic boundary , era boundary , Concept experimental
Base of Chattian era boundary , geochronologic boundary , Concept experimental
Base of Neogene era boundary , Concept , geochronologic boundary experimental
Base of Upper Aquitanian geochronologic boundary , era boundary , Concept experimental
Base of Burdigalian era boundary , geochronologic boundary , Concept experimental
Base of Upper Burdigalian era boundary , Concept , geochronologic boundary experimental
Base of Langhian era boundary , geochronologic boundary , Concept experimental
Base of Serravallian geochronologic boundary , Concept , era boundary experimental
Base of Tortonian Concept , era boundary , geochronologic boundary experimental
Base of Messinian era boundary , geochronologic boundary , Concept experimental
Base of Pliocene Concept , era boundary , geochronologic boundary experimental
Base of Piacenzian geochronologic boundary , era boundary , Concept experimental
Base of Quaternary era boundary , geochronologic boundary , Concept experimental
Base of Praetiglian geochronologic boundary , Concept , era boundary experimental
Base of Tiglian Concept , geochronologic boundary , era boundary experimental
Base of Eburonian Concept , era boundary , geochronologic boundary experimental
Base of Waalian Concept , era boundary , geochronologic boundary experimental
Base of Menapian Concept , era boundary , geochronologic boundary experimental
Base of Bavelian era boundary , geochronologic boundary , Concept experimental
Base of Cromerian era boundary , Concept , geochronologic boundary experimental
Base of Middle Pleistocene geochronologic boundary , Concept , era boundary experimental
Base of Cromerian I era boundary , Concept , geochronologic boundary experimental
Base of Glacial a era boundary , geochronologic boundary , Concept experimental
Base of Cromeriann II era boundary , Concept , geochronologic boundary experimental
Base of Glacial b era boundary , Concept , geochronologic boundary experimental
Base of Cromerian III geochronologic boundary , Concept , era boundary experimental
Base of Glacial c era boundary , Concept , geochronologic boundary experimental
Base of Cromerian IV era boundary , geochronologic boundary , Concept experimental
Base of Elsterian era boundary , Concept , geochronologic boundary experimental
Base of Holsteinian era boundary , geochronologic boundary , Concept experimental
Base of Saalian Concept , geochronologic boundary , era boundary experimental
Base of Fuhne geochronologic boundary , era boundary , Concept experimental
Base of Wacken/Dömnitz geochronologic boundary , Concept , era boundary experimental
Base of Drenthe era boundary , Concept , geochronologic boundary experimental
Base of Saale/Warthe geochronologic boundary , Concept , era boundary experimental
Base of Warthe era boundary , Concept , geochronologic boundary experimental
Base of Upper/Late Pleistocene geochronologic boundary , era boundary , Concept experimental
Base of Weichselian geochronologic boundary , era boundary , Concept experimental
Base of Early Weichselian era boundary , geochronologic boundary , Concept experimental
Base of Middle Weichselian Concept , geochronologic boundary , era boundary experimental
Base of Lower Pleniglacial era boundary , Concept , geochronologic boundary experimental
Base of Interpleniglacial geochronologic boundary , era boundary , Concept experimental
Base of Upper Weichselian Concept , geochronologic boundary , era boundary experimental
Base of Upper Pleniglacial geochronologic boundary , era boundary , Concept experimental
Base of Late Glacial geochronologic boundary , Concept , era boundary experimental
Base of Holocene geochronologic boundary , era boundary , Concept experimental
Base of Boreal Concept , geochronologic boundary , era boundary experimental
Base of Atlantic geochronologic boundary , era boundary , Concept experimental
Base of Subboreal era boundary , Concept , geochronologic boundary experimental
Base of Subatlantic geochronologic boundary , Concept , era boundary experimental
Base of Icartian era boundary , geochronologic boundary , Concept experimental
Base of Paleo-proterozoic Concept , geochronologic boundary , era boundary experimental
Base of Sturtian Concept , geochronologic boundary , era boundary experimental
Base of Vendian geochronologic boundary , era boundary , Concept experimental
Base of Stage2 Concept , geochronologic boundary , era boundary experimental
Base of Series2 geochronologic boundary , era boundary , Concept experimental
Base of Stage4 geochronologic boundary , era boundary , Concept experimental
Base of Miaolingian Concept , geochronologic boundary , era boundary experimental
