<?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>S0256-70242016000100067</article-id>
<article-id pub-id-type="doi">10.15517/rgac.v54i0.21149</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio químico-mineralógico de los perfiles lateríticos ferrosialíticos en los sectores Téneme, Farallones y Cayo Guam en el noreste de Cuba]]></article-title>
<article-title xml:lang="en"><![CDATA[Chemical-mineralogical study of the ferrosialiticlateriticprofiles in the Teneme, Farallones and Cayo Guam sectors in north east Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Njila]]></surname>
<given-names><![CDATA[Tendai]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Martínez]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Zimbabwe  ]]></institution>
<addr-line><![CDATA[Mount Pleasant Harare]]></addr-line>
<country>ZW</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Mexico  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>MX</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<numero>54</numero>
<fpage>67</fpage>
<lpage>83</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0256-70242016000100067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0256-70242016000100067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0256-70242016000100067&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:Se presentan los resultados de un estudio químico-mineralógico de los perfiles lateríticos ferrosialíticos sobre rocas básicas de naturaleza oceánica y las litologías propias de los arcos de islas en la región nororiental de Cuba. El procedimiento contempló el muestreo de cinco perfiles de alteración y el análisis mediante la Fluorescencia y Difracción de Rayos X. Los perfiles lateríticos ferrosialíticos originados a partir de rocas pertenecientes a los arcos de islas cretácico y paleógeno están constituidos por minerales secundarios que son gibbsita, caolinita, goethita, hematita y montmorillonita, mientras que los asociados a rocas básicas y vulcanogeno-sedimentarios de afinidad ofiolítica concentran gibbsita en Cayo Guam. Se aporta nuevos conocimientos químico-mineralógicos sobre los perfiles lateríticos ferrosialíticos asociados a rocas de naturaleza oceánica en Cuba nororiental, lo que ayudará en la exploración para rocas y minerales industriales y su aplicación en la industria.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:The results of a chemical-mineralogical study on the ferrosialitic lateritic weathering profiles are presented. Analysis was done using X Ray Fluorescence and Diffraction. The chemical composition of these profiles reflects a typical pattern normally observed within such weathering crusts. The sesquioxides of aluminium, iron are concentrated in the upper parts of the profiles as a result of the leaching of alkalis, alkaline-earth elements, and to a lesser extent, silica. Ferrosialitic lateritic profiles formed on Cretaceous and Paleogene islands arcs consist of secondary minerals such as gibbsite, kaolinite, goethite, hematite and montmorillonite, while those associated with basic and volcanogenicsedimentary rocks of ophiolitic affinity in Cayo Guam are composed of gibbsite and iron oxides. This study brings new chemical-mineralogical information on the ferrosialitic lateritic profiles associated with rocks of oceanic nature in north-eastern Cuba, which will help in the exploration for industrial minerals, and rocks and their application in industry.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ferrosialíticos]]></kwd>
<kwd lng="es"><![CDATA[lateritas]]></kwd>
<kwd lng="es"><![CDATA[meteorización]]></kwd>
<kwd lng="es"><![CDATA[Cuba]]></kwd>
<kwd lng="en"><![CDATA[Ferrosialitic]]></kwd>
<kwd lng="en"><![CDATA[laterites]]></kwd>
<kwd lng="en"><![CDATA[weathering profiles]]></kwd>
<kwd lng="en"><![CDATA[Cuba]]></kwd>
</kwd-group>
</article-meta>
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