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 thei...

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Main Authors: MA Pérez-Flores, F Suárez-Vidal, LA Gallardo-Delgado, A González-Fernández, R Vázquez
Format: Article
Language:English
Published: Universidad Autónoma de Baja California 2004-03-01
Series:Ciencias Marinas
Subjects:
Online Access:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/180
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author MA Pérez-Flores
F Suárez-Vidal
LA Gallardo-Delgado
A González-Fernández
R Vázquez
author_facet MA Pérez-Flores
F Suárez-Vidal
LA Gallardo-Delgado
A González-Fernández
R Vázquez
author_sort MA Pérez-Flores
collection DOAJ
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.
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spelling doaj.art-c21177f6310442bab7534f597849e63b2024-03-03T18:38:38ZengUniversidad Autónoma de Baja CaliforniaCiencias Marinas0185-38802395-90532004-03-0130210.7773/cm.v30i2.180Structural pattern of the Todos Santos Coastal Plain, based on geophysical dataMA Pérez-Flores0F Suárez-Vidal1LA Gallardo-Delgado2A González-Fernández3R Vázquez4Centro de Investigación Científica y de Educación Superior de EnsenadaCentro de Investigación Científica y de Educación Superior de EnsenadaCentro de Investigación Científica y de Educación Superior de EnsenadaCentro de Investigación Científica y de Educación Superior de EnsenadaCentro de Investigación Científica y de Educación Superior de Ensenada 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. https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/180structurecoastal plaingeophysical datagravitymagnetics
spellingShingle MA Pérez-Flores
F Suárez-Vidal
LA Gallardo-Delgado
A González-Fernández
R Vázquez
Structural pattern of the Todos Santos Coastal Plain, based on geophysical data
Ciencias Marinas
structure
coastal plain
geophysical data
gravity
magnetics
title 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_short 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
topic structure
coastal plain
geophysical data
gravity
magnetics
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/180
work_keys_str_mv AT maperezflores structuralpatternofthetodossantoscoastalplainbasedongeophysicaldata
AT fsuarezvidal structuralpatternofthetodossantoscoastalplainbasedongeophysicaldata
AT lagallardodelgado structuralpatternofthetodossantoscoastalplainbasedongeophysicaldata
AT agonzalezfernandez structuralpatternofthetodossantoscoastalplainbasedongeophysicaldata
AT rvazquez structuralpatternofthetodossantoscoastalplainbasedongeophysicaldata