<?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>2007-8196</journal-id>
<journal-title><![CDATA[Epistemus (Sonora)]]></journal-title>
<abbrev-journal-title><![CDATA[Epistemus (Sonora)]]></abbrev-journal-title>
<issn>2007-8196</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-81962024000100106</article-id>
<article-id pub-id-type="doi">10.36790/epistemus.v18i36.307</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Geología de la Isla San Pedro Nolasco, Guaymas, Sonora, México.]]></article-title>
<article-title xml:lang="en"><![CDATA[Geology of Isla San Pedro Nolasco, Guaymas, Sonora, Mexico.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vidal Solano]]></surname>
<given-names><![CDATA[Jesús Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velderrain Rojas]]></surname>
<given-names><![CDATA[Luis Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lucero Acosta]]></surname>
<given-names><![CDATA[David Absalón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sonora  ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Sonora  ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Sonora  ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>18</volume>
<numero>36</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-81962024000100106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-81962024000100106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-81962024000100106&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La Isla San Pedro Nolasco (ISPN) corresponde a un bloque rocoso exhumado y delimitado por dos fallas dextrales, que se localizan en el margen oriental del límite de placas Pacífico-Norte América en el Golfo de California (GC). La ISPN está compuesta solo por rocas intrusivas del Mioceno tardío, que se caracterizan por ocurrir como un cuerpo granitoide-dioritoide, intrusionado por un enjambre de inyecciones hipovolcánicas, que varían en su composición de félsica a intermedia. En este trabajo se utilizaron imágenes satelitales, un Sistema de Información Geográfica y un trabajo de campo para la elaboración del primer mapa geológico semidetallado de la ISPN. La cartografía geológica permitió definir la distribución de las unidades litológicas que la componen, así como identificar las principales estructuras geológicas que la afectan. Finalmente, el presente trabajo pone en realce su historia geológica, como un cuerpo rocoso único en su tipo a lo largo del GC.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Isla San Pedro Nolasco (ISPN) is an exhumed rock block located on the eastern margin of the Pacific-North American plate boundary in the Gulf of California (GC), delimited by two dextral faults. The ISPN is composed of only late Miocene intrusive rocks, characterized by occurrence of a granitoid-dioritoid crystalline rock, intruded by a swarm of intermediate to felsic hypovolcanic injections. In this work, satellite images, a geographic information system, and fieldwork were used for the elaboration of the ISPN first semi detailed Geological map. The geological cartography allowed to define the distribution of the lithological units from ISPN, as well as to identify the main geological structures that affect. Finally, the present work highlights the geological history of the ISPN, as a unique intrusive body of its kind along the GC.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Isla San Pedro Nolasco]]></kwd>
<kwd lng="es"><![CDATA[Cartografía geológica]]></kwd>
<kwd lng="es"><![CDATA[Rocas Intrusivas]]></kwd>
<kwd lng="es"><![CDATA[Golfo de California]]></kwd>
<kwd lng="es"><![CDATA[Mioceno tardío]]></kwd>
<kwd lng="en"><![CDATA[Isla San Pedro Nolasco]]></kwd>
<kwd lng="en"><![CDATA[Cartography]]></kwd>
<kwd lng="en"><![CDATA[Intrusive Rocks]]></kwd>
<kwd lng="en"><![CDATA[Gulf of California]]></kwd>
<kwd lng="en"><![CDATA[Late Miocene]]></kwd>
</kwd-group>
</article-meta>
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