<?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>0120-0283</journal-id>
<journal-title><![CDATA[Boletín de Geología]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. geol.]]></abbrev-journal-title>
<issn>0120-0283</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-02832021000200117</article-id>
<article-id pub-id-type="doi">10.18273/revbol.v43n2-2021007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Geoquímica y mineralogía de la mina La Pava, Muzo- Quípama: implicaciones en la exploración de esmeraldas en Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Geochemistry and mineralogy of the La Pava mine, Muzo-Quípama: implications for emerald exploration in Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Durán]]></surname>
<given-names><![CDATA[Andrés Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Toloza]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bonilla]]></surname>
<given-names><![CDATA[Germán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cedeño-Ochoa]]></surname>
<given-names><![CDATA[Carlos Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Angarita-Sarmiento]]></surname>
<given-names><![CDATA[Luis Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castañeda-Gómez]]></surname>
<given-names><![CDATA[Antonio José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Bastidas]]></surname>
<given-names><![CDATA[Sergio Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bocanegra-Rodríguez]]></surname>
<given-names><![CDATA[Laura Constanza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montaña-Cárdenas]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Castillo]]></surname>
<given-names><![CDATA[Cesar Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Desarrollo Tecnológico de la Esmeralda Colombiana  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Inclay  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>43</volume>
<numero>2</numero>
<fpage>117</fpage>
<lpage>142</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-02832021000200117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-02832021000200117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-02832021000200117&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La mina La Pava es parte del distrito esmeraldífero de Muzo-Quípama, Colombia; allí la presencia de esmeraldas se asocia con pelitas de la Formación Muzo. La mineralización es controlada espacialmente por el Anticlinal de La Pava -un pliegue por propagación de falla- y se restringe a zonas que han experimentado intensa alteración hidrotermal (albitización y carbonatización). Los principales rasgos observados en las venas productivas son las asociaciones paragenéticas de albita-xenotimo-fluorapatito y calcita-dolomita, los cuales van acompañados de anomalías geoquímicas positivas de Y, P, Mn y Mg. Adicionalmente, se presentan anomalías negativas de Li-Cs-Be-Ti que representan indicadores consistentes de la lixiviación de estos elementos en las rocas y su posterior concentración en venas y brechas hidrotermales. Se concluye que en La Pava existen parámetros estructurales, estratigráficos, mineralógicos y geoquímicos que permiten identificar bloques potenciales para hospedar mineralizaciones de esmeraldas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The La Pava mine is located in the Muzo-Quípama district, Colombia; there, the emeralds are hosted by pelites from the Muzo Formation. The mineralization is spatially associated with the La Pava Anticline -a fault- propagation fold- and restricted to strongly altered zones (albitized and carbonatized). The main features displayed by the fertile veins are the mineral assemblages that include albite-xenotime-fluorapatite and calcite- dolomite, and their corresponding positive geochemical anomalies: Y, P, Mn, and Mg. Moreover, there is a consistent negative anomaly of Li-Cs-Be-Ti, which means these elements were effectively leached from the host rocks and subsequently concentrated as infill products in the hydrothermal veins. As a concluding remark, we identified a sort of parameters, regarding structures, stratigraphy, mineralogy, and geochemistry, that can be useful in defining exploration targets for emerald deposits.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Esmeraldas]]></kwd>
<kwd lng="es"><![CDATA[Exploración geoquímica]]></kwd>
<kwd lng="es"><![CDATA[Formación Muzo]]></kwd>
<kwd lng="es"><![CDATA[Colombia.]]></kwd>
<kwd lng="en"><![CDATA[Emeralds]]></kwd>
<kwd lng="en"><![CDATA[Geochemical exploration]]></kwd>
<kwd lng="en"><![CDATA[Muzo formation]]></kwd>
<kwd lng="en"><![CDATA[Colombia.]]></kwd>
</kwd-group>
</article-meta>
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