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<front>
<journal-meta>
<journal-id>0370-3908</journal-id>
<journal-title><![CDATA[Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. acad. colomb. cienc. exact. fis. nat.]]></abbrev-journal-title>
<issn>0370-3908</issn>
<publisher>
<publisher-name><![CDATA[Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0370-39082023000100177</article-id>
<article-id pub-id-type="doi">10.18257/raccefyn.1856</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The Anthropocene, should it be a new geological time unit?]]></article-title>
<article-title xml:lang="es"><![CDATA[El Antropoceno, ¿debería ser una nueva unidad geológica de tiempo?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaramillo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bayona]]></surname>
<given-names><![CDATA[Germán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Smithsonian Tropical Research Institute  ]]></institution>
<addr-line><![CDATA[Panama City ]]></addr-line>
<country>Panama</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Eafit  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Corporación Geológica ARES  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>47</volume>
<numero>182</numero>
<fpage>177</fpage>
<lpage>180</lpage>
<copyright-statement/>
<copyright-year/>
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</front><back>
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<source><![CDATA[Geological Time Scale 2020]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Amsterdam ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
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</person-group>
<article-title xml:lang=""><![CDATA[Defining the onset of the Anthropocene]]></article-title>
<source><![CDATA[Science]]></source>
<year>2022</year>
<volume>378</volume>
<numero>6621</numero>
<issue>6621</issue>
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</back>
</article>
