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Valentin Zuchuat @stratival.bsky.social · 17d

🎉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/...

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

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Valentin Zuchuat @stratival.bsky.social · 19d

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...

Small dip, big impact: How 1° strata inclination affects density-driven flow in anisotropic rocks | Geology | GeoScienceWorld

doi.org

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · 23d

🚨 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...

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Valentin Zuchuat @stratival.bsky.social · Sep 8

#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.

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Valentin Zuchuat @stratival.bsky.social · Jun 23

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?

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · May 26

📣 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

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · May 22

📣 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

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · May 15

📣 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

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · May 12

📣 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.

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Valentin Zuchuat @stratival.bsky.social · Apr 2

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.

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Reposted by Valentin Zuchuat

Zoltán Sylvester @zzsylvester.bsky.social · Mar 8

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

People are gathering in front of the Texas Capitol in Austin to protest the Trump administration’s attack on science

One of the signs says “I ♥️ trans mice! (And trans people too!)

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Valentin Zuchuat @stratival.bsky.social · Feb 26

...their text and fig2D say that these gravel-rich (!) inclined strata are formed by tides. Do they suggest a 30 m tidal range? And if they're gravel rich , these tides must have insanely strong! I guess modelling could work, but it would need a few PhDs to develop the equations to model Mars tides

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Valentin Zuchuat @stratival.bsky.social · Feb 26

As much as these images are amazing I am skeptical with their tidal interpetation. They cite O'Neil and Dunn 2003 as justification to the geometry they see. O&D showed structures 2-3 m below the surface, whereas Mars' structures go down 30 m below the surface...

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Valentin Zuchuat @stratival.bsky.social · Jan 28

@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

Charlotte L. Devitre @cljdevitre.bsky.social · Jan 10

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

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · Jan 22

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...

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · Jan 22

🚨 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...

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · Jan 9

🌟 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: [email protected]
We’d love to hear from you! ✉️

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Valentin Zuchuat @stratival.bsky.social · Jan 15

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

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Valentin Zuchuat @stratival.bsky.social · Jan 15

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...

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Valentin Zuchuat @stratival.bsky.social · Jan 9

Come and join our @sedimentologika.bsky.social team!🏜️🏞️🏝️

Sedimentologika @sedimentologika.bsky.social · Jan 9

🌟 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: [email protected]
We’d love to hear from you! ✉️

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Valentin Zuchuat @stratival.bsky.social · Jan 8

2/2 ..Now I've got them in my Dropbox, but I'm not super confident in sharing such a link on social media. I thought about Pangaea, but they don't take these kind of material. Cheers

Valentin Zuchuat @stratival.bsky.social · Jan 8

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..

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Valentin Zuchuat @stratival.bsky.social · Jan 6

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

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Reposted by Valentin Zuchuat

Sedimentologika @sedimentologika.bsky.social · Jan 5

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!

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