Base of Drumian geochronologic boundary , era boundary , Concept experimental
Base of Guzhangian era boundary , Concept , geochronologic boundary experimental
Base of Furongian geochronologic boundary , era boundary , Concept experimental
Base of Floian geochronologic boundary , era boundary , Concept experimental
Base of Darriwilian geochronologic boundary , era boundary , Concept experimental
Base of Katian Concept , geochronologic boundary , era boundary experimental
Base of Hirnantian geochronologic boundary , era boundary , Concept experimental
Base of Couvinian geochronologic boundary , Concept , era boundary experimental
Base of Middle Mississippian Concept , era boundary , geochronologic boundary experimental
Base of Upper Mississippian Concept , geochronologic boundary , era boundary experimental
Base of Strunian Concept , era boundary , geochronologic boundary experimental
Base of Ivorian Concept , era boundary , geochronologic boundary experimental
Base of Livian era boundary , geochronologic boundary , Concept experimental
Base of Arundian Concept , geochronologic boundary , era boundary experimental
Base of Holkerian era boundary , Concept , geochronologic boundary experimental
Base of Asbian geochronologic boundary , Concept , era boundary experimental
Base of Brigantian geochronologic boundary , era boundary , Concept experimental
Base of Warnantian Concept , geochronologic boundary , era boundary experimental
Base of Pennsylvanian era boundary , Concept , geochronologic boundary experimental
Base of Middle Pennsylvanian Concept , geochronologic boundary , era boundary experimental
Base of Upper Pennsylvanian era boundary , Concept , geochronologic boundary experimental
Base of Gzhelian geochronologic boundary , era boundary , Concept experimental
Base of Sakmarian era boundary , Concept , geochronologic boundary experimental
Base of Artinskian Concept , era boundary , geochronologic boundary experimental
Base of Kungurian era boundary , Concept , geochronologic boundary experimental
Base of Guadalupian era boundary , geochronologic boundary , Concept experimental
Base of Wordian era boundary , geochronologic boundary , Concept experimental
Base of Capitanian era boundary , geochronologic boundary , Concept experimental
Base of Lopingian Concept , era boundary , geochronologic boundary experimental
Base of Changhsingian era boundary , Concept , geochronologic boundary experimental
Base of Lotharigian era boundary , geochronologic boundary , Concept experimental
Base of Domerian Concept , era boundary , geochronologic boundary experimental
Base of Middle Jurassic Concept , era boundary , geochronologic boundary experimental
Base of Upper Jurassic era boundary , Concept , geochronologic boundary experimental
Base of Astartian Concept , era boundary , geochronologic boundary experimental
Base of Sequanian era boundary , geochronologic boundary , Concept experimental
Base of Pterocerian Concept , geochronologic boundary , era boundary experimental
Base of Virgulian era boundary , Concept , geochronologic boundary experimental
Base of Middle Volgian Concept , geochronologic boundary , era boundary experimental
Base of Upper Volgian era boundary , geochronologic boundary , Concept experimental
Base of Portlandian era boundary , Concept , geochronologic boundary experimental
Base of Lower Portlandian era boundary , Concept , geochronologic boundary experimental
Base of Upper Portlandian geochronologic boundary , era boundary , Concept experimental
Base of Purbeckian Concept , geochronologic boundary , era boundary experimental
Base of Purbecko-wealdian era boundary , Concept , geochronologic boundary experimental
Base of Gargasian era boundary , geochronologic boundary , Concept experimental
Base of Clansayesian Concept , era boundary , geochronologic boundary experimental
Base of Vraconian Concept , geochronologic boundary , era boundary experimental
Base of Fuvelian Concept , era boundary , geochronologic boundary experimental
Base of Dano-montian geochronologic boundary , Concept , era boundary experimental
Base of Montian geochronologic boundary , era boundary , Concept experimental
Base of Heersian geochronologic boundary , era boundary , Concept experimental
Base of Cuisian era boundary , geochronologic boundary , Concept experimental
Base of Ledian geochronologic boundary , era boundary , Concept experimental
Base of Wemmelian era boundary , Concept , geochronologic boundary experimental
Base of Assian Concept , era boundary , geochronologic boundary experimental
Base of Marinesian Concept , geochronologic boundary , era boundary experimental
