The Matzitzi Formation in southern Mexico: A record of Pangea final assembly or breakup initiation along inherited suture belts?

Martini, Michelangelo; Guarneros, Jonathan Abimael Anaya; Solari, Luigi; Bedoya, Alejandra; Zepeda-Martínez, Mildred; Villanueva‐Amadoz, Uxue

doi:10.1111/bre.12638

Cited by 5 publications

(14 citation statements)

References 67 publications

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“…~60 Ma; see also Table 1) of 60 ± 2 (1σ) Ma for sample AM-X, 59 ± 1 (1σ) Ma for MF-1, 61 ± 2 (1σ) Ma in MF-2 and 61 ± 3 (1σ) Ma for the Grenvillian sample OC-X. These cooling ages are significantly younger than the stratigraphic ages of the Matzitzi Formation (late Permian; Martini et al 2022) and the 328 SL Florez-Amaya et al…”

Section: B Aft Results From the Central Sectormentioning

confidence: 85%

“…These cooling ages are significantly younger than the stratigraphic ages of the Matzitzi Formation (late Permian; Martini et al . 2022) and the Agua de Mezquite unit (Middle Jurassic? ; Bedoya et al .…”

Section: Apatite Fission-track Resultsmentioning

confidence: 99%

“…Centeno-García et al (2009) recognized in the Matzitzi Formation the typical facies associations that characterize modern anastomosing fluvial systems. The age of the Matzitzi Formation has been an object of debate for decades (for example, see details in Bedoya et al 2021;Martini et al 2022). Based on stratigraphic correlations, Aguilera (1896) and Calderón-García (1956) first proposed a Triassic and Jurassic age, respectively.…”

Section: B Geology Of the Central Sectormentioning

confidence: 99%

“…2021; Martini et al . 2022). Based on stratigraphic correlations, Aguilera (1896) and Calderón-García (1956) first proposed a Triassic and Jurassic age, respectively.…”

Section: Geological Overviewmentioning

confidence: 99%

“…This depositional age was confirmed by recent geochronological studies performed by Martini et al . (2022).…”

Section: Geological Overviewmentioning

confidence: 99%

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Detecting the Laramide event in southern Mexico by means of apatite fission-track thermochronology

et al. 2022

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In this study, we present apatite fission-track results obtained for ten rock samples collected from three different areas across the Sierra Madre del Sur, southern Mexico. The central objective of our study is the timing of the exhumation event that took place in southern Mexico during Late Cretaceous–Palaeogene time. The thermochronometric data obtained during this work indicate that a Late Cretaceous–Eocene cooling is recorded within the Sierra Madre del Sur, and this is interpreted as resulting from exhumation, an orogenic event that is contemporaneous with the Laramide sensu lato (or the Mexican Orogeny). The fission-track ages become younger from west to east across the Sierra Madre del Sur, whereas the cooling rates also increased in the same direction approximately during Campanian–middle Eocene time. Here, we suggest that the activity of the major fault systems of southern Mexico, such as the Caltepec and the Oaxaca faults, played a primary role in the development of geological structures and the exhumation of the Sierra Madre del Sur. Active magmatism during the evolution of the Mexican Orogen implicates the subducted Farallon slab as the main driver of crustal thickening. Moreover, the possible influence of the eastward movement of the Chortis Block on the deformation of the Sierra Madre del Sur cannot be ruled out.

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Section: B Aft Results From the Central Sectormentioning

confidence: 85%

Section: Apatite Fission-track Resultsmentioning

confidence: 99%

Section: B Geology Of the Central Sectormentioning

confidence: 99%

“…2021; Martini et al . 2022). Based on stratigraphic correlations, Aguilera (1896) and Calderón-García (1956) first proposed a Triassic and Jurassic age, respectively.…”

Section: Geological Overviewmentioning

confidence: 99%

“…This depositional age was confirmed by recent geochronological studies performed by Martini et al . (2022).…”

Section: Geological Overviewmentioning

confidence: 99%

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Detecting the Laramide event in southern Mexico by means of apatite fission-track thermochronology

et al. 2022

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Digital 3D models of theropods for approaching body-mass distribution and volume

2021

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The aim of this work is to obtain diverse morphometric data from digitized 3D models of scientifically accurate palaeoreconstructions of theropods from eight representative families. The analysed polyvinyl chloride (PVC) models belong to the genera Coelophysis, Dilophosaurus, Ceratosaurus, Allosaurus, Baryonyx, Carnotaurus, Giganotosaurus, and Tyrannosaurus. The scanned 3D models were scaled considering different body-size estimations of the literature. The 3D analysis of these genera provides information on the skull length and body length that allows for recognition of major evolutionary trends. The skull length/body length in the studied genera increases according with the size of the body from the smallest Coelophysis with a ratio of 0.093 to ratios of 0.119–0.120 for Tyrannosaurus and Giganotosaurus, the largest study theropods. The study of photogrammetric 3D models also provides morphometric information that cannot be obtained from the study of bones alone, but knowing that all reconstructions begin from the fossil bones, such as the surface/volume ratio (S/V). For the studied theropod genera surface/volume ratio ranges from 35.21 for Coelophysis to 5.55 for Tyrannosaurus. This parameter, closely related to the heat dissipation, help in the characterization of the metabolism of extinct taxa. Accordingly, slender primitive forms of the Early Jurassic (i.e. Coelophysis and Dilophosaurus) had relatively smaller skulls and higher mass-specific metabolic rates than the robust large theropods of the Cretaceous (i.e. Giganotosaurus and Tyrannosaurus). This work presents a technique that, when applied to proper dinosaur models, provides extent and accurate data that may help in diverse study areas within the dinosaur palaeontology and palaeobiology.

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Provenance analysis and thermochronology of the Chivillas Formation, Mexico: a record of basin formation and inversion in the southern Sierra Madre Oriental during the Early Cretaceous–Palaeogene

Cruz

Solari

Martens

et al. 2022

International Geology Review

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Road from Azumbilla to Coxcatlán, Puebla (18°35'06''N; 97°14'44''W)Chivillas Formation is characterized by a finning and thinning-upward succession of 1.0-1.5meter-thick quartz-pebble conglomerate with black shale intraclasts and normal gradding. It's followed by a medium to coarse-grained sandstone with planar lamination and laminated black calcareous shale. The succession is cyclic and represents Tad and Tabd Bouma Sequence. Samples RN-3 and RN-4 were collected in this succession, separated by ~2.5 km from each other over the road.

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The Matzitzi Formation in southern Mexico: A record of Pangea final assembly or breakup initiation along inherited suture belts?

Cited by 5 publications

References 67 publications

Detecting the Laramide event in southern Mexico by means of apatite fission-track thermochronology

Detecting the Laramide event in southern Mexico by means of apatite fission-track thermochronology

Digital 3D models of theropods for approaching body-mass distribution and volume

Provenance analysis and thermochronology of the Chivillas Formation, Mexico: a record of basin formation and inversion in the southern Sierra Madre Oriental during the Early Cretaceous–Palaeogene

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