Christophe Renac

Publications

Article dans une revue (48)

Interaction of magmatic and meteoric water during barite crystallization in the Seival area (Cu), epithermal deposit from the Camaquã Basin, Neoproterozoic Dom Feliciano Belt of southern Brazil Rodrigo Winck Lopes,André Sampaio Mexias,Christophe Renac,Márcia Elisa Boscato Gomes,Eduardo Fontanaet al. Geologia USP Série Cientifica, 2025, 25 (4), pp.55-71. ⟨10.11606/issn.2316-9095.v25-228297⟩ Article dans une revue hal-05400568v1
Phosphatization in the São Pedro and São Paulo Archipelago (SPSPA), Equatorial Atlantic, Brazil: Insights from guano leaching and chemical weathering Eduardo Baudson Duarte,Angélica Fortes Drummond Chicarino Varajao,Fábio Soares Oliveira,Christophe Renac,Carlos Ernesto Gonçalves Reynaud Schaeferet al. Journal of South American Earth Sciences, 2024, 150, pp.105234. ⟨10.1016/j.jsames.2024.105234⟩ Article dans une revue hal-04922062v1
Comment on “E Re-examination of the Aïn Allegua-Aguiba Celestite-Pb-Zn salt diapir-related Mississippi Valley-Type Deposits (Nappes zone, Northwestern Tunisia): New conceptual model”-A discussion by Aroua Mzoughi, Hechmi Garnit, Salah Bouhlel, Georges Beaudoin, Driss Khlifa, Anis Barkouti, ZiedTabaibi (Ore Geology Reviews (2023) 105681 and https://doi.org/10.1016/j.oregeorev.2023.105681) Riadh Abidi,Christian Marignac,Étienne Deloule,Christian Hibsch,Dominique Gasquetet al. Ore Geology Reviews, 2024, pp.105888. ⟨10.1016/j.oregeorev.2024.105888⟩ Article dans une revue hal-04413172v1
Neoproterozoic tectonothermal overprint on the Southern São Francisco Craton basement, Brazil Everton Marques Bongiolo,Christophe Renac,Ciro Alexandre Ávila,Sylvain Gallet,Reiner Neumann Precambrian Research, 2024, 412, pp.107537. ⟨10.1016/j.precamres.2024.107537⟩ Article dans une revue hal-04669968v1
Lithological controls of phosphatization in oceanic islands, Equatorial Atlantic, Brazil Eduardo Baudson Duarte,Angélica Fortes Drummond Chicarino Varajao,Fábio Soares Oliveira,Christophe Renac,Carlos Ernesto Gonçalves Reynaud Schaeferet al. CATENA, 2024, 242, pp.108138. ⟨10.1016/j.catena.2024.108138⟩ Article dans une revue hal-05400572v1
Assessment of the water quality in the coastal Yaqui valley (Mexico): implications for human health and ecological risks. Aurélie Barats,Christophe Renac,Sofia Garrido- Hoyos,Beatriz Gonzalez-Perez,Karina Garcia. Mendozaet al. Environmental Research, 2024, 264 (1), pp.120275. ⟨10.1016/j.envres.2024.120275⟩ Article dans une revue hal-04784709v1
Kerguelen carbonatite tuff sourced from deep recycled material Luc Doucet,Bertrand Moine,Jean-Yves Cottin,Jean-Louis Paquette,Christophe Renacet al. Earth and Planetary Science Letters, 2023, 621, pp.118375. ⟨10.1016/j.epsl.2023.118375⟩ Article dans une revue hal-04222161v1
Interplay of magmatic and diapiric environments in the Djebel El Hamra Pb-Zn-Hg ore district, northern Tunisia Riadh Abidi,Christian Marignac,Étienne Deloule,Christian Hibsch,Dominique Gasquetet al. Mineralium Deposita, 2022, 57, p. 35-60. ⟨10.1007/s00126-021-01048-1⟩ Article dans une revue hal-03169820v1
