Géosciences Montpellier

🌍 Ces travaux de recherche ont été menés par les laboratoires Géoazur et @geomontp.bsky.social

@cnrs.fr @univcotedazur.bsky.social @ird-fr.bsky.social @obscoteazur.bsky.social

On y sera ! Venez nous retrouver au village des sciences sur le stand "La science au comptoir".
Avec @osuoreme.bsky.social #hydrosciencesMontpellier #cefe #Lump 😍

avec le soutient de @osuoreme.bsky.social @cnrs-insu.bsky.social @umontpellier.bsky.social @isemevol.bsky.social @villedemontpellier.bsky.social @occitanie.bsky.social @michaeldelafosse.bsky.social #SIM @cnes.fr #HydrosciencesMontpellier

Partagez ! nous sommes tous concernés.

Super soirée en perspective, organisée par
#BioGée #SociétéGéologiqueDeFrance #GéosciencesMontpellier

📣 [new paper @GeoMontp] "Amazonia in Cambrian times: reconciling discordant palaeomagnetic dataset with a geocentric axial dipole?" P.Y.J. Antonio, C. Rossignol, L. Gallo, ...

😏 only 18 days to wait before you can read the full text!

@cnrsoccitanieest @umontpellier.bsky.social

▶️ bit.ly/47KuGPw

Abrupt changes in continental sedimentation triggered by monsoon-type event during EECO hyperthermals, Minervois Basin, Southern France Recent studies on Early Eocene climate have established that global climatic warming, characterized by negative carbon isotopic excursions (CIE, hyper…

📣 [new paper @GeoMontp] "Abrupt changes in continental sedimentation triggered by monsoon-type event during EECO hyperthermals, Minervois Basin, Southern France" Cindy Boyrie, F. Girard, J. Yans, G. Ballas, F. Lihoreau, ...

@cnrsoccitanieest @umontpellier
@isemevol.bsky.social

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▶️ bit.ly/46fYHEt

Abatement of micropollutants and formation of transformation products in municipal wastewater effluent during ozonation: Complementarity of targeted and non-targeted analyses A comprehensive approach combining target analysis, non-target screening, and suspect screening was employed to assess the effectiveness of ozonation …

📣 [new paper @GeoMontp] "Abatement of micropollutants and formation of transformation products in municipal wastewater effluent during ozonation" Téo Ferreux, G. Duporté, L. Luquot, ...

@cnrsoccitanieest @umontpellier @HydroSciencesMp @igmm-montpel.bsky.social
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▶️ bit.ly/3JQw0q0

Photographie : les sciences en prennent plein la vue

Le 19 août est la Journée mondiale de la photographie, née en 2010. C’est ce jour-là, en 1839, que le daguerréotype, l’un des tout premiers procédés photographiques, fut présenté à l'Académie – et placé dans le domaine public. Retrouvez tous nos contenus pour ouvrir de grands yeux avec la science.

Full size cave 3D modelling using close range photogrammetry and comparison with laser scanning - Applied Geomatics Although underground topography methods have significantly evolved in the past two decades, it is still challenging and often costly to create comprehensive 3D models of caves or artificial cavities. ...

📣 [new paper @GeoMontp] "Full size cave 3D modelling using close range photogrammetry & comparison with laser scanning" Gael Cazes, Philippe Vernant, François Baleux, Carla Giuliani, Johan Jouves & al.

@cnrsoccitanieest @umontpellier @umr5608traces.bsky.social‬

▶️ dx.doi.org/10.1007/s125...

📣 [new paper @GeoMontp] "40Ar/39Ar dating of poly-orogenic rocks: an example from the Cap de Creus peninsula (#EasternPyrenees #Spain)" Patrick Monié, Émilien Oliot, Gaétan Milesi, Maël Allard & Agathe Faucher.

@cnrsoccitanieest @umontpellier

▶️ doi.org/10.1016/j.js...

📢 Paper alert: Abrupt changes in continental sedimentation triggered by monsoon-type event during EECO hyperthermals, Minervois Basin, Southern France doi.org/10.1016/j.se... @cnrsecologie.bsky.social @univpoitiers.bsky.social @isemevol.bsky.social @geomontp.bsky.social

Hydration State and Updip Fluid Migration in the Slab Mantle Dehydration in the subducting mantle can lead to updip fluid migration along the dehydration front within the slab mantle Updip fluid migration in the slab mantle is more likely for younger (<∼30...

📣 [new paper @GeoMontp] "Hydration State and Updip Fluid Migration in the Slab Mantle" Nestor G. Cerpa & Ikuko Wada.

@cnrsoccitanieest @umontpellier
@egu.eu @UMNEarthScience

▶️ doi.org/10.1029/2024...

📣 [new paper @GeoMontp] "Tracking the Caribbean Magmatic Evolution: The British Virgin Islands as a Transition Between the Greater and Lesser Antilles Arcs" Noémie Bosc, D. Bosch, M. Noury, O. Bruguier, L. Montheil,...

@cnrsoccitanieest @umontpellier @egu.eu

▶️ doi.org/10.1029/2024...

📣 [new paper @GeoMontp] "Strain localization via mechanical mixing and metasomatism: an example from the metagabbros of Marine de Giottani, Alpine Corsica, France" Bénédicte Cenki, É. Oliot, F. Gueydan, L. Nègre & J. A. Padrón-Navarta.

@cnrsoccitanieest @umontpellier

▶️ bit.ly/45f42MO

📣 [new paper @GeoMontp] "Xonotlite and pectolite in rodingites from the Samail ophiolite: Markers of reducing conditions and element transfer during peridotite-gabbro interaction" Alireza Eslami, B. Malvoisin, M. Fukuyama, M. Godard,...