Base of Orleanian geochronologic boundary , Concept , era boundary experimental
Base of Astaracian Concept , geochronologic boundary , era boundary experimental
Base of Savignean geochronologic boundary , era boundary , Concept experimental
Base of Redonian era boundary , Concept , geochronologic boundary experimental
Base of Poederlian era boundary , geochronologic boundary , Concept experimental
Base of Reuverian B Concept , era boundary , geochronologic boundary experimental
Base of Reuverian C era boundary , Concept , geochronologic boundary experimental
Base of Upper Villafranchian Concept , era boundary , geochronologic boundary experimental
Base of Biber Concept , geochronologic boundary , era boundary experimental
Base of Biber/Donau Interglacial geochronologic boundary , Concept , era boundary experimental
Base of Calabrian Concept , era boundary , geochronologic boundary experimental
Base of Emilian era boundary , geochronologic boundary , Concept experimental
Base of Sicilian geochronologic boundary , Concept , era boundary experimental
Base of Donau era boundary , Concept , geochronologic boundary experimental
Base of Donau/Gunz Interglacial geochronologic boundary , Concept , era boundary experimental
Base of Gunz Concept , era boundary , geochronologic boundary experimental
Base of Gunz/Mindel Interglacial era boundary , Concept , geochronologic boundary experimental
Base of Mindel geochronologic boundary , Concept , era boundary experimental
Base of Mindel/Riss Interglacial Concept , geochronologic boundary , era boundary experimental
Base of Riss geochronologic boundary , Concept , era boundary experimental
Base of Wurm geochronologic boundary , Concept , era boundary experimental
Base of Würm I Concept , geochronologic boundary , era boundary experimental
Base of Würm II era boundary , geochronologic boundary , Concept experimental
Base of Würm III era boundary , geochronologic boundary , Concept experimental
Base of Würm IV era boundary , Concept , geochronologic boundary experimental
Base of Oldest Dryas era boundary , Concept , geochronologic boundary experimental
Base of Bølling Concept , era boundary , geochronologic boundary experimental
Base of Older Dryas era boundary , Concept , geochronologic boundary experimental
Base of Allerød geochronologic boundary , era boundary , Concept experimental
Base of Younger Dryas Concept , era boundary , geochronologic boundary experimental
Base of Dienerian Concept , era boundary , geochronologic boundary experimental
Base of Spathian era boundary , Concept , geochronologic boundary experimental
Base of Middle Anisian era boundary , Concept , geochronologic boundary experimental
Base of Bithynian Concept , era boundary , geochronologic boundary experimental
Base of Pelsonian era boundary , geochronologic boundary , Concept experimental
Base of Illyrian Concept , geochronologic boundary , era boundary experimental
Base of Longobardian Concept , era boundary , geochronologic boundary experimental
Base of Tuvalian era boundary , geochronologic boundary , Concept experimental
Base of Alaunian era boundary , Concept , geochronologic boundary experimental
Base of Sevatian Concept , geochronologic boundary , era boundary experimental
Base of Middle Holocene era boundary , Concept , geochronologic boundary experimental
Base of Upper/Late Holocene Concept , geochronologic boundary , era boundary experimental
Base of Paniselian era boundary , Concept , geochronologic boundary experimental
Base of Toyonian Concept , geochronologic boundary , era boundary experimental
Base of Botomian Concept , geochronologic boundary , era boundary experimental
Base of Middle Visean geochronologic boundary , era boundary , Concept experimental
Base of Middle Norian era boundary , Concept , geochronologic boundary experimental
Base of GS-26 geochronologic boundary , Concept , era boundary experimental
Base of GI-25c Concept , era boundary , geochronologic boundary experimental
Base of GI-25b era boundary , Concept , geochronologic boundary experimental
Base of GI-25a era boundary , geochronologic boundary , Concept experimental
Base of GS-25 geochronologic boundary , Concept , era boundary experimental
Base of GI-24.2 era boundary , Concept , geochronologic boundary experimental
Base of GS-24.2 geochronologic boundary , Concept , era boundary experimental
Base of GI-24.1c era boundary , Concept , geochronologic boundary experimental
Base of GI-24.1b geochronologic boundary , era boundary , Concept experimental
Base of GI-24.1a geochronologic boundary , Concept , era boundary experimental
Base of GS-24.1 geochronologic boundary , era boundary , Concept experimental
