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MarcA Millet

@marcamillet.bsky.social
323 followers 234 following 45 posts

Geologist turned lab rat.

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MarcA Millet @marcamillet.bsky.social · 24/09/2026
Shocking. In contrast, I was recently told I could not apply to an upcoming call because I will be on paternity leave during the distributed peer review. I appreciate evaluation workload is a huge challenge. But I’m not sure these are the fixes we need.
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MarcA Millet @marcamillet.bsky.social · 15/07/2026
First paper of @weareagc.bsky.social Volume 2 Issue 2! And it's a technical note on microwave digestion of geological materials using HBF4 instead of HF. Looks reasonably effective! Access it without paywall here: doi.org/10.33063/agc... And submit your research without APC to www.agcj.org
doi.org
Efficient microwave-assisted digestion of geological materials with HBF4: a reduced-hazard alternative to HF | Advances in Geochemistry and Cosmochemistry
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olivierpourret.bsky.social @olivierpourret.bsky.social · 08/07/2026
💎New preprint: The Rise of Diamond OA Journals in Earth Sciences A decade ago a few scholar-led, no-fee journals started reimagining Earth science publishing. We map the wins & the fragilities that will decide whether this scales. #OpenAccess #DiamondOA doi.org/10.31223/X56...
Layered systems sketch illustrating where governance control is retained by scholarly communities versus outsourced to external providers.
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MarcA Millet @marcamillet.bsky.social · 09/07/2026
@weareagc.bsky.social's Volume 2 issue 1 is complete! Read all 10 articles for free here: journals.uu.se/AGC/issue/vi... Thanks Jeanne Caumartin, Karim Benzerara and Christophe Tomazo for providing the cover photo!
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MarcA Millet @marcamillet.bsky.social · 22/06/2026
Nd has stable isotopes too! And they can be really informative in low-T processes. Read all about it for free here: doi.org/10.33063/agc... And submit your work to @weareagc.bsky.social here: www.agcj.org. Free to read, free to publish.
doi.org
The stable isotope fractionation of neodymium on ferrihydrite revisited | Advances in Geochemistry and Cosmochemistry
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The Geochemistry Group @geochemgroup.bsky.social · 05/02/2026
Technical staff are often overlooked and underrepresented at Scientific meetings... We hope to address this with our new Technical Staff Meeting Attendance Bursary! Please visit our website for full details and to apply: geochemistry.group/funding-oppo...
geochemistry.group
Funding opportunities
The Geochemistry Group offers a number of funding opportunities for Ph.D students, early career researchers (ECRs), and technical staff to attend meetings. We can also help support scientific meeti…
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The Geochemistry Group @geochemgroup.bsky.social · 03/02/2026
A reminder to register and submit your abstracts for the upcoming GGRiP meeting in Bristol! ggrip2026.co.uk
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Geomorphica @geomorphica.bsky.social · 13/01/2026
A reminder that the deadline to apply to join our editorial team is on Friday this week (16/01). Please get in touch with any questions and we hope to receive your application!
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Seismica @weareseismica.bsky.social · 13/01/2026
Seismica is seeking a Community Coordinator to support the Executive Editor for Community. This role will help strengthen and sustain our organization by taking on several key responsibilities. Estimated time commitment is ~5 hrs/month. For more details please email info@seismica.org by January 26.
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 27/12/2025
As we approach the end of 2025, we would like to invite you to read the first AGC volume, with the very first papers published by AGC here: journals.uu.se/AGC/issue/vi... We count on you to support our initiative. Publish with AGC, publish #doa 💎
journals.uu.se
Vol. 1 No. 2 (2025) | Advances in Geochemistry and Cosmochemistry
Twitter/X: @WeAreAGCjournal
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 19/12/2025
📯 Paper alert Hallis et al. just published "The D/H ratio of the Martian Mantle: Evidence from the Lafayette Meteorite". With this, we close our Vol1. Issue 2 🎉 Congrats to all the featured authors for their work. Thank you for supporting 💠🔓access AGC journal. ⬇️ What is this about?!
