Victor Hugo G. Pinto

Petrobras (Brazil)

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Giänreto Manatschal

Université de Strasbourg

Anne Marie Karpoff

Centre National de la Recherche Scientifique

Adriano R. Viana

Petrobras (Brazil)

Emmanuel Masini

Institut des Sciences de la Terre

Damien Lemarchand

Ecole Nationale du Génie de l'Eau et de l'Environnement de Strasbourg (ENGEES)

Marc Ulrich

Université de Strasbourg

Webster Ueipass Mohriak

Universidade do Estado do Rio de Janeiro

Nicholas W. Hayman

Oklahoma Biological Survey

Benoît Petri

Université de Strasbourg

Renata S. Schmitt e Paulo T. Menezes

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Centre National de la Recherche Scientifique

Université de Strasbourg

Petrobras (Brazil)

Institut de physique du globe de Paris

Centre National pour la Recherche Scientifique et Technique (CNRST)

Terre des Hommes

Institut de Physique

Institut des Sciences de la Terre

Universidade do Estado do Rio de Janeiro

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École & Observatoire des Sciences de la Terre

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Seawater storage and element transfer associated with mantle serpentinization in magma-poor rifted margins: A quantitative approach

Earth and Planetary Science Letters (2016)

Victor Hugo G. Pinto Giänreto Manatschal Anne Marie Karpoff Marc Ulrich Adriano R. Viana

Continental Margin

Primitive mantle

10.1016/j.epsl.2016.11.023

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Citations (30)

Linking the tectonic evolution with fluid history in magma-poor rifted margins: tracking mantle- and continental crust-related fluids

2014 AGU Fall Meeting (2014)

Victor Hugo G. Pinto Giänreto Manatschal Anne Marie Karpoff

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Subsidence and uplift history of hyperextended margins and a self-consistent mechanism of depth-dependent thinning of the lithosphere

AGUFM (2012)

A. Svartman Dias L. L. Lavier Nicholas W. Hayman Giänreto Manatschal Victor Hugo G. Pinto

Thinning

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Interpretação geológico-geofísica de estruturas continentais e sua continuação em águas rasas na Bacia de Campos, Estado do Rio de Janeiro

Victor Hugo G. Pinto Webster Ueipass Mohriak Renata da Silva Schmitt Paulo T. L. Menezes

PreviousNext No Access9th International Congress of the Brazilian Geophysical Society & EXPOGEF, Salvador, Bahia, Brazil, 11-14 September 2005Interpretação geológico-geofísica de estruturas continentais e sua continuação em águas rasas na Bacia de Campos, Estado do Rio de JaneiroAuthors: Victor Hugo G. PintoWebster U. MohriakRenata S. SchmittPaulo T. MenezesVictor Hugo G. PintoFaculdade de Geologia/UERJ, Brasil, Webster U. MohriakFaculdade de Geologia/UERJ, Brasil, Renata S. SchmittFaculdade de Geologia/UERJ, Brasil, and Paulo T. MenezesFaculdade de Geologia/UERJ, Brasilhttps://doi.org/10.1190/sbgf2005-139 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract This paper is in Portuguese. This work presents the preliminary comparative analysis of the regional structures observed in onshore satellite images and their continuation toward the Campos Basinz shallow water platform. These results were obtained by integration of aeromagnetic and gravimetric data, satellite images, topographic, and regional structural maps, combined with structural analysis from fieldwork. The southern portion of the Campos Basin is located over gneissic rocks of the Cabo Frio Tectonic Domain (CFTD), a Cambrian-Ordovician tectonic unit formed during the agglutination of the Gondwana Paleocontinent. All the CFTD lithotypes are tectonically intercalated throughout thrust zones, dipping between 5° and 30° to the south. These units were deformed during D1 and D2 deformation stages, at c.a. 520 Ma (Schmitt et al., 2004). The CFTD was juxtaposed to the tectonic units of the Ribeira Belt during D3 phase. The contact is marked by a thrust fault striking NE-SW that dips 30° to the south, with a vergence towards the NW. This regional structure is present in the Macaé region, from where, supposedly, it inflects in an ENE-WSW direction towards the continental platform, with a predominant NE-SW strike related to Early Cretaceous syn-rift fault trends. Keywords: tectonic, aeromagnetic, gravimetric, Campos Basin, Permalink: https://doi.org/10.1190/sbgf2005-139FiguresReferencesRelatedDetails 9th International Congress of the Brazilian Geophysical Society & EXPOGEF, Salvador, Bahia, Brazil, 11-14 September 2005ISSN (online):2159-6832Copyright: 2005 Pages: 2274 publication data© 2005 Published in electronic format with permission by the Brazilian Geophysical SocietyPublisher:Society of Exploration Geophysicists HistoryPublished: 14 Sep 2005 CITATION INFORMATION Victor Hugo G. Pinto, Webster U. Mohriak, Renata S. Schmitt, and Paulo T. Menezes, (2005), "Interpretação geológico-geofísica de estruturas continentais e sua continuação em águas rasas na Bacia de Campos, Estado do Rio de Janeiro," SEG Global Meeting Abstracts : 680-684. https://doi.org/10.1190/sbgf2005-139 Plain-Language Summary KeywordstectonicaeromagneticgravimetricCampos BasinPDF DownloadLoading ...

