Oral sessions

► Deciphering microbiological diversity of microbialites build-up

Delimiting biotic and abiotic determinants of microbialite formation in Mexican crater lakes
Miguel Iniesto, Guillaume Reboul, David Moreira, Paola Bertolino, Karim Benzerara, Rosaluz Tavera and Purificación López-García

Key Role of Alphaproteobacteria and Cyanobacteria in the Formation of Stromatolites of Lake Dziani Dzaha (Mayotte, Western Indian Ocean)
Emmanuelle Gérard, Siham Degoeyse, Mylène Hugoni, Hélène Agogué, Laurent Richard, François Guyot, Marie-Béatrice Joseph, Thomas Leclerc, Vincent Milesi, Gérard Sarazin, Christophe Leboulanger and Magali Ader

Hydrous Mg carbonate and silicate precipitation in the presence of three different cyanobacteria: Synechococcus sp., Chroococcus sp. and Aphanothece sp.
Céline Lamérand, Mathis Petit, Liudmila Shirokova, Pascale Bénézeth, Jean-Luc Rols and Oleg Pokrovsky

Bacterial role in deep-marine dolomite formation within the Gulf of Cadiz contourite depositional system, IODP Expedition 339
Zeinab Smillie, Jennifer Pratscher, Dorrik Stow and Francisco J. Jiménez-EspejoJoseph, Thomas Leclerc, Vincent Milesi, Gérard Sarazin, Christophe Leboulanger and Magali Ader

► Microbialitic Archaeology

The role and impact of microbialites in the depositional architecture of the Roman travertines of Jebel Oust (Tunisia)
Julien Curie and Christophe Petit

Microbialites and environmental evolution: an outstanding archive of the early Earth life

Rare earth element and Fe isotope geochemistry of Earth’s oldest stromatolitic carbonate platform, 2.94 Ga Red Lake Greenstone Belt, Western Ontario, Canada
Laureline A. Patry, Philip Fralick, Pierre Sansjofre, Martin Homann, the Earthbloom team and Stefan V. Lalonde

Biogeochemical implications of Carbon and Sulfur Isotopes in Mesoarchean Black Slate and Sulfidic Iron Formation from the Red Lake Area, Ontario
Munira Afroz, Philip Fralick, Bryan Killingsworth, Martin Homann, Pierre Sansjofre and Stefan V. Lalonde

Mesoarchean microbialitic carbonates of the 2.88 Ga Woman Lake Assemblage, Northwestern Ontario: Implications for Hydrosphere Composition in Deep Time
Brittany Ramsay, Philip Fralick, Paul Bielski, Martin Homann, Pierre Sansjofre and Stefan V. Lalonde

Quadruple sulfur isotope records of quartz-rich sandstones of the 3.22 Ga Moodies Group (Barberton Greenstone Belt, South Africa)
Masafumi Saitoh, Johanna Marin-Carbonne, Nicolas Olivier, Jean- François Moyen, Yuichiro Ueno and Christophe Thomazo

Tracking microbial signatures in stromatolites at the micrometer scale through in situ iron isotope analyses
Marie-Noëlle Decraene, Johanna Marin-Carbonne, Christophe Thomazo, Nicolas Olivier, Emmanuelle Vennin, Pascal Phillipot and Étienne Deloule

How minerals affect the molecular fossilization of biomolecules?
Julien Alleon, Jean-Christophe Viennet, Sylvain Bernard and Johanna Marin-Carbonne

Mechanistic morphogenesis of organo-sedimentary structures: keystone to proving the biogenicity of Archaean stromatolites?
Keyron Hickman-Lewis, Pascale Gautret, Laurent Arbaret, Stéphanie Sorieul, Rutger De Wit, Frédéric Foucher, Barbara Cavalazzi and Frances Westall

► Continental microbial carbonates

Microbialites underground? Fabrics, microbiology and water chemistry of moonmilk speleothems in Slovenian caves
Andrea Martín-Pérez, Adrijan Košir, Vanessa E. Johnston, Janez Mulec and Mladen Franko

CO2 degassing in lakes & springs: a major feeder for continental carbonates
Éric C. Gaucher, Aurélien Virgone, Pierre-Alexandre Teboul, Adeline Roche, Elodie Muller, Cédric Bougeault, Vincent Milesi, Magali Ader, Emmanuelle Gérard, Christophe Durlet and Emmanuelle Vennin

The continental carbonate mosaic: toward a process-oriented facies interpretation
Aurélien Virgone, Éric C. Gaucher, Christophe Kolodka, Adeline Roche, Cédric Bougeault, Elodie Muller, Emmanuelle Vennin, Christophe Durlet, Emmanuelle Gérard, Magali Ader and Emmanuelle Poli

► Geomicrobiology of microbialites: from molecules to mechanisms

Global to local biological effects on mineralizations in Laguna Pastos Grandes (Bolivia)
Elodie Muller, Emmanuelle Gérard, Magali Ader, Cédric Bougeault, Emmanuelle Vennin, Christophe Durlet, Hélène Agogué, Mylène Hugoni, Aurélien Virgone and Éric C. Gaucher

Origin and significance of microbialites in the Dead Sea Basin
Camille Thomas, Irina Bundeleva, Amotz Agnon, Adi Torfstein and Daniel Artiztegui

The role of microbial extracellular polymeric substances on formation of fibrous Mg – clays and Mg/Na sulphates
Pablo del Buey, María F. Esther Sanz-Montero, Olivier Braissant, Óscar Cabestrero and Pieter T. Visscher

Oxygen and pH gradients within silicifying microbial mats in El Tatio, Chile
Dylan Wilmeth, Kimberly Myers, Stefan V. Lalonde, Kaarel Mand, Kurt Konhauser, Prisca Grandin and Mark van Zuilen

Bioflm exopolymeric substances induce the aggregation of clay and sand in sedimentary environments
Thibaut Duteil, Raphaël Bourillot, Pieter T. Visscher, Brian Grégoire, Olivier Braissant, Benjamin Brigaud, Maxime Virolle, Julius Nouet, Éric Portier, Patricia Patrier, Hugues Fenies, Étienne Gontier and Isabelle Svahn

► Microbialites as specific indicators of the carbonate factory during the Mesozoic

Encrusted micrite flakes in freshwater microbial carbonates of the Early Jurassic fluvial deposit, India
Parthasarathi Ghosh and Suparna Goswami

Formation of microbial organic carbonates during the Middle Oxfordian (North East Amu Darya Basin, Uzbekistan): palaeoenvironmental significance and implications for Jurassic anoxic events
Mehdi Carmeille, Raphaël Bourillot, Pierre Pellenard, Victor Dupias, Johann Schnyder, Laurent Riquier, Olivier Mathieu, Marie-françoise Brunet, Raymond Enay, Vincent Grossi, Cécile Gaborieau, Philippe Razin and Pieter T. Visscher

Can internal fabrics and external morphologies be used as paleoenvironmental indicators? The late Jurassic brackish-water lacustrine thrombolite mounds of the Purbeck Limestone Group of Dorset
Arnaud Gallois and Dan Bosence