<?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>0871-018X</journal-id>
<journal-title><![CDATA[Revista de Ciências Agrárias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. de Ciências Agrárias]]></abbrev-journal-title>
<issn>0871-018X</issn>
<publisher>
<publisher-name><![CDATA[Sociedade de Ciências Agrárias de Portugal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0871-018X2022000300111</article-id>
<article-id pub-id-type="doi">10.19084/rca.28404</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mineralogía de la tierra fina y las arcillas en una secuencia de paleosuelos en la isla de Mallorca]]></article-title>
<article-title xml:lang="en"><![CDATA[Mineralogy of fine earth and clays in a paleosol sequence on the island of Mallorca]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Forss*]]></surname>
<given-names><![CDATA[Antoni]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vadell]]></surname>
<given-names><![CDATA[Jaume]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universitat de les Illes Balears Departament de Biologia ]]></institution>
<addr-line><![CDATA[Palma ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>111</fpage>
<lpage>120</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2022000300111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2022000300111&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2022000300111&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se estudia una secuencia de paleosuelos superpuestos desarrollados en el Cuaternario. Se han diferenciado 18 horizontes a lo largo del perfil del suelo con una profundidad de 12,5 m. Para cada horizonte se ha cuantificado el contenido mineral de la tierra fina (&lt; 2 mm) y los minerales de arcilla correspondientes a la fracción &lt;0,002 mm. Los filosilicatos constituyen los minerales mayoritarios de estos horizontes. Los carbonatos de calcio son también muy abundantes, pero con importantes diferencias entre horizontes desde horizontes descarbonatados a otros en que constituyen la fracción mayoritaria. El cuarzo, los feldespatos potásicos y las plagioclasas son otros componentes comunes. Las illitas constituyen el mineral de arcilla más común, presentandose en forma pura y formando interestratificados con esmectitas. Las cloritas y caolinitas son otras especies de arcillas presentes en todos los horizontes. La composición mineral del conjunto de horizontes de estos paleosuelos pone de manifiesto un origen común de los materiales que los constituyen.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A sequence of overlapping paleosols developed in the Quaternary is studied. Along a soil profile of 12.5 m have been differentiated eighteen horizons. For each horizon, the mineral content of the fine earth (&lt; 2 mm) and the clay minerals corresponding to the &lt;0.002 mm fraction have been quantified. The most common minerals of these horizons are phyllosilicates. Calcium carbonates are also very abundant, but with important differences between horizons, from decarbonated ones to others in which carbonates constitute the main fraction. Quartz, K-feldspars and plagioclases are other common components. Illites are the most common clay mineral, occurring in pure form and forming interstratified illite-smectite mixtures. Chlorites and kaolinites are other clay species present in all horizons. The mineral composition of the whole of horizons of these paleosols reveals a common origin of the materials that constitute them.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[suelos mediterráneos]]></kwd>
<kwd lng="es"><![CDATA[Luvisol]]></kwd>
<kwd lng="es"><![CDATA[Calcisol]]></kwd>
<kwd lng="es"><![CDATA[illitas]]></kwd>
<kwd lng="es"><![CDATA[interestratificados illita-esmectita]]></kwd>
<kwd lng="en"><![CDATA[Mediterranean soils]]></kwd>
<kwd lng="en"><![CDATA[Luvisol]]></kwd>
<kwd lng="en"><![CDATA[Calcisol]]></kwd>
<kwd lng="en"><![CDATA[illites]]></kwd>
<kwd lng="en"><![CDATA[interstratified illite-smectite]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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