Subseries/subepochs(e.g.,Lower/Early Eocene,Upper/Late Pleistocene)have yet to be formally defined despite their wide use in the Cenozoic literature.This has led to concerns about the stability of their definition and...Subseries/subepochs(e.g.,Lower/Early Eocene,Upper/Late Pleistocene)have yet to be formally defined despite their wide use in the Cenozoic literature.This has led to concerns about the stability of their definition and uncertainty over their status that has led to inconsistencies in capitalization.To address these issues,we propose for the Cenozoic that subseries/subepochs be defined formally by reference to Global Boundary Stratotype Sections and Points and ratified in the same way as for other formal chronostratigraphic units.Formalization of subseries/subepochs for the Cenozoic will respect their deep historical roots,recognise their chronostratigraphic nature,stabilize their definition,ensure consistency in application,embrace their de-facto use as formal terms within the Paleogene,Neogene and especially Quaternary communities,and resolve the question of capitalization:an upper-case initial letter without exception.展开更多
Introduction Formalization of subseries/subepochs for the Paleocene to Holocene has been a long unsettled question within the International Commission on Stratigraphy(ICS).Consideration of this matter by an adhoc comm...Introduction Formalization of subseries/subepochs for the Paleocene to Holocene has been a long unsettled question within the International Commission on Stratigraphy(ICS).Consideration of this matter by an adhoc committee over the past year reached a vote that revealed that the community remains divided on the question.The purpose of this article is to summarize the discussions leading up to the vote,the results of the vote,and the implications of the vote.The publishing community desires that the question of formalization be settled;so too does the community of Paleogene,Neogene,and Quaternary stratigraphers.展开更多
文摘Subseries/subepochs(e.g.,Lower/Early Eocene,Upper/Late Pleistocene)have yet to be formally defined despite their wide use in the Cenozoic literature.This has led to concerns about the stability of their definition and uncertainty over their status that has led to inconsistencies in capitalization.To address these issues,we propose for the Cenozoic that subseries/subepochs be defined formally by reference to Global Boundary Stratotype Sections and Points and ratified in the same way as for other formal chronostratigraphic units.Formalization of subseries/subepochs for the Cenozoic will respect their deep historical roots,recognise their chronostratigraphic nature,stabilize their definition,ensure consistency in application,embrace their de-facto use as formal terms within the Paleogene,Neogene and especially Quaternary communities,and resolve the question of capitalization:an upper-case initial letter without exception.
文摘Introduction Formalization of subseries/subepochs for the Paleocene to Holocene has been a long unsettled question within the International Commission on Stratigraphy(ICS).Consideration of this matter by an adhoc committee over the past year reached a vote that revealed that the community remains divided on the question.The purpose of this article is to summarize the discussions leading up to the vote,the results of the vote,and the implications of the vote.The publishing community desires that the question of formalization be settled;so too does the community of Paleogene,Neogene,and Quaternary stratigraphers.