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Date: 2013
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/275395
Description: High-pressure (HP) rocks at Tehuitzingo, on the western margin of the HP belt within the Paleozoic Acatlán Complex (southern México), occur in a klippe that was thrust over low-grade clastic rocks. Th ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/275458
Description: The ENE-trending, ca. 306-287 Ma, Totoltepec pluton is part of a Carboniferous-Permian continental magmatic arc on the western Pangaean margin. The 15 km x 5 km pluton is bounded by two N-S Permian de ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/292200
Description: High-pressure (HP) rocks are critical for palinspastic restorations because they mark inferred subducted/extruded oceanic crust; knowledge of their geometric, geodynamic, and age relationships provide ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/292186
Description: The type high-pressure (HP) Piaxtla Suite in the Acatlán Complex of southern Mexico consists of retrogressed eclogite (amphibolite), megacrystic granitoids and high-grade meta-sedimentary rocks. Exhum ... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/292278
Description: The origin and age of high pressure (HP) rocks are crucial for paleogeographic reconstructions because they either define an oceanic suture or an extrusion zone within the upper plate. HP rocks in the ... More
Reviewed: Reviewed
Date: 2009
Subject Keyword: 040300 Geology | 040200 Geochemistry
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/292362
Description: The Acatlán Complex straddles a highpressure belt previously interpreted as either: (1) a suture zone within the Iapetus or the Rheic oceans, which would have a contrasting geological record across th ... More
Reviewed: Reviewed
Date: 2007
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/345794
Description: U-Pb zircon data from three undeformed to slightly deformed, megacrystic, granitoid plutons in the northern Acatlán Complex of southern México has indicated that all three are part of a larger suite o ... More
Reviewed: Reviewed
Date: 2007
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/345771
Description: The Piaxtla Suite of the Acatlán Complex (southern México) has previously been considered a vestige of the Iapetus Ocean that underwent eclogite-facies metamorphism during Late Ordovician subduction a ... More
Reviewed: Reviewed
Date: 2006
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/334006
Description: The ∼1 Ga Novillo Gneiss exposed in an inlier in the front ranges of the Laramide belt in east-central Mexico is cut by an unmetamorphosed NE-trending mafic dyke swarm. The gneiss represents the north ... More
Reviewed: Reviewed
Date: 2004
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/334122
Description: Shear zones and upright folds affecting the northern Oaxacan Complex are documented as follows: (1) SE-directed shearing dated at 479 ± 4 Ma (⁴⁰ Ar/³⁹ Ar biotite laser total fusion age); (2) E-directe ... More
Reviewed: Reviewed
Date: 2004
Subject Keyword: Geochronology | Mexico | Oaxaca | Rodinia | Tectonics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/334009
Description: To better define the cooling history of the northern Oaxacan Complex, titanite and phlogopite from metasedimentary calc-silicate and biotite from a pegmatite were collected. All these rocks were invol ... More
Reviewed: Reviewed
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