The microbial controls on the deposition of Pb‐Zn minerals in carbonate‐hosted Tunisian ore deposits Riadh Abidi,Najet Slim-Shimi,Christan Marignac,Alireza Somarin,Christophe Renacet al. Resource Geology, 2022, 72 (1), ⟨10.1111/rge.12287⟩ Article dans une revue hal-04222163v1
Implication of 40Ar/39Ar–petrochronology in the Buracão orogenic gold deposit for tectonic and low-temperature evolution of the northern Brasília Fold Belt, Brazil G.L.C. Pires,C. Renac,S. Gallet,E.M. Bongiolo,R. Neumann Journal of South American Earth Sciences, 2021, 111, pp.103483. ⟨10.1016/j.jsames.2021.103483⟩ Article dans une revue hal-03578552v1
40Ar/39Ar dating of high temperature geothermal systems: First attempt on hydrothermally altered pyroxenes from the Saintes archipelago (Lesser Antilles arc, Guadeloupe) Alexiane Favier,Chrystele Verati,Jean-Marc Lardeaux,Philippe Münch,Christophe Renacet al. Chemical Geology, 2021, 581, pp.120401. ⟨10.1016/j.chemgeo.2021.120401⟩ Article dans une revue hal-03280968v1
Oxic and post-oxic chemical changes related to eogenesis and mesogenesis in a Miocene paleolake C. Renac,Aurélie Barats,Andre Mexias,Jérôme Barrière,Martina Rozmaricet al. Journal of Paleolimnology, 2020, 64, pp.193-210. ⟨10.1007/S10933-020-00131-3⟩ Article dans une revue hal-02637932v1
Tracing source and mobility of arsenic and trace elements in a hydrosystem impacted by past mining activities (Morelos state, Mexico) Aurélie Barats,Christophe Renac,Anna Maria Orani,Gaël Durrieu,Humberto Saint Martinet al. Science of the Total Environment, 2020, pp.135565. ⟨10.1016/j.scitotenv.2019.135565⟩ Article dans une revue hal-02409031v1
Gossan mineralogy, textures, and gold enrichment over the Au (As, Bi, Ag) deposit in the Buracão Area (Brasília Fold Belt, Brazil): Implications for gold prospecting in weathering profiles G.L.C. Pires,C. Renac,E.M. Bongiolo,Reiner Neumann Journal of Geochemical Exploration, 2020, 218, pp.106615. ⟨10.1016/j.gexplo.2020.106615⟩ Article dans une revue hal-02916925v1
Stable isotope study of rainfall, river drainage and hot springs of the kerguelen archipelago, SW Indian Ocean Renac Christophe,Bertrand Moine,Goudour Jean-Pierre,Leromancer Marc,Perrache Chantal Geothermics, 2020, 83, pp.101726. ⟨10.1016/j.geothermics.2019.101726⟩ Article dans une revue hal-02326739v1
Mass balance and origin of fluids associated to smectite and chlorite/smectite alteration in Seival Mine Cu–Mineralization – Camaquã Basin – Brazil (Part II) Eduardo Fontana,Christophe Renac,Andre Mexias,Aurélie Barats,Marie-Christine Gerbeet al. Journal of Geochemical Exploration, 2019, 196, pp.20 - 32. ⟨10.1016/j.gexplo.2018.10.001⟩ Article dans une revue istex hal-01918988v1
Mineral assemblages and temperature associated with Cu enrichment in the Seival area (Neoproterozoic Camaquã Basin of Southern Brazil) Rodrigo Lopes,Christophe Renac,Andre Mexias,Lauro V.S. Nardi,Eduardo Fontanaet al. Journal of Geochemical Exploration, 2019, 201, pp.56-70. ⟨10.1016/j.gexplo.2019.03.010⟩ Article dans une revue hal-02193098v1
