Valentin Zuchuat
@stratival.bsky.social
Sedimentologists focusing on shallow-marine to continental transition zones and hyperthermal events, co-founder of @sedimentologika; ski-bum, food and wine enthousiast, special kink for the Permian-Triassic transition. He/him
🎉New paper with Brian Beaty: After the end-Permian ME, burrowers didn’t just return, they rewired seafloor chemistry.
Shallow particle mixing revived C & S cycling (<200 kyr); full P recycling waited on deeper burrowers (>1 Myr). Congratulations Brian!
paper: onlinelibrary.wiley.com/doi/10.1111/...
Shallow particle mixing revived C & S cycling (<200 kyr); full P recycling waited on deeper burrowers (>1 Myr). Congratulations Brian!
paper: onlinelibrary.wiley.com/doi/10.1111/...
Bioturbation Shapes Marine Biogeochemical Cycling Following the End‐Permian Mass Extinction in Northern Pangea
During the end-Permian mass extinction, a global decline in seafloor sediment mixing and burrowing (bioturbation) provides critical evidence for the collapse of marine ecosystems, likely triggered by...
onlinelibrary.wiley.com
September 22, 2025 at 8:09 AM
🎉New paper with Brian Beaty: After the end-Permian ME, burrowers didn’t just return, they rewired seafloor chemistry.
Shallow particle mixing revived C & S cycling (<200 kyr); full P recycling waited on deeper burrowers (>1 Myr). Congratulations Brian!
paper: onlinelibrary.wiley.com/doi/10.1111/...
Shallow particle mixing revived C & S cycling (<200 kyr); full P recycling waited on deeper burrowers (>1 Myr). Congratulations Brian!
paper: onlinelibrary.wiley.com/doi/10.1111/...
When you see the dramatic impact that a 1° change in the dip of the strata has on fluid flow in porous media, we field geologists might need to rethink our "+-5° is totally fine" when measuring strata dip angle.
Thanks Thomas Poulet for the collaboration!
doi.org/10.1130/G538...
Thanks Thomas Poulet for the collaboration!
doi.org/10.1130/G538...
Small dip, big impact: How 1° strata inclination affects density-driven flow in anisotropic rocks | Geology | GeoScienceWorld
doi.org
September 20, 2025 at 1:04 PM
When you see the dramatic impact that a 1° change in the dip of the strata has on fluid flow in porous media, we field geologists might need to rethink our "+-5° is totally fine" when measuring strata dip angle.
Thanks Thomas Poulet for the collaboration!
doi.org/10.1130/G538...
Thanks Thomas Poulet for the collaboration!
doi.org/10.1130/G538...
Reposted by Valentin Zuchuat
🚨 New Paper 🚨
MacDonald et al. investigate passive CO2 mineralisation in anthropogenic carbonate deposits through isotopic geochemical analysis of different samples collected across Scotland and Northern England.
Read the full publication here: oap.unige.ch/journals/sdk...
MacDonald et al. investigate passive CO2 mineralisation in anthropogenic carbonate deposits through isotopic geochemical analysis of different samples collected across Scotland and Northern England.
Read the full publication here: oap.unige.ch/journals/sdk...
September 16, 2025 at 8:24 AM
🚨 New Paper 🚨
MacDonald et al. investigate passive CO2 mineralisation in anthropogenic carbonate deposits through isotopic geochemical analysis of different samples collected across Scotland and Northern England.
Read the full publication here: oap.unige.ch/journals/sdk...
MacDonald et al. investigate passive CO2 mineralisation in anthropogenic carbonate deposits through isotopic geochemical analysis of different samples collected across Scotland and Northern England.
Read the full publication here: oap.unige.ch/journals/sdk...
#AEGC2025 Perth
Tomorrow we’re tackling self-organisation & allogenic artifacts in sedimentary basins — how to tell real vs apparent cycles, and what that means for basin reconstruction. I have gifs and memes, hope it helps 😇
⏰ Tues. 11:20
📍 Sed & Strat session, riverside theatre.
Tomorrow we’re tackling self-organisation & allogenic artifacts in sedimentary basins — how to tell real vs apparent cycles, and what that means for basin reconstruction. I have gifs and memes, hope it helps 😇
⏰ Tues. 11:20
📍 Sed & Strat session, riverside theatre.
