<?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>S1993-80122022000100070</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización física, química y mineralógica de un antiguo relave, en busca de alternativas de reutilización]]></article-title>
<article-title xml:lang="en"><![CDATA[Physical, chemical and mineralogical characterization of old tailings, in search of alternatives for its reuse]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cordero]]></surname>
<given-names><![CDATA[Cintia Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marchevsky]]></surname>
<given-names><![CDATA[Natalia Judith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chiacchiarini]]></surname>
<given-names><![CDATA[Patricia Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giaveno]]></surname>
<given-names><![CDATA[María Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,PROBIEN (Conicet-UNCo)  Universidad Nacional del Comahue]]></institution>
<addr-line><![CDATA[ Neuquén]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de San Luis  ]]></institution>
<addr-line><![CDATA[ San Luis]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>38</volume>
<numero>1</numero>
<fpage>70</fpage>
<lpage>82</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1993-80122022000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1993-80122022000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1993-80122022000100070&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los relaves pertenecientes a antiguas explotaciones mineras constituyen riesgos de contaminación ambiental; sin embargo, estos desechos pueden ser útiles para recuperar metales y minerales de interés económico o ser reutilizados con diferentes finalidades. Este trabajo tuvo el objetivo de caracterizar desde el punto de vista físico, químico y mineralógico los relaves almacenados en el antiguo dique de colas de Andacollo (provincia de Neuquén, Argentina) a fin de explorar sus alternativas de reutilización. En muestras compósito de cada talud se determinaron valores de pH, Eh, conductividad, porosidad, densidad real y aparente; composición elemental (ICP-MS) y se practicó análisis por DRX. En principio, los resultados indicaron una baja probabilidad de generación de drenajes ácidos, así como que los contenidos metálicos presentes en el relave son escasos para proponer la recuperación económica de estos elementos de interés. El arsénico (As) resultó el único elemento en concentraciones por encima de los límites permisibles normados, por lo que una posible reutilización agrícola, residencial o industrial de estos tecnosuelos requeriría un proceso de remoción o disminución del contenido de este metaloide. Ante un plan de restauración, los valores encontrados de densidad aparente y porosidad serían favorables para el crecimiento de vegetación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Tailings from old mining operations constitute environmental pollution risks; however, these wastes can be useful for recovering minerals and metals of economic interest or use them for different purposes today. The objective of this study is to characterize tailings stored in old tailings dam from Andacollo (Neuquén province, Argentina) from the physical, chemical and mineralogical point of view in order to explore the alternatives for its reuse. Conductivity, porosity, real and apparent density, elemental composition (ICP-MS), pH, and Eh, were determined in study samples and XRD analysis were performed. Results showed a low probability of acid drainage generation, and metallic contents present in the tailings are too low to propose the economic recovery of these elements. Arsenic (As) was the only element in concentrations above the permissible limits, so that a possible agricultural, residential or industrial reuse of these techno soils would require a process for removing or reducing the content of this metalloid. Bulk density and porosity values found, would be favorable for vegetation growth considering a restoration plan.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[relaves]]></kwd>
<kwd lng="es"><![CDATA[desechos mineros]]></kwd>
<kwd lng="es"><![CDATA[distrito minero Andacollo]]></kwd>
<kwd lng="es"><![CDATA[reutilización de colas]]></kwd>
<kwd lng="es"><![CDATA[riesgo ambiental]]></kwd>
<kwd lng="en"><![CDATA[tailings]]></kwd>
<kwd lng="en"><![CDATA[mining wastes]]></kwd>
<kwd lng="en"><![CDATA[Andacollo mining district]]></kwd>
<kwd lng="en"><![CDATA[tailings reuse]]></kwd>
<kwd lng="en"><![CDATA[environmental risk]]></kwd>
</kwd-group>
</article-meta>
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