@cnrsoccitanieest @umontpellier

▶️ doi.org/10.1016/j.li...

Don't forget! Tomorrow at 4pm CEST !

4) Sonar coverage during a dive of AUV Ulyx (gray background) covering a zone of approximately 6x3 km, with sonar swaths of about 400 m (horizontal stripes). The identified barrels shown as black dots line up along tracks followed by ships during barge dumping.

Copyright for all images: Flotte Océanographique Française - Campagne NODSSUM.

2) Barrel dumped at the seafloor at about 4700 m water depth and 3) a probable leak of unknown material - probably tar used to embed the waste in the barrels.

Copyright for all images: Flotte Océanographique Française - Campagne NODSSUM.

1) Swath of Ulyx sonar data (left) and close-up of the barrels at the seafloor, showing as bright spots (from box on the left), with the bright illuminated side by the sonar and the shadow away from the AUV.

Copyright Flotte Oceanographique Française - Nodssum cruise. Swath of Ulyx sonar data (left) and close-up of the barrels at the seafloor, showing as bright spots (from box on the left)

Copyright: Flotte Océanographique Française - Campagne NODSSUM. Barrel dumped at the seafloor at about 4700 m water depth

Copyright: Flotte Océanographique Française - Campagne NODSSUM. Barrel at the seafloor showing a probable leak of unknown material - probably tar used to embed the waste in the barrels.

Copyright: Flotte Océanographique Française - Campagne Nodssum. Sonar coverage during a dive of AUV Ulyx (gray background) covering a zone of approximately 6x3 km, with sonar swaths of about 400 m (horizontal stripes). The identified barrels shown as black dots line up along tracks followed by ships during barge dumping.

🧪⚒️ #NODSSUM cruise - On land, material & samples make their way back to home labs. And this morning we showed sonar images of barrels & photos taken by Ulyx flying at ~10 m above seafloor. Lots to do back in labs & offices. It was intense - good intense. Images: see copyright etc in thread

Map of operations - with the bathymetry (background with coloured relief and isobaths) and location of some of the dives - not up to date)

🧪⚒️ #NODSSUM cruise - Operational update - North East Atlantic zones NEA#3 and NEA#4 of radioactive dump. UlyX mapped w/sonar 110 km2 in 7 dives (1 to process ), detecting more than 1900 barrels, 9 sites cored 1 going (sediment), more than 10 rosettes (water samples), & 9 rattails w/fish traps

#RST2025Montpellier #SGF
Extension de la date limite de l'appel à résumés jusqu'au 7 septembre !
Et pensez à vous inscrire aux excursions ! Elles sont conçues pour compléter les sessions. Le jour de l'excursion, aucune session sur le même thème n'est prévue, c'est chouette.

@cnrs-insu.bsky.social

👍 Article très intéressant !
8 experts de @geomontp.bsky.social, sous la direction d'#Erwan-Le-Ber, gèrent la diagraphie de puits avec le QL40-BMR, un appareil innovant de résonance magnétique nucléaire qui mesure la porosité des formations in situ.
@CNRS-INSU @umontpellier @cnrsoccitanieest

🧪⚒️ #NODSSUM cruise - WOW - Wainting on Weather with a multibeam survey and no Ulyx dive yesterday- after 5 days of work at the radioactive waste dump site. After 5 Ulyx dives we now located >1200 barrels in sonar maps, and sediment/water/fish sampling is well on the way… more details later…

Climate of the Past 20th Anniversary: High-Resolution Paleoclimate Data <p>High-Resolution Paleoclimate Data provide detailed insights into past climate variability and extreme weather events on decadal to millennial scales. To address this topic, we have selected two gue...

🌍 Climate of the Past webinar #2 @egu.eu‬

23 July at 16:00 CEST

👉Helle Astrid Kjaer (Univ. of Copenhagen) Sea ice and abrupt change- a land ice core perspective.
👉David Naafs (Univ. of Bristol) Novel biomarker-based insights into the operation of the terrestrial methane cycle across the Cenozoic.

📣 [Conférence @GeoMontp #EDGAIA @collegedoctoral-lr.bsky.social ]

On 20/06 at 1.30pm Triolet campus and online : Derya GÜRER (Institute of Earth Sciences @uniheidelberg.bsky.social‬) will present "Tracking subduction plate boundaries from sea to summit & grain to plate scale"

More ▶️ bit.ly/3ZvEMyH

📣 [new paper @GeoMontp] "Inframillimetric slip rate and ∼8kyr long recurrence intervals for Mw ≥ 7.5 earthquakes along the southern section of the Har-Us-Nuur fault (Mongolian)" Fabien Ramel, J-F Ritz, M Ferry, O Malcles, ...

@CNRS_OccitaniE @umontpellier @CNRS_INSU

▶️En savoir plus bit.ly/3Tvkodm

@benild.bsky.social (Benoit Ildefonse) a embarqué dimanche 👍 On attend des nouvelles de la mission 🛳️ avec impatience 😉 Et d'ici là ! vous pouvez lire le communiqué de presse @cnrs.fr

At the #CNRS #DT_INSU facilities of the National Parc of Oceanographic Instrumentation (PNIO) - going over material gathered at Plouzane, for transfert to the ship. This includes CTD and Rosettes for water sampling, corers for sediments, and mooring material for current meters and fish traps. And training for the scientists by personnel from PNIO.

🧪⚒️ #NODSSUM cruise - less than 4 weeks before departure, the hidden part of sea-going fieldwork: preparation of material... and skills. Logistics, shipping, administrative forms, purchases, instrument training w/ support from #DT_INSU. All has to be onboard when sailing.

👍 Félicitations Antoine pour cette excellente démonstration de vulgarisation scientifique. Ta présentation est très claire et captivante.