September 8, 2025 at 3:37 AM
#AEGC2025 Perth
Tomorrow we’re tackling self-organisation & allogenic artifacts in sedimentary basins — how to tell real vs apparent cycles, and what that means for basin reconstruction. I have gifs and memes, hope it helps 😇
⏰ Tues. 11:20
📍 Sed & Strat session, riverside theatre.
Tomorrow we’re tackling self-organisation & allogenic artifacts in sedimentary basins — how to tell real vs apparent cycles, and what that means for basin reconstruction. I have gifs and memes, hope it helps 😇
⏰ Tues. 11:20
📍 Sed & Strat session, riverside theatre.
So we can only hope of major volcanic eruptions to stay below+1.5 °C of global warming in the next five years? How do we react to that?
June 23, 2025 at 1:03 PM
So we can only hope of major volcanic eruptions to stay below+1.5 °C of global warming in the next five years? How do we react to that?
Reposted by Valentin Zuchuat
📣 Meet our new Associate Editors!
Emilia Le Pera - University of Calabria, Italy
Siliciclastic petrography & provenance analysis
@arnaudgallois.bsky.social - Kocaeli University, Turkey
Carbonate sedimentology & diagenesis, Microbial carbonates, Non-marine carbonates
Emilia Le Pera - University of Calabria, Italy
Siliciclastic petrography & provenance analysis
@arnaudgallois.bsky.social - Kocaeli University, Turkey
Carbonate sedimentology & diagenesis, Microbial carbonates, Non-marine carbonates
May 26, 2025 at 8:32 AM
📣 Meet our new Associate Editors!
Emilia Le Pera - University of Calabria, Italy
Siliciclastic petrography & provenance analysis
@arnaudgallois.bsky.social - Kocaeli University, Turkey
Carbonate sedimentology & diagenesis, Microbial carbonates, Non-marine carbonates
Emilia Le Pera - University of Calabria, Italy
Siliciclastic petrography & provenance analysis
@arnaudgallois.bsky.social - Kocaeli University, Turkey
Carbonate sedimentology & diagenesis, Microbial carbonates, Non-marine carbonates
Reposted by Valentin Zuchuat
📣 Meet our new Associate Editors!
Sanem Acikalin - Newcastle University, UK
Sandstone diagenesis, organic matter transport, paleoclimate, provenance.
Francisco Tognoli - Federal University of Rio de Janeiro, Brazil
Digital outcrop models, Machine learning models, Python for Geology, Data analysis
Sanem Acikalin - Newcastle University, UK
Sandstone diagenesis, organic matter transport, paleoclimate, provenance.
Francisco Tognoli - Federal University of Rio de Janeiro, Brazil
Digital outcrop models, Machine learning models, Python for Geology, Data analysis
May 22, 2025 at 8:34 AM
📣 Meet our new Associate Editors!
Sanem Acikalin - Newcastle University, UK
Sandstone diagenesis, organic matter transport, paleoclimate, provenance.
Francisco Tognoli - Federal University of Rio de Janeiro, Brazil
Digital outcrop models, Machine learning models, Python for Geology, Data analysis
Sanem Acikalin - Newcastle University, UK
Sandstone diagenesis, organic matter transport, paleoclimate, provenance.
Francisco Tognoli - Federal University of Rio de Janeiro, Brazil
Digital outcrop models, Machine learning models, Python for Geology, Data analysis
Reposted by Valentin Zuchuat
📣 Meet our new Associate Editors!
Nan Wu - Tongji University, China
Submarine landslides, Mass-transport complexes, Turbidity currents, Submarine canyons, Sedimentary process
Thomas Blaise - University Paris-Saclay, France
Mineralogy, Calcite U-Pb geochronology, 3D Geological modelling
Nan Wu - Tongji University, China
Submarine landslides, Mass-transport complexes, Turbidity currents, Submarine canyons, Sedimentary process
Thomas Blaise - University Paris-Saclay, France
Mineralogy, Calcite U-Pb geochronology, 3D Geological modelling
May 15, 2025 at 3:47 PM
📣 Meet our new Associate Editors!
