The Southern Cordillera and Beyond 2012
DOI: 10.1130/2012.0025(02)
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The Late Cretaceous fold-thrust belt in the Peña de Bernal— Tamazunchale area and its possible relationship to the accretion of the Guerrero Terrane

Abstract: The continental interior of Mexico is characterized by a Late Cretaceous prominent fold-thrust belt that shows characteristics of an eastward-tapering orogenic wedge. According to structural data and geothermometry of the deformation, this wedge is the result of horizontal stresses directed from the west (Pacific domain). The orogenic wedge is bounded to the west by the Guerrero Terrane, which is the second largest juvenile terrane accreted to the North American Cordillera. The possible linkage between the acc… Show more

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Cited by 17 publications
(18 citation statements)
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“…At Guanajuato, the Arperos Basin displays a marked provenance asymmetry. The eastern margin of this basin is composed of Tithonian-Aptian quartz-rich and calcareous metaturbidites of the Esperanza assemblage, which were derived from sources in the North American continental mainland (Martini et al, 2012;Palacios-García and Martini, 2014). Such a provenance is highlighted by the presence of ca.…”
Section: Central Mexicomentioning
confidence: 99%
See 1 more Smart Citation
“…At Guanajuato, the Arperos Basin displays a marked provenance asymmetry. The eastern margin of this basin is composed of Tithonian-Aptian quartz-rich and calcareous metaturbidites of the Esperanza assemblage, which were derived from sources in the North American continental mainland (Martini et al, 2012;Palacios-García and Martini, 2014). Such a provenance is highlighted by the presence of ca.…”
Section: Central Mexicomentioning
confidence: 99%
“…1), and a ca. 150-130 Ma zircon population derived from Upper Jurassic-Lower Cretaceous rhyodacitic volcanic rocks localized at Guanajuato and Toliman (Martini et al, 2012;Palacios-García and Martini, 2014) (Fig. 1).…”
Section: Central Mexicomentioning
confidence: 99%
“…No se tiene la edad de la Formación El Chilar, sin embargo, ésta subyace con discordancia angular a rocas de la Formación Santa Rosa, de edad Jurásico Superior -Cretácico Inferior (Carrillo- Martínez, 1997). Los circones detríticos más jóvenes en este complejo indican una edad de 269 Ma (Martini et al, 2012) y posee una deformación intensa que no está presente en rocas más jóvenes. La Formación El Chilar comparte características descritas en rocas del Triásico Superior, como son olistolitos entre sedimentos marinos, vulcanismo y foliación con cizalla por deformación.…”
Section: Sucesiones Del Triásico Superior Y Jurásico De Méxicounclassified
“…La deformación Marathon-Ouachita generó orogénesis al cierre del Paleozoico y Triásico Inferior, con magmatismo sin-tectónico y post-tectónico asociado (Ouachita), que se refleja en circones detríticos con edades U-Pb entre 230 a 280 Ma, presentes en Zacatecas (Martínez-Pérez, 1972), Charcas y Real de Catorce (Barboza-Gudiño et al, 2010), San Julián-Teyra (Díaz-Salgado, 2004, El Alamar (Barboza-Gudiño et al, 2010; Barboza-Gudiño y Zavala-Monsivais, 2013), El Chilar (Martini et al, 2012) y en Antimonio, Sonora (Stern y Dickinson, 2010). Un ejemplo de este evento se presenta en la Sierra Las Delicias, Coahuila, en donde las rocas del Pérmico (Ochoano), están intrusionadas por un granito de edad Triásico Inferior.…”
Section: Sucesiones Del Triásico Superior Y Jurásico De Méxicounclassified
“…earlier near the end of the Albian, much of eastcentral Mexico, such as Oaxaquia, Central and Mixteca terranes, formed a coherent block and was covered by a west-facing Lower Cretaceous carbonate platform (Fig. 12), known as the Guerrero-Morelos platform, or locally the El Doctor platform, in the south and the Sonoran shelf in the north (LaPierre et al 1992a;Monod et al 1994;Centeno-García et al 2008;González-Léon et al 2008;Martini et al 2012). In the south, the platform was built upon ~1000 m of Lower Cretaceous red beds, alluvial sandstone and conglomerate with thick evaporite deposits and an older metamorphic basement (Fries 1960).…”
Section: Polarity Of Subductionmentioning
confidence: 99%