Base of GI-23.2 geochronologic boundary , era boundary , Concept experimental
Base of GS-23.2 geochronologic boundary , Concept , era boundary experimental
Base of GI-23.1 era boundary , geochronologic boundary , Concept experimental
Base of GS-23.1 Concept , geochronologic boundary , era boundary experimental
Base of GI-22g geochronologic boundary , era boundary , Concept experimental
Base of GI-22f geochronologic boundary , Concept , era boundary experimental
Base of GI-22e Concept , geochronologic boundary , era boundary experimental
Base of GI-22d Concept , era boundary , geochronologic boundary experimental
Base of GI-22c geochronologic boundary , era boundary , Concept experimental
Base of GI-22b geochronologic boundary , era boundary , Concept experimental
Base of GI-22a geochronologic boundary , Concept , era boundary experimental
Base of GS-22 geochronologic boundary , era boundary , Concept experimental
Base of GI-21.2 Concept , geochronologic boundary , era boundary experimental
Base of GS-21.2 geochronologic boundary , era boundary , Concept experimental
Base of GI-21.1e era boundary , Concept , geochronologic boundary experimental
Base of GI-21.1d era boundary , Concept , geochronologic boundary experimental
Base of GI-21.1c Concept , geochronologic boundary , era boundary experimental
Base of GI-21.1b era boundary , Concept , geochronologic boundary experimental
Base of GI-21.1a geochronologic boundary , Concept , era boundary experimental
Base of GS-21.1 era boundary , Concept , geochronologic boundary experimental
Base of GI-20c geochronologic boundary , Concept , era boundary experimental
Base of GI-20b era boundary , Concept , geochronologic boundary experimental
Base of GI-20a Concept , geochronologic boundary , era boundary experimental
Base of GS-20 era boundary , Concept , geochronologic boundary experimental
Base of GI-19.2 geochronologic boundary , era boundary , Concept experimental
Base of GS-19.2 geochronologic boundary , era boundary , Concept experimental
Base of GI-19.1 Concept , geochronologic boundary , era boundary experimental
Base of GS-19.1 era boundary , Concept , geochronologic boundary experimental
Base of GI-18 era boundary , Concept , geochronologic boundary experimental
Base of GS-18 era boundary , Concept , geochronologic boundary experimental
Base of GI-17.2 era boundary , geochronologic boundary , Concept experimental
Base of GS-17.2 Concept , geochronologic boundary , era boundary experimental
Base of GI-17.1c era boundary , geochronologic boundary , Concept experimental
Base of GI-17.1b era boundary , Concept , geochronologic boundary experimental
Base of GI-17.1a geochronologic boundary , Concept , era boundary experimental
Base of GS-17.1 Concept , geochronologic boundary , era boundary experimental
Base of GI-16.2 geochronologic boundary , Concept , era boundary experimental
Base of GS-16.2 geochronologic boundary , Concept , era boundary experimental
Base of GI-16.1c geochronologic boundary , era boundary , Concept experimental
Base of GI-16.1b Concept , geochronologic boundary , era boundary experimental
Base of GI-16.1a geochronologic boundary , era boundary , Concept experimental
Base of GS-16.1 geochronologic boundary , Concept , era boundary experimental
Base of GI-15.2 era boundary , Concept , geochronologic boundary experimental
Base of GS-15.2 Concept , geochronologic boundary , era boundary experimental
Base of GI-15.1 Concept , geochronologic boundary , era boundary experimental
Base of GS-15.1 Concept , geochronologic boundary , era boundary experimental
Base of GI-14e era boundary , geochronologic boundary , Concept experimental
Base of GI-14d Concept , geochronologic boundary , era boundary experimental
Base of GI-14c geochronologic boundary , Concept , era boundary experimental
Base of GI-14b geochronologic boundary , Concept , era boundary experimental
Base of GI-14a Concept , geochronologic boundary , era boundary experimental
Base of GS-14QS Concept , geochronologic boundary , era boundary experimental
Base of GI-13c Concept , geochronologic boundary , era boundary experimental
Base of GI-13b geochronologic boundary , Concept , era boundary experimental
Base of GI-13a Concept , era boundary , geochronologic boundary experimental
Base of GS-13 era boundary , geochronologic boundary , Concept experimental
Base of GI-12c Concept , era boundary , geochronologic boundary experimental
Base of GI-12b era boundary , Concept , geochronologic boundary experimental
Base of GI-12a era boundary , geochronologic boundary , Concept experimental
Base of GS-12 era boundary , geochronologic boundary , Concept experimental