Nan Wu - Tongji University, China
Submarine landslides, Mass-transport complexes, Turbidity currents, Submarine canyons, Sedimentary process
Thomas Blaise - University Paris-Saclay, France
Mineralogy, Calcite U-Pb geochronology, 3D Geological modelling
Nan Wu - Tongji University, China
Submarine landslides, Mass-transport complexes, Turbidity currents, Submarine canyons, Sedimentary process
Thomas Blaise - University Paris-Saclay, France
Mineralogy, Calcite U-Pb geochronology, 3D Geological modelling
Reposted by Valentin Zuchuat
📣 Meet our new Associate Editors!
Cecilia Lopez-Gamundi - JPL.
Carbonates, forward modelling, remote sensing, sediment transport, coastal processes.
Arnoud Slootman - Colorado School of Mines.
Bedforms, sediment transport, carbonate slopes, turbidites, carbonate sediment.
Cecilia Lopez-Gamundi - JPL.
Carbonates, forward modelling, remote sensing, sediment transport, coastal processes.
Arnoud Slootman - Colorado School of Mines.
Bedforms, sediment transport, carbonate slopes, turbidites, carbonate sediment.
May 12, 2025 at 7:22 AM
📣 Meet our new Associate Editors!
Cecilia Lopez-Gamundi - JPL.
Carbonates, forward modelling, remote sensing, sediment transport, coastal processes.
Arnoud Slootman - Colorado School of Mines.
Bedforms, sediment transport, carbonate slopes, turbidites, carbonate sediment.
Cecilia Lopez-Gamundi - JPL.
Carbonates, forward modelling, remote sensing, sediment transport, coastal processes.
Arnoud Slootman - Colorado School of Mines.
Bedforms, sediment transport, carbonate slopes, turbidites, carbonate sediment.
Coming to the ISC 2026 in New Zealand? We have two sessions for you:
1. Coastal to shelf environments across time and space
2. Open Science in Sedimentology: missteps, success stories, standards, and solutions
Detail here confer.co.nz/isc2026/sess.... Abstract submission deadline 16.05.2025.
1. Coastal to shelf environments across time and space
2. Open Science in Sedimentology: missteps, success stories, standards, and solutions
Detail here confer.co.nz/isc2026/sess.... Abstract submission deadline 16.05.2025.
April 2, 2025 at 8:53 AM
Coming to the ISC 2026 in New Zealand? We have two sessions for you:
1. Coastal to shelf environments across time and space
2. Open Science in Sedimentology: missteps, success stories, standards, and solutions
Detail here confer.co.nz/isc2026/sess.... Abstract submission deadline 16.05.2025.
1. Coastal to shelf environments across time and space
2. Open Science in Sedimentology: missteps, success stories, standards, and solutions
Detail here confer.co.nz/isc2026/sess.... Abstract submission deadline 16.05.2025.
Reposted by Valentin Zuchuat
It was great to see today all the courageous and inspiring people (several awesome students among them) who are ready to fight for science, for democracy, for equality #standupforscience #Austin
March 8, 2025 at 1:39 AM
It was great to see today all the courageous and inspiring people (several awesome students among them) who are ready to fight for science, for democracy, for equality #standupforscience #Austin
@sedimentologika.bsky.social is looking for three new volunteer associate editors as well as a few more helpers for its production team! Go to sedimentologika.org for more info, come and help change our publishing landscape towards a true Free Open Access future!
January 28, 2025 at 12:31 PM
@sedimentologika.bsky.social is looking for three new volunteer associate editors as well as a few more helpers for its production team! Go to sedimentologika.org for more info, come and help change our publishing landscape towards a true Free Open Access future!
Reposted by Valentin Zuchuat
Not sure if there is a list out there formally for Earth Sciences, but here are some I know of: Volcanica, Seismica, Sedimentologika, Geodynamica, The Sedimentary Record, Tektonika, Geomorphica, Advances in Geochemistry and Cosmochemistry. You can also try searching the DOAJ website! doaj.org
Directory of Open Access Journals – DOAJ
DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone...
doaj.org
January 10, 2025 at 4:05 AM
Not sure if there is a list out there formally for Earth Sciences, but here are some I know of: Volcanica, Seismica, Sedimentologika, Geodynamica, The Sedimentary Record, Tektonika, Geomorphica, Advances in Geochemistry and Cosmochemistry. You can also try searching the DOAJ website! doaj.org
Reposted by Valentin Zuchuat
We are advertising volunteering positions for three Associate Editors specialised in 1) Carbonate sedimentology & stratigraphy; 2) Slope to basin-floor processes; 3) Sediment outcrop imaging.