P-T-X reconstruction for ore deposits using petroleum-rich fluid inclusions in fluorite: A case study in the Bou Jaber diapir-related Ba–Pb–Zn–F deposit, Northern Tunisia Riadh Abidi,Christian Marignac,Najet Slim-Shimi,Jacques Pironon,Dominique Gasquetet al. Journal of African Earth Sciences, 2019, 159, pp.103577. ⟨10.1016/j.jafrearsci.2019.103577⟩ Article dans une revue hal-02272528v1
First assessment on trace elements in sediment cores from Namibian coast and pollution sources evaluation Anna Maria Orani,Emilia Vassileva,Christophe Renac,Sabine Schmidt,Michael Angelidiset al. Science of the Total Environment, 2019, 669, pp.668-682. ⟨10.1016/j.scitotenv.2019.03.059⟩ Article dans une revue istex hal-02104707v1
P–T–X conditions on the genesis of orogenic Au (As, Bi, Ag) deposit in metasedimentary rocks of the Buracão Area, Araí Group, Brasília Fold Belt, Brazil G.L.C. Pires,C. Renac,E.M. Bongiolo,R. Neumann,A. Barats Ore Geology Reviews, 2019, 105, pp.163-182. ⟨10.1016/j.oregeorev.2018.12.017⟩ Article dans une revue hal-02117921v1
Au Cu Ag mineralization controlled by brittle structures in Lavras do Sul Mining District and Seival Mine deposits, Camaquã Basin, southern Brazil R.W. Lopes,A.S. Mexias,R.P. Philipp,E.M. Bongiolo,C. Renacet al. Journal of South American Earth Sciences, 2018, 88, pp.197-215. ⟨10.1016/j.jsames.2018.08.017⟩ Article dans une revue hal-02019091v1
Hydrothermal alteration of volcanic rocks in Seival Mine Cu–mineralization – Camaquã Basin – Brazil (part I): Chloritization process and geochemical dispersion in alteration halos E. Fontana,André S. Mexias,Ch. Renac,Lauro V.S. Nardi,Rodrigo W. Lopeset al. Journal of Geochemical Exploration, 2017, 177, pp.45 - 60. ⟨10.1016/j.gexplo.2017.02.004⟩ Article dans une revue hal-01523970v1
Origin of pegmatites and fluids at Ponta Negra (RJ, Brazil) during late- to post-collisional stages of the Gondwana Assembly, E. Bongiolo Marques,Ch. Renac,P. de Toledo Piza,R. da Silva Schmitt,A. Mexias Sampaio Lithos, 2016, 240-243, pp.259-275. ⟨10.1016/j.lithos.2015.11.015⟩ Article dans une revue istex hal-01256413v1
Structural and lithological controls of gold–bearing veins associated with the Brasiliano–Pan African Orogeny: An example from the Buracão Area, Araí Group (Brasília Fold Belt, Brazil), G. Campos Pires,E. Bongiolo Marques,Ch. Renac,D. Barros Nascimento,M. Prado Journal of South American Earth Sciences, 2016, 66, pp.180-195. ⟨10.1016/j.jsames.2016.01.001⟩ Article dans une revue hal-01346731v1
New 40Ar/39Ar ages and revised 40K/40Ar* data from nephelinitic–phonolitic volcanic successions of the Trindade Island (South Atlantic Ocean) C. Pires,E.M. Bongiolo,C. Geraldes,C. Renac,A.C. Santoset al. Journal of Volcanology and Geothermal Research, 2016, 327, pp.531 - 538. ⟨10.1016/j.jvolgeores.2016.09.020⟩ Article dans une revue hal-01527342v1
Petrogenesis of the post-collisional Bled M’Dena volcanic ring complex in Reguibat Rise (western Eglab shield, Algeria) Tabeliouna Mohammed,Jean-Yves Cottin,Bowden Peter,Renac Christophe Journal of African Earth Sciences, 2015, ⟨10.1016/j.jafrearsci.2015.04.003⟩ Article dans une revue hal-02115251v1
