<?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>S0120-02832021000100127</article-id>
<article-id pub-id-type="doi">10.18273/revbol.v43n1-2021006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de metales preciosos (Au y Ag) en zonas de oxidación al noroeste de Artemisa (Cuba)]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of precious metals (Au and Ag) at the oxidation zone northwest of Artemisa (Cuba)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Vázquez]]></surname>
<given-names><![CDATA[Ramón Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martín-Lago]]></surname>
<given-names><![CDATA[Roniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Tecnológica de La Habana &#8220;José Antonio Echeverría&#8221;  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Empresa Geominera de Pinar del Río  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>43</volume>
<numero>1</numero>
<fpage>127</fpage>
<lpage>146</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-02832021000100127&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-02832021000100127&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-02832021000100127&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La determinación de contenidos de metales preciosos (Au y Ag) en las zonas de oxidación, alteración hidrotermal y cizallamiento presentes en la zona metalogénica Bahía Honda, al noroeste de Artemisa, fue el objetivo primordial de la investigación. La mayoría de estas zonas se localizan sobre y en los alrededores de los yacimientos y/o prospectos cupro &#8211; sulfurosos que se extienden desde el macizo de Cajálbana, hacia el oeste, hasta Buena Vista, hacia el este. El motivo fundamental para emprender la tarea ha sido el creciente interés que ha habido en Cuba a partir del descubrimiento de yacimientos de oro en zonas de oxidación (gossan) de los depósitos de sulfuros tipo sedex, VMS y epitermales, entre los que se encuentran Oro Castellanos, Cobre Mantua, Loma de Hierro y Golden Hill, además de que la inmensa mayoría de los depósitos de cobre y metales base de Cuba son portadores de Au y Ag. La metodología se basó en la realización de itinerarios geológicos, el muestreo y la documentación de los principales afloramientos y muestras de testigos de pozos, además del análisis y la reinterpretación de la información geofísica y geoquímica de los trabajos anteriores. Las muestras fueron analizadas en el laboratorio &#8220;José Isaac del Corral&#8221; (LACEMI), determinándose mediante análisis combinado de docimasia con espectrometría de absorción atómica los contenidos de Au y Ag. Se realizó también análisis químico por espectrometría de masas con plasma inductivamente acoplado (ICP &#8211; MS) a un grupo de elementos acompañantes. Como resultado de estos trabajos se pudo determinar la presencia de valores significativos de Au en todas las zonas evaluadas, oscilando entre 0,05 &#8211; 2,24 g/t, lo cual permitió realizar el cálculo de los recursos hipotéticos. Los valores de la concentración de Ag fueron muy bajos en todas las zonas estudiadas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Determination of specific precious metal (Au and Ag) contents in the oxidation, hydrothermal alteration and shear zones present at the Bahía Honda metallogenic zone, northwest of Artemisa, was the primary aim of the research. Most of these areas are located on and around the deposits and/or cupro &#8211; sulphurous target that extend from the Cajálbana massif to the west to Buena Vista to the east. The main reason for undertaking this task has been the growing interest it has had in Cuba, based on discoveries and assimilation of gold deposits in oxidation zones (gossan), sedex, VMS and epithermal sulfide deposits, among which there are Oro Castellanos, Cobre Mantua, Loma de Hierro and Golden Hill in addition to the vast majority of Cuba&#8217;s copper and base metal deposits, they are carriers of Au and Ag. Methodology was based on carrying out geological itineraries, sampling and documentation of the main outcrops and samples obtained during drilling, in addition to the analysis and reinterpretation of geophysical and geochemical information from previous work carried out in the area. The samples were analyzed in the laboratory &#8220;José Isaac del Corral&#8221; (LACEMI), determining by means of combined analysis of docimasy with atomic absorption spectrometry the contents of Au and Ag. Chemical analysis was also performed by inductively coupled plasma with plasma inductively coupled (ICP &#8211; MS) to a group of accompanying elements. As a result of these works, it was possible to determine the presence of significant values of Au in all the prospects evaluated, ranging between 0.05 &#8211; 2.24 g/t, which allowed the calculation of hypothetical resources. Silver concentration values in all studied area were very low.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Evaluación]]></kwd>
<kwd lng="es"><![CDATA[Prospección]]></kwd>
<kwd lng="es"><![CDATA[Oro]]></kwd>
<kwd lng="es"><![CDATA[Plata]]></kwd>
<kwd lng="es"><![CDATA[Gossan]]></kwd>
<kwd lng="es"><![CDATA[Cuba]]></kwd>
<kwd lng="en"><![CDATA[Evaluation]]></kwd>
<kwd lng="en"><![CDATA[Prospecting]]></kwd>
<kwd lng="en"><![CDATA[Gold]]></kwd>
<kwd lng="en"><![CDATA[Silver]]></kwd>
<kwd lng="en"><![CDATA[Gossan]]></kwd>
<kwd lng="en"><![CDATA[Cuba]]></kwd>
</kwd-group>
</article-meta>
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