Check out the full position details on our website: oap.unige.ch/journals/sdk...
Check out the full position details on our website: oap.unige.ch/journals/sdk...
January 22, 2025 at 10:01 AM
We are advertising volunteering positions for three Associate Editors specialised in 1) Carbonate sedimentology & stratigraphy; 2) Slope to basin-floor processes; 3) Sediment outcrop imaging.
Check out the full position details on our website: oap.unige.ch/journals/sdk...
Check out the full position details on our website: oap.unige.ch/journals/sdk...
Reposted by Valentin Zuchuat
🚨 New Paper 🚨
Okwara et al. discuss the downstream grain-size evolution and spatial facies partitioning of the Middle Jurassic wave-influenced Brent Group deltaic succession through subsurface data analysis.
Read the full publication here: oap.unige.ch/journals/sdk...
Okwara et al. discuss the downstream grain-size evolution and spatial facies partitioning of the Middle Jurassic wave-influenced Brent Group deltaic succession through subsurface data analysis.
Read the full publication here: oap.unige.ch/journals/sdk...
January 22, 2025 at 9:56 AM
🚨 New Paper 🚨
Okwara et al. discuss the downstream grain-size evolution and spatial facies partitioning of the Middle Jurassic wave-influenced Brent Group deltaic succession through subsurface data analysis.
Read the full publication here: oap.unige.ch/journals/sdk...
Okwara et al. discuss the downstream grain-size evolution and spatial facies partitioning of the Middle Jurassic wave-influenced Brent Group deltaic succession through subsurface data analysis.
Read the full publication here: oap.unige.ch/journals/sdk...
Reposted by Valentin Zuchuat
🌟 Exciting Volunteer Opportunity! 🌟
Curious about joining our Production Team? Check out the full position details on our website: bit.ly/SedkVProdTeam
If you're interested, send your application to: contact@sedimentologika.org
We’d love to hear from you! ✉️
Curious about joining our Production Team? Check out the full position details on our website: bit.ly/SedkVProdTeam
If you're interested, send your application to: contact@sedimentologika.org
We’d love to hear from you! ✉️
January 9, 2025 at 5:09 AM
🌟 Exciting Volunteer Opportunity! 🌟
Curious about joining our Production Team? Check out the full position details on our website: bit.ly/SedkVProdTeam
If you're interested, send your application to: contact@sedimentologika.org
We’d love to hear from you! ✉️
Curious about joining our Production Team? Check out the full position details on our website: bit.ly/SedkVProdTeam
If you're interested, send your application to: contact@sedimentologika.org
We’d love to hear from you! ✉️
I might live under a rock. But #NotebookLM is f***ing incredible! Here is a little podcast on our #DOA paper on the coastal dynamics of the Gulf of Carpentaria we wrote with @satellitesci.bsky.social, Miquel Poyatos, Björn Nyberg, Rachel Nanson, Stephen Sagar, Leo Lymburner!
tinyurl.com/3j9fb9sh
tinyurl.com/3j9fb9sh
January 15, 2025 at 3:38 PM
I might live under a rock. But #NotebookLM is f***ing incredible! Here is a little podcast on our #DOA paper on the coastal dynamics of the Gulf of Carpentaria we wrote with @satellitesci.bsky.social, Miquel Poyatos, Björn Nyberg, Rachel Nanson, Stephen Sagar, Leo Lymburner!
tinyurl.com/3j9fb9sh
tinyurl.com/3j9fb9sh
If you're like my office mate today and you need a break, check out our #preprint in Climate of the Past on the Phanerozoic climate record of #Svalbard. This manuscript is a beast that Aleks Smyrak-Sikora (NTNU, lead author) managed brilliantly! Well done! egusphere.copernicus.org/preprints/20...