Metallogenesis of the Paleoproterozoic Piaba orogenic gold deposit, São Luís cratonic fragment, Brazil, Christophe Renac,Marco A Galarza,F. Jourdan,R. A. Armstrong,Evandro L. Kleinet al. Ore Geology Reviews, 2015, pp.1-25. ⟨10.1016/j.oregeorev.2014.07.022⟩ Article dans une revue istex hal-01116155v1
Role of compressive tectonics on gas charging into the Ordovician sandstone reservoirs in the Sbaa, Algeria : constrained by fluid inclusions and mineralogical data I. Wazir,M. Pagel,F. Tournier,Christophe Renac Geofluids, 2014, 14:, pp.106-126 (IF 2,379) Article dans une revue hal-00839895v1
Rhyolite petrogenesis and meteoric–hydrothermal alteration at the Maghnia volcanic massif, Northwest Algeria Christophe Renac,André Mexias,Amina Louni-Hacini,Stéphanie Brouillet,Jean-Yves Cottin Journal of Geochemical Exploration, 2014, 143, pp.1-18. ⟨10.1016/j.gexplo.2014.01.022⟩ Article dans une revue istex hal-01132398v1
Isotopic fluid changes in a Neoproterozoic porphyry-epithermal system: The Uruguay mine, southern Brazil, Christophe Renac,A.S. Mexias,M.E. Boscato Gomes,L.H. Ronchi,L.V. Stoll Nardiet al. Ore Geology Reviews, 2014, 60, pp.146-160. ⟨10.1016/j.oregeorev.2013.12.016⟩ Article dans une revue hal-00998799v1
Caracterização petrográfica e geoquímica da sequência magmática da Mina do Seival, Formação Hilário (Bacia do Camaquã – Neoproterozoico), Rio Grande do Sul, Brasil Rodrigo W. Lopes,Eduardo Fontana,André S. Mexias,Márcia E.B. Gomes,Lauro V.S. Nardiet al. Pesquisas em Geociências, 2014, 41 (1), pp.51-64. ⟨10.22456/1807-9806.78035⟩ Article dans une revue hal-02196082v1
Role of compressive tectonics on gas charging into the Ordovician sandstone reservoirs in the Sbaa Basin, Algeria: constrained by fluid inclusions and mineralogical data Marcia E.B. Gomes,Aurélie Barats,Marie Gerbe,Rodrigo Lopes,Lauro V.S. Nardiet al. Geofluids, 2014, 14 (1), pp.106-126. ⟨10.1111/gfl.12049⟩ Article dans une revue hal-02553599v1
Intracontinental Miocene: Climate and paleolake volumes in the Forez Basin, France (Part I), Christophe Renac,Geneviève Michon,Marie-Christine Gerbe,H. Gonord Sedimentary Geology, 2013, 288, pp.1-15. ⟨10.1016/j.sedgeo.2013.01.005⟩ Article dans une revue istex hal-00830352v1
Metallogenic Model of the Trepca Pb-Zn-Ag Skarn Deposit, Kosovo: Evidence from Fluid Inclusions, Rare Earth Elements, and Stable Isotope Data, S. Stramic Palinkas,L.A. Palinkas,Christophe Renac,Jorge E. Spangenberg,V. Luderset al. Economic Geology, 2013, 108 (1), pp.135-162. ⟨10.2113/econgeo.108.1.135⟩ Article dans une revue hal-01052698v1
Intracontinental Miocene: Reconstruction of hydrology and paleoclimate change in the Forez Basin, France (Part II) Christophe Renac,Anne-Marie Bodergat,Marie-Christine Gerbe,Frédérick Gal Sedimentary Geology, 2013, 288, pp.16-39. ⟨10.1016/j.sedgeo.2012.09.004⟩ Article dans une revue istex hal-00829931v1
The origin of sulfate mineralization and the nature of the BaSO4-SrSO4 solidsolution series in the Ain Allega and El Aguiba Ore Deposits, Northern Tunisia Riadh Abidi,Najet Slim-Shimi,Christian Marignac,Nouri Hatira,Dominique Gasquetet al. Ore Geology Reviews, 2012, p.165-179. ⟨10.1016/j.oregeorev.2012.03.003⟩ Article dans une revue istex halsde-00683566v1
