Crustal thickness at the Tuxtla Volcanic Field (Veracruz, Mexico) from receiver functions

Zamora-Camacho, A.; Espíndola, Víctor Hugo; Pacheco, J. F.; Espíndola, J. M.; Godinez, M.

doi:10.1016/j.pepi.2010.05.009

Cited by 17 publications

(5 citation statements)

References 16 publications

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“…At present, the GofC hosts a zone of oblique extension that records the transition from oceanic spreading centers and transform faulting in the south (Londslade, 1989;Lizarralde et al, 2007) to the diffuse continental deformation in the north (Oskin and Stock, 2003;. We obtain a heterogeneous shear-wave velocity distribution along the GofC in accordance with its different tectonic stages and with results from several local studies (Aragón-Arreola and Martín-Barajas, 2007;Persaud et al, 2007;Wang et al, 2009;Zhang and Paulssen, 2012). Seismological data show a significant difference in crustal thickness between the Sierra Madre Occidental core and its margins.…”

Section: Present and Ancient Crustal Extensionsupporting

confidence: 74%

A 3-D shear velocity model of the southern North American and Caribbean plates from ambient noise and earthquake tomography

Gaite

Villaseñor²,

Iglesias

et al. 2015

Solid Earth

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Abstract. We use group velocities from earthquake tomography together with group and phase velocities from ambient noise tomography (ANT) of Rayleigh waves to invert for the 3-D shear-wave velocity structure (5-70 km) of the Caribbean (CAR) and southern North American (NAM) plates. The lithospheric model proposed offers a complete image of the crust and uppermost-mantle with imprints of the tectonic evolution. One of the most striking features inferred is the main role of the Ouachita-Marathon-Sonora orogeny front on the crustal seismic structure of the NAM plate. A new imaged feature is the low crustal velocities along the USA-Mexico border. The model also shows a break of the east-west mantle velocity dichotomy of the NAM and CAR plates beneath the Isthmus of the Tehuantepec and the Yucatan Block. High upper-mantle velocities along the Mesoamerican Subduction Zone coincide with inactive volcanic areas while the lowest velocities correspond to active volcanic arcs and thin lithospheric mantle regions.

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Section: Present and Ancient Crustal Extensionsupporting

confidence: 74%

A 3-D shear velocity model of the southern North American and Caribbean plates from ambient noise and earthquake tomography

Gaite

Villaseñor²,

Iglesias

et al. 2015

Solid Earth

View full text Add to dashboard Cite

show abstract

Section: Present and Ancient Crustal Extensionsupporting

confidence: 70%

A 3-D shear velocity model of the southern North America and the Caribbean plates from ambient noise and earthquake tomography

Gaite¹,

Villaseñor²,

Iglesias³

et al. 2014

Preprint

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Abstract. We use group velocities from earthquake tomography together with group and phase velocities from ambient noise tomography (ANT) of Rayleigh-waves to invert for the 3-D shear-wave velocity structure (5–70 km) of the Caribbean (CAR) and southern North American (NAM) plates. The lithospheric model proposed offers a complete image of the crust and uppermost-mantle with imprints of the tectonic evolution. One of the most striking features inferred is the main role of the Ouachita-Marathon-Sonora orogeny front on the crustal seismic structure of NAM plate. A new imaged feature is the low crustal velocities along USA-Mexico border. The model also shows a break of the E-W mantle velocity dichotomy of the NAM and CAR plates beneath the Isthmus of Tehuantepec and Yucatan Block. High upper-mantle velocities along the Mesoamerican Subduction Zone coincide with inactive volcanic areas while the lowest velocities correspond to active volcanic arcs and thin lithospheric mantle regions.

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“…A strong positive arrival between 4 and 5 s in SSW and NW bands is the seismic multiple phase ( PpPs ) from Ps phase between 1 and 1.5 s after P arrival at 0 s. Double pulses for the P arrival are commonly observed in the northern part of VEOX line, especially in the LTVF. Zamora‐Camacho et al (2010) also observed a layer at 10–14 km from the RF analysis, which they interpreted as the layer between the upper sedimentary layer and transitional crust found elsewhere in the margins of the Gulf of Mexico. (b) The tangential RF image overlain with 29 and 16 traces for stations INUV and SONT, respectively.…”

Section: Data and Rf Imaging Methodsmentioning

confidence: 91%

Evidence of a collision between the Yucatán Block and Mexico in the Miocene

Kim

Clayton

Keppie³

2011

Geophysical Journal International

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S U M M A R YWe present the evidence for an anomalous southwest-dipping slab in southern Mexico. The main evidence comes from a clear receiver function image along a seismic line across the Isthmus of Tehuantepec and is also supported by a previous global tomographic model. The slab dips at 35 • , is approximately 250 km in length and appears to truncate the Cocos slab at about 120 km depth. We hypothesize that the slab was created by subduction of oceanic lithosphere prior to the collision of the Yucatán Block with Mexico at approximately 12 Ma. This scenario would explain the Chiapas Fold and Thrust Belt as the product of this collision, and its age constrains the date of the event to be in the Miocene.

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Crustal thickness at the Tuxtla Volcanic Field (Veracruz, Mexico) from receiver functions

Cited by 17 publications

References 16 publications

A 3-D shear velocity model of the southern North American and Caribbean plates from ambient noise and earthquake tomography

A 3-D shear velocity model of the southern North American and Caribbean plates from ambient noise and earthquake tomography

A 3-D shear velocity model of the southern North America and the Caribbean plates from ambient noise and earthquake tomography

Evidence of a collision between the Yucatán Block and Mexico in the Miocene

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