January 15, 2025 at 2:56 AM
If you're like my office mate today and you need a break, check out our #preprint in Climate of the Past on the Phanerozoic climate record of #Svalbard. This manuscript is a beast that Aleks Smyrak-Sikora (NTNU, lead author) managed brilliantly! Well done! egusphere.copernicus.org/preprints/20...
Come and join our @sedimentologika.bsky.social team!🏜️🏞️🏝️
🌟 Exciting Volunteer Opportunity! 🌟
Curious about joining our Production Team? Check out the full position details on our website: bit.ly/SedkVProdTeam
If you're interested, send your application to: contact@sedimentologika.org
We’d love to hear from you! ✉️
Curious about joining our Production Team? Check out the full position details on our website: bit.ly/SedkVProdTeam
If you're interested, send your application to: contact@sedimentologika.org
We’d love to hear from you! ✉️
January 9, 2025 at 5:20 AM
Come and join our @sedimentologika.bsky.social team!🏜️🏞️🏝️
1/2 Hei folks, I was wondering if anyone knew a nice platform to upload lectures-slide decks. I have all my RWTH-time courses (intro-mineral BSc, sedimentology BSc in German and English, and basin dynamics MSc in English), and they might as well be useful to some people..
January 8, 2025 at 12:02 PM
1/2 Hei folks, I was wondering if anyone knew a nice platform to upload lectures-slide decks. I have all my RWTH-time courses (intro-mineral BSc, sedimentology BSc in German and English, and basin dynamics MSc in English), and they might as well be useful to some people..
Hei #GeoSky, quick wording-question: Would you rather write
1. The Lower Triassic climate was..
or
2. The Early Triassic climate was..?
Using the word stratum instead of climate, then I'd go option 1; with climate, I'm a little hesitating, though.
P.s. "During the Early Triassic" isn't an option
1. The Lower Triassic climate was..
or
2. The Early Triassic climate was..?
Using the word stratum instead of climate, then I'd go option 1; with climate, I'm a little hesitating, though.
P.s. "During the Early Triassic" isn't an option
January 6, 2025 at 5:41 AM
Hei #GeoSky, quick wording-question: Would you rather write
1. The Lower Triassic climate was..
or
2. The Early Triassic climate was..?
Using the word stratum instead of climate, then I'd go option 1; with climate, I'm a little hesitating, though.
P.s. "During the Early Triassic" isn't an option
1. The Lower Triassic climate was..
or
2. The Early Triassic climate was..?
Using the word stratum instead of climate, then I'd go option 1; with climate, I'm a little hesitating, though.
P.s. "During the Early Triassic" isn't an option
Reposted by Valentin Zuchuat
The SedK team extends its best wishes for the New Year 2025 to the entire Sedimentology community! 🎆
💎Thank you to all our contributors, readers and supporters!
💎Thank you to all our contributors, readers and supporters!
January 5, 2025 at 4:31 PM
The SedK team extends its best wishes for the New Year 2025 to the entire Sedimentology community! 🎆
💎Thank you to all our contributors, readers and supporters!
💎Thank you to all our contributors, readers and supporters!
Reposted by Valentin Zuchuat
Resurrection of a diatom after 7000 years from anoxic Baltic Sea sediment academic.oup.com/ismej/advanc... #jcampubs
January 3, 2025 at 4:03 PM
Resurrection of a diatom after 7000 years from anoxic Baltic Sea sediment academic.oup.com/ismej/advanc... #jcampubs
Reposted by Valentin Zuchuat
The people at Sedimentologika are working hard to make a sedimentology diamond open access (free to read, free to publish) journal a reality.
The least we could do is check it out. ⚒️
The least we could do is check it out. ⚒️
🌍 Sedimentologika Vol. 2 Issue 2 is now complete!
You can find out more about our latest Open Access articles here: oap.unige.ch/journals/sdk...
Thanks to all the people who contributed to this issue!
You can find out more about our latest Open Access articles here: oap.unige.ch/journals/sdk...
Thanks to all the people who contributed to this issue!
December 20, 2024 at 12:54 PM
The people at Sedimentologika are working hard to make a sedimentology diamond open access (free to read, free to publish) journal a reality.
The least we could do is check it out. ⚒️
The least we could do is check it out. ⚒️