Structural pattern of the Todos Santos Coastal Plain, based on geophysical data

Structural pattern of the Todos Santos Coastal Plain, based on geophysical data

A set of gravity and magnetic data taken within the Todos Santos Coastal Plain between 1962 and 2000 from land, sea and air is used to integrate the structural framework and tectonic model of this area. The present work collected all the available data, homogenized them, and maintained them at their...

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Autores principales: Pérez-Flores, MA, Suárez-Vidal, F, Gallardo-Delgado, LA, González-Fernández, A, Vázquez, R
Formato: Online
Lenguaje:eng
Publicado: Iniversidad Autónoma de Baja California 2004
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/180
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spelling oai:cienciasmarinas.com.mx:article-1802019-04-12T00:03:32Z Structural pattern of the Todos Santos Coastal Plain, based on geophysical data Patrón estructural de la Planicie Costera de Todos Santos, con base en datos geofísicos Pérez-Flores, MA Suárez-Vidal, F Gallardo-Delgado, LA González-Fernández, A Vázquez, R structure coastal plain geophysical data gravity magnetics estructura planicie costera datos geofísicos gravimetría magnetometría A set of gravity and magnetic data taken within the Todos Santos Coastal Plain between 1962 and 2000 from land, sea and air is used to integrate the structural framework and tectonic model of this area. The present work collected all the available data, homogenized them, and maintained them at their original altitude. A new technique of joint inversion for gravity and magnetic data from three-dimensional structures was applied. As a result, a well-defined topographic map of the granitic-andesitic basement was obtained and previously unknown geological structures were depicted. Several cross-sections were made from the three-dimensional model obtained, establishing the Todos Santos Coastal Plain structural pattern as a typical pull-apart basin associated with a tectonic fore-arc during the subduction of the Farallón Plate in Late Mesozoic and Early Cenozoic time. Se integró el marco estructural y el modelo tectónico de la Planicie Costera de Todos Santos, utilizando un conjunto de datos gravimétricos y magnéticos tomados entre 1962 y 2000 en tierra, aire y mar. En el presente trabajo se integró toda la información disponible, se homogeneizó y se mantuvo a su altitud original. Se empleó una nueva técnica de inversión conjunta de datos gravimétricos y magnéticos para estructuras tridimensionales. Como resultado se obtuvo un mapa topográfico del basamento granítico-andesítico, donde se visualizan rasgos geológicos desconocidos hasta este trabajo. Se hicieron algunas secciones a partir del modelo tridimensional, en los que se establece el patrón estructural de la Planicie Costera de Todos Santos, el cual es típico de una cuenca extensional (pull-apart basin) asociada con un frente de arco en un ambiente tectónico durante la subducción de la placa Farallón a final del Mesozoico y principios del Cenozoico. Iniversidad Autónoma de Baja California 2004-03-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/180 10.7773/cm.v30i2.180 Ciencias Marinas; Vol. 30 No. 2 (2004); 349-364 Ciencias Marinas; Vol. 30 Núm. 2 (2004); 349-364 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/180/155
institution Ciencias Marinas
collection OJS
language eng
format Online
author Pérez-Flores, MA
Suárez-Vidal, F
Gallardo-Delgado, LA
González-Fernández, A
Vázquez, R
spellingShingle Pérez-Flores, MA
Suárez-Vidal, F
Gallardo-Delgado, LA
González-Fernández, A
Vázquez, R
Structural pattern of the Todos Santos Coastal Plain, based on geophysical data
author_facet Pérez-Flores, MA
Suárez-Vidal, F
Gallardo-Delgado, LA
González-Fernández, A
Vázquez, R
author_sort Pérez-Flores, MA
title Structural pattern of the Todos Santos Coastal Plain, based on geophysical data
title_short Structural pattern of the Todos Santos Coastal Plain, based on geophysical data
title_full Structural pattern of the Todos Santos Coastal Plain, based on geophysical data
title_fullStr Structural pattern of the Todos Santos Coastal Plain, based on geophysical data
title_full_unstemmed Structural pattern of the Todos Santos Coastal Plain, based on geophysical data
title_sort structural pattern of the todos santos coastal plain, based on geophysical data
description A set of gravity and magnetic data taken within the Todos Santos Coastal Plain between 1962 and 2000 from land, sea and air is used to integrate the structural framework and tectonic model of this area. The present work collected all the available data, homogenized them, and maintained them at their original altitude. A new technique of joint inversion for gravity and magnetic data from three-dimensional structures was applied. As a result, a well-defined topographic map of the granitic-andesitic basement was obtained and previously unknown geological structures were depicted. Several cross-sections were made from the three-dimensional model obtained, establishing the Todos Santos Coastal Plain structural pattern as a typical pull-apart basin associated with a tectonic fore-arc during the subduction of the Farallón Plate in Late Mesozoic and Early Cenozoic time.
publisher Iniversidad Autónoma de Baja California
publishDate 2004
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/180
_version_ 1715723939790979072

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