Comptes Rendus Géoscience

Paul A. Newman

Handled by Sophie Godin-Beckmann

The way forward for Montreal Protocol science

Faouziya Haissen

Pilar Montero

Aitor Cambeses

Fernando Bea

Jose Francisco Molina

Abdellah Mouttaqi

Francisco Gonzalez-Lodeiro

Othman Sadki

Abdellatif Errami

Handled by Isabelle Manighetti

Petrogenesis of Derraman Peralkaline granite (Oulad Dlim Massif, West African Craton Margin, Morocco): New constraints from zircon Hf and O isotopic compositions

Moussa Konaté

Yacouba Ahmed

Andreas Gärtner

Diafarou Alzouma Amadou

Hassan Ibrahim Maharou

Kamayé Tourba

Mandy Hofmann

Johannes Zieger

Ulf Linnemann

Isabelle Manighetti

U–Pb detrital zircon ages of sediments from the Firgoun and Niamey areas (eastern border of West African Craton, West Niger)

CV2 - Editorial board ENG

Jean-Pierre Pommereau

Florence Goutail

Andrea Pazmino

Franck Lefèvre

Martyn P. Chipperfield

Wuhu Feng

Michel Van Roozendael

Nis Jepsen

Georg Hansen

Rigel Kivi

Kristof Bognar

Kimberley Strong

Kaley Walker

Alexandr Kuzmichev

Slava Khattatov

Vera Sitnikova

Handled by Irina Petravloskikh

Recent Arctic ozone depletion: Is there an impact of climate change?

Johannes Staehelin

Irina Petropavlovskikh

Martine De Mazière

Sophie Godin-Beekmann

Handled by Paul A. Newman

The role and performance of ground-based networks in tracking the evolution of the ozone layer

Page de Sommaire

Vincent Courtillot

Volume 350 (2018) – No. 8 – December
Cover illustration: Seismicity and fault aseismic deformation caused by fl uid injection in decametric in-situ 
experiments. Map view of the P- (left panels, a and b) and S-wave (right panel, c and d) velocity variations 
observed during testing. The blue rectangle shows the injection chamber. a and c: velocity changes for an injection 
pressure below the FOP; b and d: velocity changes for an injection pressure above the FOP, i.e. when aseismic 
failures were observed. For further details, see Louis De Barros et al., this issue, pp. 463-474 (2017 Michel Gouilloud 
Prize of the ‘Académie des sciences’).
• Foreword
Vincent Courtillot  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
• Publisher’s note / Editor’s note – Salinity of the Archaean oceans from analysis of fl uid inclusions in quartz. 
C. R. Geoscience, 350, 2018, 154-163 
Bernard Marty, Guillaume Avice, David V. Bekaert and Michael W. Broadley  . . . . . . . . . . . . . . . . . . . . . . . . . . 451
• Role of heterogeneities in jointing (fracturing) of geological media: Numerical analysis of fracture 
mechanisms
Alexandre I. Chemenda, Julien Ambre, Junchao Chen, Jinyang Fan, Jean-Pierre Petit and Deyi Jiang  . . . . . 452
• Seismicity and fault aseismic deformation caused by fl uid injection in decametric in-situ experiments
Louis De Barros, Yves Guglielmi, Diane Rivet, Frédéric Cappa and Laure Duboeuf  . . . . . . . . . . . . . . . . . . . . . . 464
• Paleo-depths reconstruction of the last 550,000 years based on the transfer function on recent and 
Quaternary benthic foraminifers of the East Corsica margin
Charlie Morelle Angue Minto’O, Ricardo Silva Jacinto, Maria-Angela Bassetti and Gwenael Jouet  . . . . . . . 476
• Gnomon’s uses during the past centuries
Denis Savoie . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487
Thematic issue
Invited contributions by 2016–2017 geoscience laureates of the French Academy 
of Sciences
Issue edited by the Editor-in-Chief


Invited contributions by 2016–2017 geoscience laureates of the French Academy of Sciences

Patrick Albéric

Marcela A.P. Pérez

Patricia Moreira-Turcq

Marc F. Benedetti

Steven Bouillon

Gwenaël Abril

Handled by François Chabaux

Variation of the isotopic composition of dissolved organic carbon during the runoff cycle in the Amazon River and the floodplains

Corentin Cobert

Jean-Marc Baele

Philippe Boulvais

Marc Poujol

Sophie Decrée

Handled by Marc Chaussidon

Volume 350 (2018) – No. 3 – March–April 
Cover illustration: A view of the Dead Sea seen from the Israeli shore. © David Shankbone. This fi le is licensed under 
the Creative Commons Attribution-Share Alike 3.0 Unported license. For further details, see Michael G. Ezersky 
and Amos Frumkin, C. R. Geoscience 349(1), 2017, pp. 1–11.
Petrology, Geochemistry
• Petrogenesis of the Mairupt microgranite: A witness of an Uppermost Silurian magmatism in the Rocroi 
Inlier, Ardenne Allochton
Corentin Cobert, Jean-Marc Baele, Philippe Boulvais, Marc Poujol and Sophie Decrée  . . . . . . . . . . . . . . . . . . 89
• Extreme source heterogeneity and complex contamination patterns along the Cameroon Volcanic Line: New 
geochemical data from the Bamoun plateau
Luc Achille Ziem à Bidias, Gilles Chazot, Amidou Moundi and Philippe Nonnotte  . . . . . . . . . . . . . . . . . . . . . . 100
Hydrology, Environment
• Stress effects on the relative permeabilities of tight sandstones
Laurent Jeannin, François Bignonnet, Franck Agostini and 
Yi Wang  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
• Mineralogical and geochemical features of alluvial sediments from 
the Lobo watershed (Southern Cameroon): Implications for rutile exploration
Jules Mbanga Nyobe, Elisé Sababa, Elie Constantin Bayiga 
and Paul-Désiré Ndjigui  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Tectonics, Tectonophysics
• Lithologic and structural mapping of the Abiete–Toko gold district 
in southern Cameroon, using Landsat 7 ETM+/SRTM
Eugène Pascal Binam Mandeng, Louise Marie Bondjè Bidjeck, Jonas Didero Takodjou Wambo, 
Agbor Taku Jr., Thierry Bineli Betsi, Antoinette Solange Ipan, Lionel Tchami Nfada and 
Lucien Bitom Dieudonné  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130


Petrogenesis of the Mairupt microgranite: A witness of an Uppermost Silurian magmatism in the Rocroi Inlier, Ardenne Allochton

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