<?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>S0120-02832021000200079</article-id>
<article-id pub-id-type="doi">10.18273/revbol.v43n2-2021005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cartografía de índices indirectos de manifestaciones de hidrocarburos en el Golfo de Guacanayabo, Cuba]]></article-title>
<article-title xml:lang="en"><![CDATA[Mapping of indirect indices of hydrocarbon manifestations in the Gulf of Guacanayabo, Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Ortiz]]></surname>
<given-names><![CDATA[Moraima]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leyva-Ramos]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Miranda]]></surname>
<given-names><![CDATA[Willy Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Geocuba Estudios Marinos  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Tecnológica de La Habana &#8220;José Antonio Echeverría&#8221;  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>43</volume>
<numero>2</numero>
<fpage>79</fpage>
<lpage>93</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-02832021000200079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-02832021000200079&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-02832021000200079&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La necesidad de disponer de reservas gaso-petrolíferas es imperiosa en el mundo contemporáneo y en el caso de Cuba la situación se acentúa debido a factores externos. Por esta razón numerosas investigaciones son realizadas en el territorio nacional para localizar estructuras favorables donde puedan encontrase acumulaciones de hidrocarburos. El objetivo de esta investigación ha sido estudiar los sedimentos marinos del Golfo de Guacanayabo (Cuba Oriental), los indicios de hidrocarburos en los fondos marinos y el establecimiento de las áreas de mayor interés. Para este estudio se ha combinado la batimetría y la sísmica de reflexión de alta resolución para realizar la cartografía de estructuras anómalas clasificadas como posibles pockmarks y volcanes de lodo (&#8220;mud volcanoes&#8221;), morfologías generadas por emisiones naturales de hidrocarburos en los fondos marinos. Asimismo, se ha establecido la relación entre emanaciones gaseosas y presencia de gas en los sedimentos del fondo marino y las estructuras profundas y someras en la región. Finalmente, se han establecido las áreas con mayores potenciales a partir de la integración de todos los resultados disponibles. Este estudio permite asegurar las potencialidades del Golfo de Guacanayabo para estudios posteriores en relación con la presencia de hidrocarburos en el subsuelo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The need to have gas and oil reserves is imperative in the contemporary world and in the case of Cuba the situation is accentuated due to external factors. For this reason, numerous investigations are carried out in the national territory to locate favorable structures where accumulations of hydrocarbons can be found. The objective of this research has been to study the marine sediments of the Gulf of Guacanayabo (Eastern Cuba), the indications of hydrocarbons in the seabed and the establishment of the areas of greatest interest. For this study, the combined use of bathymetry and high-resolution reflection seismic was used to map anomalous structures classified as possible pockmarks and mud volcanoes, morphologies generated by natural hydrocarbon emissions in the seabed. Likewise, the relationship between gaseous emanations and the presence of gas in the sediments of the seabed and the deep and shallow structures in the region has been established. Finally, the areas with the greatest potential have been established from the integration of all the available results. This study allows to ensure the potentialities of the Gulf of Guacanayabo for subsequent studies in relation to the presence of hydrocarbons in the subsoil.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Batimetría]]></kwd>
<kwd lng="es"><![CDATA[Pockmarks]]></kwd>
<kwd lng="es"><![CDATA[Hidrocarburos]]></kwd>
<kwd lng="es"><![CDATA[Sísmica]]></kwd>
<kwd lng="es"><![CDATA[Volcanes de lodos.]]></kwd>
<kwd lng="en"><![CDATA[Bathymetry]]></kwd>
<kwd lng="en"><![CDATA[Pockmarks]]></kwd>
<kwd lng="en"><![CDATA[Hydrocarbons]]></kwd>
<kwd lng="en"><![CDATA[Seismic]]></kwd>
<kwd lng="en"><![CDATA[Mud volcanoes.]]></kwd>
</kwd-group>
</article-meta>
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