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Jessica Tierney @leafwax.bsky.social · 15/10/2025
I am currently seeking a Lab Manager for our Organic Geochemistry Lab at the University of Arizona! Full time position with benefits. If you have a chemistry/biology/geology degree and like fixing things and working with students, this position could be for you! arizona.csod.com/ux/ats/caree...
arizona.csod.com
Laboratory Coordinator I - Geosciences
Maintenance and repair of the Organic Geochemistry Laboratory equipment, including but not limited to gas chromatographs, liquid chromatographs & ...
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 13/10/2025
✨ Monthly Recap from AGC ✨ 📄 2 new publications in cosmochemistry — bringing us to 5 since the launch! 📨 Our ISSN is now permanent, a big milestone for the journal’s recognition. 🎨 The call for designs is still open — share your creative ideas (link in comment) Let’s keep growing together! 🌍✨
journals.uu.se
Advances in Geochemistry and Cosmochemistry
Advances in Geochemistry and Cosmochemistry is a community-led diamond open access journal that aims to publish innovative and globally relevant articles in Geochemistry and Cosmochemistry.
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Romain Tartese @romiche29.bsky.social · 09/10/2025
Delighted to see this paper out in @weareagc.bsky.social! We finally have a great journal where we can publish cosmochemistry papers that are free to read, and free to publish. No need to provide free labour to Elsevier, Wiley and co. so that they can make billions of $$$ and feed ChatGPT..
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 09/10/2025
New paper alert! Tartèse et al. just published their new work in AGC: "Petrogenesis of Néma 001, an alkali-rich meteorite from the acapulcoite-lodranite parent body" Full free article available here: doi.org/10.33063/agc... The cosmochemistry is well represented this week, thanks for your trust!
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 08/10/2025
New paper alert! Oliveira et al. just published in AGC: "A petrological, geochemical, and geochronological study of Ramlat Fasad 532: An Omani addition to the Antarctic `YAMM' lunar meteorite group" Here you can read the full free article: doi.org/10.33063/agc...
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MarcA Millet @marcamillet.bsky.social · 07/10/2025
New @weareagc.bsky.social publication! This time, Oliveira et al. present a study of a new lunar meteorite and investigate its parentage and transit to Earth. More here: doi.org/10.33063/agc...
doi.org
A petrological, geochemical, and geochronological study of Ramlat Fasad 532: An Omani addition to the Antarctic ‘YAMM’ lunar meteorite group | Advances in Geochemistry and Cosmochemistry
Anders, E., & Grevesse, N. (1989). Abundances of the elements: Meteoritic and solar. Geochimica et Cosmochimica Acta, 53(1), 197–214. https://doi.org/10.1016/0016-7037(89)90286-x
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Bella Duncan @antarcticabella.bsky.social · 16/09/2025
Geologists of bluesky, great opportunity at Otago Uni, NZ for a Lecturer in Earth Science! Special shout out to my #biomarker colleagues, the dept has a well set up, near new Org Geochem lab without a PI, with GCMS/FID and HPLC, if anyone wants a change of scene! ⚒🧪🥼🌊 otago.taleo.net/careersectio...
otago.taleo.net
Lecturer/Pūkenga - Geology
Click the link provided to see the complete job description.
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MarcA Millet @marcamillet.bsky.social · 12/08/2025
Support the diamond open access journals in geoscience! Several really good options covering a broad range of fields. The new journal @weareagc.bsky.social and the @eageo.bsky.social’s geochemical perspective letters and cover all things geochemistry.
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MarcA Millet @marcamillet.bsky.social · 29/07/2025
New paper in @weareagc.bsky.social! This time looking at trace element partitioning in Fe-rich basaltic system and application to lunar basalts. Read more for free here: doi.org/10.33063/agc...
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MarcA Millet @marcamillet.bsky.social · 29/07/2025
Thanks for the endorsement!
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Geomorphica @geomorphica.bsky.social · 25/07/2025
We are currently seeking volunteers for our communications, tech and EDI teams! If you are interested, or would like to know more, DM us or email admin@geomorphica.org
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 21/07/2025
New published article entitled: "Hopanoid distributions differ in mineral soils and peat: a re-evaluation of hopane-based pH proxies" from Inglis et al. You will find the full article here: doi.org/10.33063/agc...
