Planktonic microfossils have played an enormously important role in modem earth science,notably including industrial hydrocarbon exploration and academic Deep Sea Drilling,providing essential data for age models and r...Planktonic microfossils have played an enormously important role in modem earth science,notably including industrial hydrocarbon exploration and academic Deep Sea Drilling,providing essential data for age models and rich suites of palaeoceanographic data.Conversely this broad application has resulted in the development of detailed knowledge of planktonic microfossils and in stimulating study of them.展开更多
In June 2016 the Paleogene,Neogene,and Quaternary subcommissions(ISPS,SNS,SQS)of the International Commission on Stratigraphy(ICS)voted on whether to formalize sub-series and their geochronologic equivalents,sub-epoch...In June 2016 the Paleogene,Neogene,and Quaternary subcommissions(ISPS,SNS,SQS)of the International Commission on Stratigraphy(ICS)voted on whether to formalize sub-series and their geochronologic equivalents,sub-epochs.The vote required a 60 percent majority for the proposal to be forwarded to the ICS for further consideration.That majority was not achieved,albeit by a narrow margin,hence sub-series and sub-epochs are currently to be regarded as informal,and if used should carry a lower case modifier,as in lower Miocene and early Pleistocene.To accompany the vote,those who favoured continuation of informal usage were asked to prepare a short summary of the main arguments in support of their viewpoint.展开更多
基金supported grants from the UK Natural Environment Research Council(Grant Nos.NE/N017900/1&NE/J006416/l)the State Key Laboratory of Paleobiology and Stratigraphy(Nanjing).
文摘Planktonic microfossils have played an enormously important role in modem earth science,notably including industrial hydrocarbon exploration and academic Deep Sea Drilling,providing essential data for age models and rich suites of palaeoceanographic data.Conversely this broad application has resulted in the development of detailed knowledge of planktonic microfossils and in stimulating study of them.
文摘In June 2016 the Paleogene,Neogene,and Quaternary subcommissions(ISPS,SNS,SQS)of the International Commission on Stratigraphy(ICS)voted on whether to formalize sub-series and their geochronologic equivalents,sub-epochs.The vote required a 60 percent majority for the proposal to be forwarded to the ICS for further consideration.That majority was not achieved,albeit by a narrow margin,hence sub-series and sub-epochs are currently to be regarded as informal,and if used should carry a lower case modifier,as in lower Miocene and early Pleistocene.To accompany the vote,those who favoured continuation of informal usage were asked to prepare a short summary of the main arguments in support of their viewpoint.
