<?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>1026-8774</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias geológicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. cienc. geol]]></abbrev-journal-title>
<issn>1026-8774</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1026-87742022000300285</article-id>
<article-id pub-id-type="doi">10.22201/cgeo.20072902e.2022.3.1705</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[TruDisp 2.0: una aplicación para el cálculo del desplazamiento verdadero (neto) de fallas]]></article-title>
<article-title xml:lang="en"><![CDATA[TruDisp 2.0: software for determining the true displacement of faults]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto-Fuentes]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto-Samaniego]]></surname>
<given-names><![CDATA[Angel Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[Shunshan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alaniz-Álvarez]]></surname>
<given-names><![CDATA[Susana Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigación en Matemáticas  ]]></institution>
<addr-line><![CDATA[Guanajuato Gto,]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Geociencias ]]></institution>
<addr-line><![CDATA[Juriquilla Querétaro]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>39</volume>
<numero>3</numero>
<fpage>285</fpage>
<lpage>292</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1026-87742022000300285&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1026-87742022000300285&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1026-87742022000300285&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las fallas son muy comunes en la corteza superior terrestre. Se caracterizan por un plano de fractura a lo largo del cual ocurrió desplazamiento. Eso provoca que estructuras geológicas como capas, vetas, ejes de pliegues, o diques sean seccionados y desplazados por efecto de la falla. Por esta razón, conocer el desplazamiento real o neto es una de las cosas más importantes en el análisis de deformación por fallas. Dicho desplazamiento se calcula restaurando a su posición original puntos que estuvieron adyacentes antes de que ocurriera el desplazamiento, a esos puntos se los denomina &#8220;piercing points&#8221;. Desafortunadamente es muy raro conocer la posición de esos puntos en la naturaleza, situación que evita que se pueda determinar directamente el desplazamiento verdadero. Lo más común es observar marcadores que han sido desplazados por la falla, dichos marcadores suelen ser objetos tabulares. El desplazamiento observado en los marcadores es denominado &#8220;separación&#8221;. Aunque es posible calcular el desplazamiento verdadero de la falla a partir de separaciones, no es común que se realice ese cálculo durante el trabajo geológico rutinario. Eso es debido, principalmente, a que las configuraciones posibles de los parámetros involucrados son numerosas y los métodos gráficos o trigonométricos resultan lentos y tediosos. En respuesta a este problema nuestro grupo de trabajo desarrolló una aplicación denominada TruDisp, que calcula el desplazamiento verdadero de una falla a partir de las separaciones. Se calcula la magnitud del desplazamiento sin que se requiera especificar el tipo de falla (normal, inversa, oblicua). En esta contribución presentamos la versión 2.0 de ese programa, esta nueva versión presenta cambios significativos con relación a la versión anterior. TruDisp 2.0 corre en navegadores de internet y presenta una GUI (Graphical User Interface) completamente nueva. El programa utiliza como entrada datos con el formato con que se mide en el campo y ayuda al usuario a evitar errores mediante la presentación gráfica en tiempo real de los datos introducidos. El programa permite calcular el desplazamiento verdadero a partir de un marcador y una estría de falla, o bien, de dos marcadores cuando no se cuenta con estrías. El algoritmo de solución es completamente distinto que el de la versión 1.0, con un abordaje más general y el cálculo de los errores se mejoró al utilizar un método Montecarlo. Consideramos que TruDisp 2.0 es más robusto y fácil de manejar que su versión anterior.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Faults are very common in the upper crust of the Earth. They are characterized by a fracture plane along which observable displacement has occurred. The faults cut and displace geological structures such as layers, veins, fold axes, or dikes. For this reason, knowing the true or net displacement is one of the most important things in faulting deformation analysis. Net displacement is calculated by restoring to their original position points that were adjacent before the deformation, these points are called &#8220;piercing points&#8221;. Unfortunately, it is uncommon to know the position of these points in the field, a situation th&#8220;t prevents the &#8221;rue displacement from being directly determined. It is most common to observe markers that have been displaced by the fault, these markers are linear or tabular objects. The displacement observed in the markers is called &#8220;separation&#8221;. Although it is possible to determine the true displacement using separations, it is not common calculating it during routine geological work. That is because possible configurations of the parameters involved are numerous, and the graphical or trigonometric methods are slow and tedious. In response to this problem, our group developed an application called TruDisp, which calculates the true displacement of a fault from separations. The program calculates the magnitude of displacement, without considering the fault kind (reverse, normal oblique). In this contribution, we present the 2.0 version of that program, which presents significant changes to the previous one. TruDisp 2.0 runs in web browsers displaying a completely new GUI (Graphical User Interface). The input data is introduced in the format as it was measured in the field and it helps the users to avoid errors by graphing the data in real-time. The program allows calculating the true displacement from a marker and fault striae, or from two markers when there are no striae. The solution algorithm is completely different from version 1.0, with a more general approach and the calculation of errors was improved by using a Monte Carlo method. We find TruDisp 2.0 to be more robust and amenable for users than its previous version.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[desplazamiento de falla]]></kwd>
<kwd lng="es"><![CDATA[desplazamiento verdadero]]></kwd>
<kwd lng="es"><![CDATA[separación de fallas]]></kwd>
<kwd lng="es"><![CDATA[datos de falla]]></kwd>
<kwd lng="en"><![CDATA[fault displacement]]></kwd>
<kwd lng="en"><![CDATA[true displacement]]></kwd>
<kwd lng="en"><![CDATA[fault separation]]></kwd>
<kwd lng="en"><![CDATA[fault-slip data]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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