Base of GI-11 era boundary , geochronologic boundary , Concept experimental
Base of GS-11 era boundary , Concept , geochronologic boundary experimental
Base of GI-10 era boundary , geochronologic boundary , Concept experimental
Base of GS-10 geochronologic boundary , Concept , era boundary experimental
Base of GI-9 Concept , era boundary , geochronologic boundary experimental
Base of GS-9 era boundary , Concept , geochronologic boundary experimental
Base of GI-8c geochronologic boundary , era boundary , Concept experimental
Base of GI-8b geochronologic boundary , Concept , era boundary experimental
Base of GI-8a Concept , era boundary , geochronologic boundary experimental
Base of GS-8 geochronologic boundary , Concept , era boundary experimental
Base of GI-7c Concept , era boundary , geochronologic boundary experimental
Base of GI-7b Concept , era boundary , geochronologic boundary experimental
Base of GI-7a Concept , era boundary , geochronologic boundary experimental
Base of GS-7 geochronologic boundary , era boundary , Concept experimental
Base of GI-6 geochronologic boundary , Concept , era boundary experimental
Base of GS-6 Concept , era boundary , geochronologic boundary experimental
Base of GI-5.2 geochronologic boundary , Concept , era boundary experimental
Base of GS-5.2 era boundary , Concept , geochronologic boundary experimental
Base of GI-5.1 geochronologic boundary , Concept , era boundary experimental
Base of GS-5.1 geochronologic boundary , Concept , era boundary experimental
Base of GI-4 era boundary , geochronologic boundary , Concept experimental
Base of GS-4 geochronologic boundary , Concept , era boundary experimental
Base of GI-3 geochronologic boundary , Concept , era boundary experimental
Base of GS-3 Concept , era boundary , geochronologic boundary experimental
Base of GI-2.2 era boundary , Concept , geochronologic boundary experimental
Base of GS-2.2 Concept , era boundary , geochronologic boundary experimental
Base of GI-2.1 era boundary , geochronologic boundary , Concept experimental
Base of GS-2.1c Concept , era boundary , geochronologic boundary experimental
Base of GS-2.1b era boundary , geochronologic boundary , Concept experimental
Base of GS-2.1a Concept , era boundary , geochronologic boundary experimental
Base of GI-1e era boundary , Concept , geochronologic boundary experimental
Base of GI-1d era boundary , Concept , geochronologic boundary experimental
Base of GI-1c3 era boundary , geochronologic boundary , Concept experimental
Base of GI-1c2 era boundary , geochronologic boundary , Concept experimental
Base of GI-1c1 Concept , geochronologic boundary , era boundary experimental
Base of GI-1b Concept , era boundary , geochronologic boundary experimental
Base of GI-1a geochronologic boundary , era boundary , Concept experimental
Base of GS-1 Concept , era boundary , geochronologic boundary experimental
End of Lenian era boundary , Concept , geochronologic boundary experimental
End of Amgaian Concept , geochronologic boundary , era boundary experimental
End of Mayaian era boundary , geochronologic boundary , Concept experimental
End of Arenig Concept , era boundary , geochronologic boundary experimental
End of Caradoc Concept , geochronologic boundary , era boundary experimental
End of Upper Caradoc geochronologic boundary , era boundary , Concept experimental
End of Namurian era boundary , geochronologic boundary , Concept experimental
End of Namurian C Concept , geochronologic boundary , era boundary experimental
End of Stephanian C geochronologic boundary , era boundary , Concept experimental
End of Lower Olenekian geochronologic boundary , era boundary , Concept experimental
End of Lower Anisian era boundary , Concept , geochronologic boundary experimental
End of Lower Ladinian era boundary , geochronologic boundary , Concept experimental
End of Lower Carnian era boundary , Concept , geochronologic boundary experimental
End of Lower Norian geochronologic boundary , Concept , era boundary experimental
End of Lower Pliensbachian geochronologic boundary , era boundary , Concept experimental
End of Middle Toarcian geochronologic boundary , Concept , era boundary experimental
End of Middle Berriasian era boundary , Concept , geochronologic boundary experimental
End of Upper Lutetian geochronologic boundary , Concept , era boundary experimental
End of Lower Bartonian Concept , geochronologic boundary , era boundary experimental
End of Bavelian geochronologic boundary , era boundary , Concept experimental
End of Holsteinian geochronologic boundary , era boundary , Concept experimental
End of Eemian geochronologic boundary , era boundary , Concept experimental