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MarcA Millet @marcamillet.bsky.social · 23/07/2025
Feeling creative? Want to help @weareagc.bsky.social raise funds to promote the journal activities? We're looking for design ideas to put on t-shirts, coffee cups or any other merchandises. Follow the link to form below 👇👇
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MarcA Millet @marcamillet.bsky.social · 18/07/2025
New paper up in @weareagc.bsky.social! Thanks to @climategordon.bsky.social et al looking at hopanoid distributions soils and peat. Read more: doi.org/10.33063/agc... Advances in Geochemistry and Cosmochemistry is a community run Diamond Open Access journal. Submit your paper here: www.agcj.org
doi.org
Hopanoid distributions differ in mineral soils and peat: a re-evaluation of hopane-based pH proxies | Advances in Geochemistry and Cosmochemistry
Angst, G., Mueller, K. E., Nierop, K. G. J., & Simpson, M. J. (2021). Plant- or microbial-derived? A review on the molecular composition of stabilized soil organic matter. Soil Biology and Biochemistry, 156, 108189. https://doi.org/10.1016/j.soilbio.2021.108189
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Jessica Tierney @leafwax.bsky.social · 17/07/2025
✨Paper #2 has just been published @weareagc.bsky.social ✨ And it is about hopanoids!! Thank you @climategordon.bsky.social for trusting a brand new journal with your research. AGC is 💎 open access: free to publish and free to read 🙌 Geochemists, come publish with us! journals.uu.se/AGC/article/...
journals.uu.se
Hopanoid distributions differ in mineral soils and peat: a re-evaluation of hopane-based pH proxies | Advances in Geochemistry and Cosmochemistry
Advances in Geochemistry and Cosmochemistry, ISSN 2977-1994 | CC BY 4.0
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 09/07/2025
AGC is very proud to announce the first published article! Congratulations to the authors who believed in AGC in order to publish their study: doi.org/10.33063/agc... This is only the beginning. Many other researchers already submitted their work to AGC and we hope you will be the next ones!
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MarcA Millet @marcamillet.bsky.social · 08/07/2025
A new milestone for @weareagc.bsky.social. Our first ever research article is now published!! doi.org/10.33063/agc... Free to read, free to publish. And more coming next week! Thanks to the @eageo.bsky.social and @geochemsoc.bsky.social for their support along the way!
doi.org
Can natural H2 be considered renewable? The reference case of a deep aquifer in an intracratonic sedimentary basin | Advances in Geochemistry and Cosmochemistry
Abrajano T, Sturchio N, Bohlke J, Lyon G, Poreda R, Stevens C (1988). Methane-hydrogen gas seeps, Zambales Ophiolite, Philippines: Deep or shallow origin? Chemical Geology 71(1): 211–222. https://doi.org/10.1016/0009-2541(88)90116-7.
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Bernhard Steinberger @bstein.bsky.social · 26/06/2025
Mark the date: On July 15, it will be possible to submit articles to geodynamica.univ-lyon1.fr - it will be completely free for both authors and readers! I'm glad to be on the editorial team. Don't let some money-grubbing publishing company get between you and your research results; publish with us!
geodynamica.univ-lyon1.fr
About Geodynamica - Geodynamica
Geodynamica is a Diamond Open Access Journal covering all aspects of Earth’s and (exo-)Planets internal structure, dynamics and evolution
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Geomorphica @geomorphica.bsky.social · 06/06/2025
#Factfriday Guild of Diamonds Check out our sister journals Volcanica, @weareseismica.bsky.social , @wearetektonika.bsky.social , Geodynamica, @sedimentologika.bsky.social , and @weareagc.bsky.social . We are thankful for their support and happy to pass on knowledge to the upcoming journals.
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The Geochemistry Group @geochemgroup.bsky.social · 29/05/2025
GGRiP 2026 – SAVE THE DATE! We are excited to announce that the next Geochemistry Group Research in Progress (GGRiP) meeting will take place in Bristol on the 24th-26th March 2026. Watch this space (and website) for more information soon!
media.tenor.com
an aerial view of a bridge over a river with a city in the background
ALT: an aerial view of a bridge over a river with a city in the background
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MarcA Millet @marcamillet.bsky.social · 30/04/2025
Open Access is also about making sure data is FAIR. More details on our editorial policy and author guide pages Author guide: journals.uu.se/AGC/authorgu... Editorial Policy: journals.uu.se/AGC/editoria...
journals.uu.se
Author Guidelines | Advances in Geochemistry and Cosmochemistry
A pdf version of the author guidelines is available by clicking this link.