Estudo da evolução dos processos de alteração supergênica de rocha granítica - Granito Independência - Morro do IPA M.H. Neumann,A.S. Mexias,M.L. Vignol-Lelarge,M.E.B. Gomes,A.V. Indiaet al. Pesquisas em Geociências, 2012, 39 (3), pp.213-229. ⟨10.22456/1807-9806.37376⟩ Article dans une revue hal-00912738v1
Evidence of Ediacaran glaciation in southernmost Brazil through magmatic to meteoric fluid circulation in the porphyry-epithermal Au-Cu deposits of Lavras do Sul E. Bongiolo Marques,Christophe Renac,A. Mexias Sampaio,M. E. Gomes Boscato,L. H. Ronchidet al. Precambrian Research, 2011, 189 (3-4), pp.404-419. ⟨10.1016/j.precamres.2011.05.007⟩ Article dans une revue istex hal-00634473v1
Type I eclogites from Roberts Victor kimberlites: Products of extensive mantle metasomatism Yoann Greau,Jin-Xiang Huang,William L. Griffin,Christophe Renac,Olivier Alardet al. Geochimica et Cosmochimica Acta, 2011, 75 (22), pp.6927-6954. ⟨10.1016/j.gca.2011.08.035⟩ Article dans une revue istex hal-00669867v1
Reconstruction of groundwater flows and chemical water evolution in an amagmatic hydrothermal system (La Léchère, French Alps) E. Thiébaud,M. Dzikowski,D. Gasquet,C. Renac Journal of Hydrology, 2010, 381 (3-4), pp.189-202. ⟨10.1016/j.jhydrol.2009.11.041⟩ Article dans une revue istex hal-02553810v1
Reconstruction of groundwater flows and chemical water evolution in an amagmatic hydrothermal system (La Léchère, French Alps) Emilie Thiébaud,Marc Dzikowski,Dominique Gasquet,Christophe Renac Journal of Hydrology, 2010, 381 (3-4), pp.189-202 Article dans une revue halsde-00452123v1
Identification of different groundwater flowpaths within volcanic aquifers using natural tracers for the evaluation of the influence of lava flows morphology (Argnat basin, Chaîne des Puys, France) Guillaume Bertrand,Hélène Celle-Jeanton,Frederic Huneau,Sébastien Loock,Christophe Renac Journal of Hydrology, 2010, 391, pp.223-234. ⟨10.1016/j.jhydrol.2010.07.021⟩ Article dans une revue istex hal-00530992v1
Hydrothermal fluid interaction in basaltic lava units, Kerguelen Archipelago (SW Indian Ocean) Christophe Renac,K. Kyser,Peter Bowden,Bertrand Moine,Jean-Yves Cottin European Journal of Mineralogy, 2010, 22 (2), pp.215-234. ⟨10.1127/0935-1221/2009/0022-1993⟩ Article dans une revue hal-00576128v1
Mean recharge times and chemical modelling transfers from shallow groundwater to mineralized thermal waters at Montrond-les-Bains, Eastern Massif Central, France Christophe Renac,Frédérick Gal,René-Pierre Ménot,P. Squarcioni,Ch. Perrache Journal of Hydrology, 2009, 376 (1-2), p. 1-15. ⟨10.1016/j.jhydrol.2009.07.011⟩ Article dans une revue istex hal-00516312v1
Fractionation of oxygen and iron isotopes by partial melting processes: Implications for the interpretation of stable isotope signatures in mafic rocks Helen M. Williams,Sune G. Nielsen,Christophe Renac,W.L. Griffin,S. Y. O'Reillyet al. Earth and Planetary Science Letters, 2009, 283, pp.156-166. ⟨10.1016/j.epsl.2009.04.011⟩ Article dans une revue hal-00443772v1
