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Cenozoic gravity tectonics in the northern Gulf of Mexico induced by crustal extension; a new interpretation of multichannel seismic data

Claude Rangin, Xavier Le Pichon, Nicolas Flotte and Laurent Husson
Cenozoic gravity tectonics in the northern Gulf of Mexico induced by crustal extension; a new interpretation of multichannel seismic data (in Gravity tectonics and plate motions; the western margin of the Gulf of Mexico, Claude Rangin (prefacer), Xavier Le Pichon (prefacer), Juventino Martinez-Reyes (prefacer) and Mario Aranda-Garcia (prefacer))
Bulletin de la Societe Geologique de France (2008) 179 (2): 117-128

Abstract

The Gulf of Mexico margin in Texas is one of the most impressive examples of starved passive margin gravity collapse systems. Growth faults developed upslope and are compensated down slope by toe folding and thrusting. On the basis of new multi-channel seismic data with high penetration (down to 11 s-twtt) we present evidences for deep crustal extension and rifting that have enhanced superficial sliding. This hypothesis is supported by a significant heat flow anomaly and crustal thinning independently deduced from gravity data. This Cenozoic rifting episode is tectonically linked to left lateral motion along the Rio Bravo Fault, a reactivated branch of the Texas lineament.


ISSN: 0037-9409
EISSN: 1777-5817
Coden: BSGFAE
Serial Title: Bulletin de la Societe Geologique de France
Serial Volume: 179
Serial Issue: 2
Title: Cenozoic gravity tectonics in the northern Gulf of Mexico induced by crustal extension; a new interpretation of multichannel seismic data
Title: Gravity tectonics and plate motions; the western margin of the Gulf of Mexico
Author(s): Rangin, ClaudeLe Pichon, XavierFlotte, NicolasHusson, Laurent
Author(s): Rangin, Claudeprefacer
Author(s): Le Pichon, Xavierprefacer
Author(s): Martinez-Reyes, Juventinoprefacer
Author(s): Aranda-Garcia, Marioprefacer
Affiliation: College de France, Chaire de Geodynamique, Aix en Provence, France
Affiliation: College de France, Chaire de Geodynamique, Aix en Provence, France
Pages: 117-128
Published: 2008
Text Language: English
Summary Language: French
Publisher: Societe Geologique de France, Paris, France
References: 31
Accession Number: 2008-088551
Categories: Solid-earth geophysicsApplied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: sects., geol. sketch maps
N18°00'00" - N30°04'00", W98°00'00" - W80°30'00"
N25°45'00" - N36°30'00", W106°30'00" - W93°30'00"
Secondary Affiliation: Universidad Nacional Autonoma de Mexico, MEX, MexicoPEMEX, MEX, MexicoAREVA T&D, FRA, FranceUniversite Rennes I, FRA, France
Country of Publication: France
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Societe Geologique de France. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 200827
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