Editing Geologic time scale (section)

=== Proposed Anthropocene Series/Epoch ===
{{Main|Anthropocene}}
First suggested in 2000,<ref name="Crutzen_2021">{{Citation |last1=Crutzen |first1=Paul J. |title=The 'Anthropocene' (2000) |date=2021 |url=https://link.springer.com/10.1007/978-3-030-82202-6_2 |work=Paul J. Crutzen and the Anthropocene: A New Epoch in Earth's History |volume=1 |pages=19–21 |editor-last=Benner |editor-first=Susanne |place=Cham |publisher=Springer International Publishing |language=en |doi=10.1007/978-3-030-82202-6_2 |isbn=978-3-030-82201-9 |access-date=2022-04-15 |last2=Stoermer |first2=Eugene F. |series=The Anthropocene: Politik—Economics—Society—Science |s2cid=245639062 |editor2-last=Lax |editor2-first=Gregor |editor3-last=Crutzen |editor3-first=Paul J. |editor4-last=Pöschl |editor4-first=Ulrich}}</ref> the ''Anthropocene'' is a proposed epoch/series for the most recent time in Earth's history. While still informal, it is a widely used term to denote the present geologic time interval, in which many conditions and processes on Earth are profoundly altered by human impact.<ref>{{Cite web |title=Working Group on the 'Anthropocene' {{!}} Subcommission on Quaternary Stratigraphy |url=https://quaternary.stratigraphy.org/working-groups/anthropocene/ |archive-url=https://web.archive.org/web/20220407193255/https://quaternary.stratigraphy.org/working-groups/anthropocene/ |archive-date=2022-04-07 |access-date=2022-04-17 |language=en-US}}</ref> {{As of|2022|April}} the Anthropocene has not been ratified by the ICS; however, in May 2019 the [[Anthropocene Working Group]] voted in favour of submitting a formal proposal to the ICS for the establishment of the Anthropocene Series/Epoch.<ref name="Subramanian_2019">{{Cite journal |last=Subramanian |first=Meera |date=2019-05-21 |title=Anthropocene now: influential panel votes to recognise Earth's new epoch |url=http://www.nature.com/articles/d41586-019-01641-5 |journal=Nature |language=en |pages=d41586–019–01641–5 |doi=10.1038/d41586-019-01641-5 |pmid=32433629 |s2cid=182238145 |issn=0028-0836}}</ref> Nevertheless, the definition of the Anthropocene as a geologic time period rather than a geologic event remains controversial and difficult.<ref name="Gibbard_2021">{{Cite journal |last1=Gibbard |first1=Philip L. |last2=Bauer |first2=Andrew M. |last3=Edgeworth |first3=Matthew |last4=Ruddiman |first4=William F. |last5=Gill |first5=Jacquelyn L. |last6=Merritts |first6=Dorothy J. |last7=Finney |first7=Stanley C. |last8=Edwards |first8=Lucy E. |last9=Walker |first9=Michael J. C. |last10=Maslin |first10=Mark |last11=Ellis |first11=Erle C. |date=2021-11-15 |title=A practical solution: the Anthropocene is a geological event, not a formal epoch |journal=Episodes |volume=45 |issue=4 |pages=349–357 |language=en |doi=10.18814/epiiugs/2021/021029 |s2cid=244165877 |issn=0705-3797|doi-access=free }}</ref><ref name="Head_2021">{{Cite journal |last1=Head |first1=Martin J. |last2=Steffen |first2=Will |last3=Fagerlind |first3=David |last4=Waters |first4=Colin N. |last5=Poirier |first5=Clement |last6=Syvitski |first6=Jaia |last7=Zalasiewicz |first7=Jan A. |last8=Barnosky |first8=Anthony D. |last9=Cearreta |first9=Alejandro |last10=Jeandel |first10=Catherine |last11=Leinfelder |first11=Reinhold |date=2021-11-15 |title=The Great Acceleration is real and provides a quantitative basis for the proposed Anthropocene Series/Epoch |journal=Episodes |volume=45 |issue=4 |pages=359–376 |language=en |doi=10.18814/epiiugs/2021/021031 |s2cid=244145710 |issn=0705-3797|doi-access=free }}</ref><ref name="Zalasiewicz_2021">{{Cite journal |last1=Zalasiewicz |first1=Jan |last2=Waters |first2=Colin N. |last3=Ellis |first3=Erle C. |last4=Head |first4=Martin J. |last5=Vidas |first5=Davor |last6=Steffen |first6=Will |last7=Thomas |first7=Julia Adeney |last8=Horn |first8=Eva |last9=Summerhayes |first9=Colin P. |last10=Leinfelder |first10=Reinhold |last11=McNeill |first11=J. R. |date=2021 |title=The Anthropocene: Comparing Its Meaning in Geology (Chronostratigraphy) with Conceptual Approaches Arising in Other Disciplines |journal=Earth's Future |language=en |volume=9 |issue=3 |doi=10.1029/2020EF001896 |bibcode=2021EaFut...901896Z |s2cid=233816527 |issn=2328-4277|doi-access=free }}</ref><ref name="Bauer_2021">{{Cite journal |last1=Bauer |first1=Andrew M. |last2=Edgeworth |first2=Matthew |last3=Edwards |first3=Lucy E. |last4=Ellis |first4=Erle C. |last5=Gibbard |first5=Philip |last6=Merritts |first6=Dorothy J. |date=2021-09-16 |title=Anthropocene: event or epoch? |url=https://www.nature.com/articles/d41586-021-02448-z |journal=Nature |language=en |volume=597 |issue=7876 |pages=332 |doi=10.1038/d41586-021-02448-z |pmid=34522014 |bibcode=2021Natur.597..332B |s2cid=237515330 |issn=0028-0836}}</ref>