<?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>1993-8012</journal-id>
<journal-title><![CDATA[Minería y Geología]]></journal-title>
<abbrev-journal-title><![CDATA[Min. Geol.]]></abbrev-journal-title>
<issn>1993-8012</issn>
<publisher>
<publisher-name><![CDATA[EDUM. Universidad de Moa]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1993-80122020000200124</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Concentraciones anómalas de escandio y samario en el depósito laterítico de níquel Cajálbana]]></article-title>
<article-title xml:lang="en"><![CDATA[Anomalous concentrations of scandium and samarium in the lateritic nickel deposit Cajálbana]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Quintana]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carballo-Peña]]></surname>
<given-names><![CDATA[Alain]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Gómez]]></surname>
<given-names><![CDATA[José Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco-Melgar]]></surname>
<given-names><![CDATA[Gerardo Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ministerio de Energía y Minas  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Moa  ]]></institution>
<addr-line><![CDATA[ Holguín]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>124</fpage>
<lpage>136</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1993-80122020000200124&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1993-80122020000200124&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1993-80122020000200124&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Para incrementar el conocimiento geológico de la corteza de meteorización del depósito laterítico de níquel Cajálbana se realizó la caracterización mineralógica y geoquímica, con el propósito de determinar la presencia de elementos de tierras raras y otros metales de interés, no contemplados en los estudios preliminares. Se tomaron muestras compósitos en seis pozos mineralógicos perforados en el área de investigación. Las muestras se analizaron utilizando difractometría de rayos X y análisis químicos por ICP-MS, para 26 elementos químicos. Se revelaron concentraciones anómalas de escandio y samario, que superan cuatro veces el valor el clarke del primero y diez veces el del segundo. La existencia de contenidos anómalos de escandio de 104,32 ppm y samario de 82,18 ppm en el horizonte de limonita, con una concentración total de ETR en este horizonte de 191,25 ppm, incrementa el valor potencial de los recursos lateríticos del depósito Cajálbana.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT To increase the geological knowledge of the weathering crust of the Cajálbana nickel lateritic deposit, its mineralogical and geochemical characterization was performed, with the purpose of determining the presence of rare earth elements and other metals of interest, not contemplated in the preliminary studies. Composite samples were taken from six mineralogical wells drilled in the research area. The samples were analyzed using X-ray diffractometry and chemical analysis of basic elements and by ICP-MS, for 26 chemical elements. Anomalous concentrations of scandium and samarium were revealed, which exceed four times the clarke value of the first and ten times that of the second. The existence of anomalous contents of scandium of 104,32 ppm and samarium of 82,18 ppm in the limonite horizon, with a total concentration of ETR in this horizon of 191,25 ppm, increases the potential value of the lateritic resources of the deposit Cajálbana.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[elementos de tierras raras]]></kwd>
<kwd lng="es"><![CDATA[escandio]]></kwd>
<kwd lng="es"><![CDATA[samario]]></kwd>
<kwd lng="es"><![CDATA[lateritas niquelíferas]]></kwd>
<kwd lng="es"><![CDATA[depósito Cajálbana]]></kwd>
<kwd lng="en"><![CDATA[rare earth elements]]></kwd>
<kwd lng="en"><![CDATA[scandium]]></kwd>
<kwd lng="en"><![CDATA[samarium]]></kwd>
<kwd lng="en"><![CDATA[nickeliferous laterites]]></kwd>
<kwd lng="en"><![CDATA[Cajálbana deposit]]></kwd>
</kwd-group>
</article-meta>
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