<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0256-7024</journal-id>
<journal-title><![CDATA[Revista Geológica de América Central]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Geol. Amér. Central]]></abbrev-journal-title>
<issn>0256-7024</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0256-70242022000100101</article-id>
<article-id pub-id-type="doi">10.15517/rgac.v66i0.49972</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Geología del Área Metropolitana de San Salvador (1:50 000), El Salvador]]></article-title>
<article-title xml:lang="en"><![CDATA[Geology of the Metropolitan Area of San Salvador (1:50 000), El Salvador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lexa]]></surname>
<given-names><![CDATA[Jaroslav]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[&#352;ebesta]]></surname>
<given-names><![CDATA[Ji&#345;i]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[Walter]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chavez]]></surname>
<given-names><![CDATA[José A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez]]></surname>
<given-names><![CDATA[Mauricio E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alfaro]]></surname>
<given-names><![CDATA[Ingrid A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Academia de Ciencias de Eslovaquia Instituto de Ciencias de la Tierra ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>República Eslovaca</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Servicio Geológico Checo  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>República Eslovaca</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Geólogo consultor  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>El Salvador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Oficina de Planificación del Área Metropolitana de San Salvador (OPAMSS)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>El Salvador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<numero>66</numero>
<fpage>101</fpage>
<lpage>125</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0256-70242022000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0256-70242022000100101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0256-70242022000100101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se ha actualizado mediante trabajo de campo, pruebas de datación y revisión de bibliografía existente el mapa geológico del Área Metropolitana de San Salvador a una escala 1:50000. Esto ha permitido categorizar cuerpos y depósitos volcánicos acorde a avances recientes en litoestratigrafía y mapeo geológico. El mapa geológico sigue la litoestratigrafía básica de las formaciones de Bálsamo, Cuscatlán y San Salvador. Los miembros de la Formación Bálsamo (Mioceno Superior - Plioceno) representan los restos de volcanes extensos de composición andesítica/basáltica con flujos de lava y complejos epiclásticos de rocas volcánicas. La Formación Cuscatlán (Plioceno-Pleistoceno) comprende ignimbritas silícicas, tobas, así como rocas epiclásticas relacionadas, además de rocas efusivas andesíticas/basálticas contemporáneas. La Formación de San Salvador (Pleistoceno Superior- Holoceno) incluye productos recientes del estratovolcán San Salvador y de la caldera de Ilopango. La cartografía geológica ayuda a comprender las mejores condiciones para el cuido de los recursos naturales y la sostenibilidad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The geological map of the Metropolitan Area of &#8203;&#8203;San Salvador has been updated through field work, dating tests and review of existing bibliography at a scale of 1: 50000. This has made it possible to categorize volcanic bodies and deposits according to recent advances in lithostratigraphy and geological mapping. The geological map follows the basic lithostratigraphy of the Bálsamo, Cuscatlán and San Salvador formations. The members of the Bálsamo Formation (Upper Miocene - Pliocene) represent the remains of extensive volcanoes of andesitic/basaltic composition with lava flows and epiclastic complexes of volcanic rocks. The Cuscatlán Formation (Pliocene-Pleistocene) comprises silicic ignimbrites, tuffs, as well as related epiclastic rocks, in addition to contemporary andesitic/basaltic effusive rocks. The San Salvador Formation (Upper Pleistocene-Holocene) includes recent products from the San Salvador stratovolcano and the Ilopango caldera. Geological mapping helps to understand the best conditions for the care of natural resources and sustainability.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[mapa geológico]]></kwd>
<kwd lng="es"><![CDATA[litoestratigrafía]]></kwd>
<kwd lng="es"><![CDATA[litología]]></kwd>
<kwd lng="es"><![CDATA[facies volcánicas]]></kwd>
<kwd lng="es"><![CDATA[tefras]]></kwd>
<kwd lng="es"><![CDATA[tobas]]></kwd>
<kwd lng="es"><![CDATA[rocas]]></kwd>
<kwd lng="en"><![CDATA[geological map]]></kwd>
<kwd lng="en"><![CDATA[lithostratigraphy]]></kwd>
<kwd lng="en"><![CDATA[lithology]]></kwd>
<kwd lng="en"><![CDATA[volcanic facies]]></kwd>
<kwd lng="en"><![CDATA[tephras]]></kwd>
<kwd lng="en"><![CDATA[tuffs]]></kwd>
<kwd lng="en"><![CDATA[rocks]]></kwd>
</kwd-group>
</article-meta>
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</ref>
<ref id="B71">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Meyer-Abich]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Volcanism in the southern part of El Salvador with particular reference to the collapse basins of Coatepeque and Ilopango]]></source>
<year>1955</year>
<publisher-loc><![CDATA[Berkeley ]]></publisher-loc>
<publisher-name><![CDATA[University of California Press]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