formation of non-expandable 7 A halloysite during Eocene-Miocene continental weathering at Djebel Debbagh, Algeria: A geochemical and stable-isotope study Christophe Renac,F. Assassi Sedimentary Geology, 2009, 217, pp.140-153. ⟨10.1016/j.sedgeo.2009.004.001⟩ Article dans une revue hal-00450772v1
Characterization of the metasomatic agent in mantle xenoliths from Devès, Massif Central (France) using coupled in situ trace-element and O, Sr and Nd isotopic compositions S. Touron,Christophe Renac,S.Y. O'Reilly,Jean-Yves Cottin,W.L. Griffin The Geological Society, London, Special Publications, 2008, 293, pp.177-196. ⟨10.1144/SP293.9⟩ Article dans une revue istex hal-00381708v1
Comparison of diagenetic fluids in the Proterozoic Thelon and Athabasca Basins, Canada: implications for protracted fluid histories in stable intracratonic basins Christophe Renac,T Kyser,K Durocher,G Dreaver,T O'Connor Canadian journal of earth sciences, 2002, 39 (1), pp.113-132. ⟨10.1139/e01-077⟩ Article dans une revue hal-02553841v1

Communication dans un congrès (5)

Low flows in a French Mediterranean and Alpine area: climatic and geological drivers Hélène Gillet,Pierre Brigode,Benoît Viguier,Christophe Renac,Lise Devreux 29 ème édition de la réunion des sciences de la Terre (RST 2025), Société Géologique de France (SGF), Oct 2025, Montpellier, France. pp.657513 Communication dans un congrès insu-05350424v1
P-T-X reconstruction for ore deposits using petroleum-rich fluid inclusions in fluorite: A case study in the Bou Jaber diapir-related Ba–Pb–Zn–F deposit, Northern Tunisia Riadh Abidi,Christian Marignac,Najet Slim-Shimi,Jacques Pironon,Dominique Gasquetet al. e-CROFI 2021, Jun 2021, on-line, France Communication dans un congrès hal-03455418v1
Coupled physical and chemical approach to improve understanding of transient flow in complex groundwater systems. The case of the &quot;Forez&quot; plain (France). Jordan Ré-Bahuaud,Didier Graillot,Djamel Mimoun,Yvan Rossier,Christophe Renac European Geosciences Union General Assembly 2012, Apr 2012, Vienne, Austria Communication dans un congrès hal-00775863v1
Bilal pyroxenite xenoliths in Cenozoïc alkali basalt from Jabel el Arabe : petrological characteristics of the Moho discontinuity beneath the Syrian rift M. Ismail,B. Cottin,B. Moine,M. Grégoire,G. Delpechet al. 22nd colloquium of African Geology & 13th conference of the Geological Society of Africa, Nov 2008, Tunis, Tunisia Communication dans un congrès hal-00412075v1
Carbonatite melt in the Indian oceanic upper mantle (Kerguelen Archipelago, TAAF) Bertrand N. Moine,G. Delpech,S.Y. O'Reilly,M. Gregoire,S.M.F. Sheppardet al. EGU, Apr 2006, Vienne, Austria. pp.07099 Communication dans un congrès hal-00411990v1

Chapitre d'ouvrage (1)

Arsenic Research and Global Sustainability; Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016; Stockholm; Sweden; 19-23 June 2016 A. Barats,A Orani,C. Renac,J Goudour,G. Durrieuet al. Behaviour and mobility of arsenic in a mexican hydrosystem impacted by past mining activities, CRC Press, pp.191-192, 2016, ⟨10.1201/9781315364131⟩ Chapitre d'ouvrage hal-02466546v1