10.1190/sbgf2005-139

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Linking tectonic evolution with fluid history in hyperextended rifted margins : examples from the fossil Alpine and Pyrenean rift systems, and the present-day Iberia rifted margin

HAL (Le Centre pour la Communication Scientifique Directe) (2014)

Victor Hugo G. Pinto

This thesis focus in the identification of geochemical tracers and effects of fluid that interact with basement and sedimentary rocks in hyperextended systems. The investigation of such fluids is based on geological observation, geochemical analyses and geophysical data from fossil hyperextended rift systems exposed in the Alps and in the West Pyrenees, and the present-day distal margins of Iberia and Newfoundland. Two types of fluids were identified during this study. The first type, referred to as continental crust-related fluids, has a signature of Si and Ca. The second type, referred to as mantle-related fluids, has a signature of Si, Mg, Fe, Mn, Ca, Ni, Cr and V. The fluid percolation is strongly related to the formation of extensional detachment faults and the evolution of hyperextended systems. Fluid flow in these systems has major implications for the nature of sediments, rheological changes and chemical modifications of the Earth’s reservoirs throughout its evolution.

Basement

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Fluid history in hyper-extended rifted margins: Examples from the fossil Alpine and western Pyrenean rift systems and the present-day Iberia rifted continental margin.

EGU General Assembly Conference Abstracts (2013)

Victor Hugo G. Pinto Giänreto Manatschal Anne Marie Karpoff Emmanuel Masini Damien Lemarchand

Continental Margin

Margin (machine learning)

Palaeogeography

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Fluids in hyper-extended rifted margins: Examples from the paleomargins in the eastern Alps and west Pyrenees and present-day Iberia rifted continental margin.

EGU General Assembly Conference Abstracts (2012)

Victor Hugo G. Pinto Giänreto Manatschal Adriano R. Viana Anne Marie Karpoff Emmanuel Masini

Continental Margin

Margin (machine learning)

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From Post-Orogenic Collapse to Continental Breakup: Evolution and Fate of the Alpine Tethys and Atlantic Rift Systems in Western Europe

AGU Fall Meeting Abstracts (2012)

Giänreto Manatschal Geoffroy Mohn Emmanuel Masini Marco Beltrando Natasha Stanton

Continental Margin

Continental drift

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Interpretação geológico-geofísica de estruturas continentais e sua continuação em águas rasas na Bacia de Campos, Estado do Rio de Janeiro

6th International Congress of the Brazilian Geophysical Society (2005)

Victor Hugo G. Pinto Webster Ueipass Mohriak Renata S. Schmitt e Paulo T. Menezes

This work presents the preliminary comparative analysis of the regional structures observed in onshore satellite images and their continuation toward the Campos Basin shallow water platform. These results were obtained by integration of aeromagnetic and gravimetric data, satellite images, topographic, and regional structural maps, combined with structural analysis from fieldwork.<br>The southern portion of the Campos Basin is located over gneissic rocks of the Cabo Frio Tectonic Domain (CFTD), a Cambrian-Ordovician tectonic unit formed during the agglutination of the Gondwana Paleocontinent. All the CFTD lithotypes are tectonically intercalated throughout thrust zones, dipping between 5º and 30º to the south. These units were deformed during D1 and D2 deformation stages, at c.a. 520 Ma (Schmitt et al., 2004). The CFTD was juxtaposed to the tectonic units of the Ribeira Belt during D3 phase. The contact is marked by a thrust fault striking NE-SW that dips 30º to the south, with a vergence towards the NW. This regional structure is present in the Macaé region, from where, supposedly, it inflects in an ENE-WSW direction towards the continental platform, with a predominant NE-SW strike related to Early Cretaceous syn-rift fault trends.

Horst

Thrust fault

Tectonic phase

10.3997/2214-4609-pdb.160.sbgf139

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Tracing mantle‐reacted fluids in magma‐poor rifted margins: The example of Alpine Tethyan rifted margins

Geochemistry Geophysics Geosystems (2015)

Victor Hugo G. Pinto Giänreto Manatschal Anne Marie Karpoff Adriano R. Viana

Abstract The thinning of the crust and the exhumation of subcontinental mantle in magma‐poor rifted margins is accompanied by a series of extensional detachment faults. We show that exhumation along these detachments is intimately related to migration of fluids leading to changes in mineralogy and chemistry of the mantle, crustal, and sedimentary rocks. Using field observation and analytical methods, we investigate the role of fluids in the fossil distal margins of the Alpine Tethys. Using Cr‐Ni‐V, Fe, and Mn as tracers, we show that fluids used detachment faults as pathways and interacted with the overlying crust and sediments. These observations allow us to discuss when, where, and how this interaction happened during the formation of the rifted margin. The results show that: (i) serpentinization of mantle rocks during their exhumation results in the depletion of elements and migration of mantle‐reacted fluids that are channeled along active detachment system; (ii) in earlier‐stages, these fluids affected the overlying syntectonic sediments by direct migration from the underlying detachments;(iii) in later‐stages, these fluids arrived at the seafloor, were introduced into, or “polluted” the seawater and were absorbed by post tectonic sediments. We conclude that a significant amount of serpentinization occurred underneath the hyperextended continental crust, and that the mantle‐reacted fluids might have modified the chemical composition of the sediments and seawater. We propose that the chemical signature of serpentinization related to mantle exhumation is recorded in the sediments and may serve as a proxy to date serpentinization and mantle exhumation at present‐day magma‐poor rifted margins.

Crustal recycling

10.1002/2015gc005830

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Citations (51)