Special Paper 340: Mesozoic Sedimentary and Tectonic History of North-Central Mexico 1999
DOI: 10.1130/0-8137-2340-x.191
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Permo-Triassic continental arc in eastern Mexico: Tectonic implications for reconstructions of southern North America

Abstract: A series of granitoids yielding Permo-Triassic ages (287-232 Ma) extend northwest-southeast along the entire length of Mexico and across various terrane boundaries. The intrusives range from diorites to granodiorites and their major and trace element geochemistry is typical of magmas produced in magmatic arcs. Initial eNd values of the granitoids vary from -4.4 to +2.5, indicating that they were emplaced through evolved continental crust. The Permo-Triassic granitoids constrain the time of amalgamation of the … Show more

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Cited by 104 publications
(104 citation statements)
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“…Magmatic assemblages younger than the middle Permian are associated with the East Mexico Arc (284-232 Ma) (Torres et al, 1999), the Cordilleran magmatic arc (<245 Ma), and accreted terranes of the Cordilleran Orogen (Fig. 5).…”
Section: Analysis and Interpretationmentioning
confidence: 99%
“…Magmatic assemblages younger than the middle Permian are associated with the East Mexico Arc (284-232 Ma) (Torres et al, 1999), the Cordilleran magmatic arc (<245 Ma), and accreted terranes of the Cordilleran Orogen (Fig. 5).…”
Section: Analysis and Interpretationmentioning
confidence: 99%
“…Tanto el Gneiss Novillo, como el Esquisto Granjeno presentan como cubierta sedimentaria paleozoica, secuencias conglomeráticas, rocas carbonatadas, tobas riolíticas, lutitas y areniscas del Silúrico-Devónico (Carrillo-Bravo, 1961;Gursky y Michalzik, 1989). Las rocas precámbricas y paleozoicas fueron intrusionadas por granitos y granodioritas de edad Pérmico-Triásico documentadas en el noreste de México como Isla La Mula y Archipiélago de Tamaulipas (McKee et al, 1990;Jones et al, 1995;Torres et al, 1999;Pindell y Kennan, 2002).…”
Section: Geología Regionalunclassified
“…La edad de esta unidad es de ~430-300 Ma (Dowe et al, 2005;Nance et al, 2007). Un cinturón permo-triásico (287 a 232 Ma; Bartolini et al, 1999;Torres et al, 1999) (Michalzik, 1991;Rueda-Gaxiola et al, 1999). Estos sistemas fluviales pueden ser simples o compuestos, y terminales o de tránsito, según sean las facies y la localidad del depósito.…”
Section: Contexto Geológico Localunclassified