End of Early Weichselian Concept , geochronologic boundary , era boundary experimental
End of Middle Weichselian Concept , geochronologic boundary , era boundary experimental
End of Interpleniglacial geochronologic boundary , Concept , era boundary experimental
End of Upper Pleniglacial Concept , geochronologic boundary , era boundary experimental
End of Icartian Concept , geochronologic boundary , era boundary experimental
End of Paleo-proterozoic Concept , geochronologic boundary , era boundary experimental
End of Sturtian Concept , geochronologic boundary , era boundary experimental
End of Acadian era boundary , geochronologic boundary , Concept experimental
End of Devillian era boundary , Concept , geochronologic boundary experimental
End of Skiddavian Concept , geochronologic boundary , era boundary experimental
End of Molinacian era boundary , Concept , geochronologic boundary experimental
End of Livian geochronologic boundary , Concept , era boundary experimental
End of Arundian era boundary , Concept , geochronologic boundary experimental
End of Holkerian geochronologic boundary , Concept , era boundary experimental
End of Upper Namurian Concept , era boundary , geochronologic boundary experimental
End of Carixian era boundary , Concept , geochronologic boundary experimental
End of Neuzivian Concept , geochronologic boundary , era boundary experimental
End of Villersian Concept , era boundary , geochronologic boundary experimental
End of Lusitanian geochronologic boundary , era boundary , Concept experimental
End of Sequanian geochronologic boundary , era boundary , Concept experimental
End of Pterocerian Concept , era boundary , geochronologic boundary experimental
End of Volgian geochronologic boundary , era boundary , Concept experimental
End of Upper Volgian Concept , geochronologic boundary , era boundary experimental
End of Portlandian geochronologic boundary , Concept , era boundary experimental
End of Upper Portlandian era boundary , geochronologic boundary , Concept experimental
End of Urgonian (Provence) geochronologic boundary , Concept , era boundary experimental
End of Urgonian (Vercors) era boundary , Concept , geochronologic boundary experimental
End of Urgonian (Jura) geochronologic boundary , era boundary , Concept experimental
End of Bedoulian geochronologic boundary , era boundary , Concept experimental
End of Rognacian geochronologic boundary , era boundary , Concept experimental
End of Ilerdian Concept , era boundary , geochronologic boundary experimental
End of Biarritzian era boundary , Concept , geochronologic boundary experimental
End of Assian geochronologic boundary , Concept , era boundary experimental
End of Auversian geochronologic boundary , era boundary , Concept experimental
End of Lattorfian era boundary , geochronologic boundary , Concept experimental
End of Tongrian Concept , era boundary , geochronologic boundary experimental
End of Upper Tongrian Concept , era boundary , geochronologic boundary experimental
End of Sannoisian geochronologic boundary , era boundary , Concept experimental
End of Astaracian geochronologic boundary , Concept , era boundary experimental
End of Savignean era boundary , geochronologic boundary , Concept experimental
End of Villafranchian era boundary , Concept , geochronologic boundary experimental
End of Upper Villafranchian geochronologic boundary , Concept , era boundary experimental
End of Biber/Donau Interglacial Concept , geochronologic boundary , era boundary experimental
End of Tyrrhenian era boundary , geochronologic boundary , Concept experimental
End of Riss/Wurm interglacial era boundary , geochronologic boundary , Concept experimental
End of Oldest Dryas geochronologic boundary , era boundary , Concept experimental
End of Smithian geochronologic boundary , era boundary , Concept experimental
End of Aegean era boundary , Concept , geochronologic boundary experimental
End of Middle Anisian geochronologic boundary , Concept , era boundary experimental
End of Pelsonian geochronologic boundary , Concept , era boundary experimental
End of Fassanian geochronologic boundary , Concept , era boundary experimental
End of Julian Concept , geochronologic boundary , era boundary experimental
End of Lacian geochronologic boundary , Concept , era boundary experimental
End of Alaunian Concept , geochronologic boundary , era boundary experimental
End of Toyonian Concept , era boundary , geochronologic boundary experimental
End of Botomian era boundary , Concept , geochronologic boundary experimental
End of Middle Norian Concept , geochronologic boundary , era boundary experimental