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 23/04/2025
Our first Editorial is online 🔓 "The journal’s commitment to Open Science as well as diversity in authorship and editorial representation aims to address systemic inequities in research publishing." Read the full version here: journals.uu.se/AGC/article/... #doapublishing
journals.uu.se
Equitable Access, Open Science, and the Future of Publishing in Geochemistry and Cosmochemistry | Advances in Geochemistry and Cosmochemistry
Crawford, W. (2024). Diamond OA: The World of No-Fee Open Access Journals (p. 265). Livermore, CA: Cites & Insights Books.
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MarcA Millet @marcamillet.bsky.social · 23/04/2025
And with its first editorial, @weareagc.bsky.social is now an actively publishing journal! Thanks to all the support from the geochem and cosmochem community over the last couple of years. It's been quite an experience! Free to publish, free to read. Submit your manuscripts here: www.agcj.org
dx.doi.org
Equitable Access, Open Science, and the Future of Publishing in Geochemistry and Cosmochemistry | Advances in Geochemistry and Cosmochemistry
Crawford, W. (2024). Diamond OA: The World of No-Fee Open Access Journals (p. 265). Livermore, CA: Cites & Insights Books.
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 04/04/2025
It is very easy to publish in AGC. Watch this video and follow the submission preparation checklist at journals.uu.se/AGC/about/su... 🤫 looking forward to the first published manuscripts!
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 24/03/2025
Want to stay anonymous for the peer-review of your submitted manuscript? AGC is prepared to run double-anonymous reviews. Know more here: journals.uu.se/AGC/authorgu... #doaj #publishdiamond
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Gavin Foster @thefosterlab.bsky.social · 07/03/2025
These are great meetings!! Hope to see you there!
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George Cooper @cooper-geo.bsky.social · 05/03/2025
New Paper! Great to see our work on crystal scale Nd isotopes at Hess Deep published. We show that: -Hess deep crust is more heterogeneous than MORB - Extent that melts aggregate in the mantle versus the crust is controlled by spreading rate.
pubs.geoscienceworld.org
Crustal versus mantle-level aggregation of heterogeneous melts at mid-ocean ridges | Geology | GeoScienceWorld
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MarcA Millet @marcamillet.bsky.social · 03/03/2025
Upping my sticker game courtesy of the @weareagc.bsky.social media & branding team
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The Geochemistry Group @geochemgroup.bsky.social · 03/03/2025
One week to go! A reminder that the deadline for early bird registration and abstract submission for GGRiP 2025 is the 10th March. The meeting is being held in Birmingham on the 8th-10th April. Please visit the conference website to register now! ggrip2025.co.uk
ggrip2025.co.uk
GGRiP 2025
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MarcA Millet @marcamillet.bsky.social · 24/02/2025
Publishing with @weareagc.bsky.social is easy and without fee.
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MarcA Millet @marcamillet.bsky.social · 19/02/2025
Publishing with @weareagc.bsky.social is easy! 👇👇
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MarcA Millet @marcamillet.bsky.social · 17/02/2025
Advances in Geochemistry and Cosmochemistry is open. In more ways than one. Spread the word.
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 11/02/2025
This week we bring you Maria Dias, she is the AGC design creator and part of the AGC Media & Branding team🫶 Read her views regarding Diamond Open Access and why you should publish your work with us buff.ly/4jFjk2v
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The Geochemistry Group @geochemgroup.bsky.social · 10/02/2025
Registration and abstract submission for GGRiP 2025 (Birmingham, 8th-10th April) meeting are now open! Please visit the conference website for more information: ggrip2025.co.uk
media.tenor.com
kermit the frog from sesame street is dancing and saying yay !!!
ALT: kermit the frog from sesame street is dancing and saying yay !!!
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EAG @eageo.bsky.social · 05/02/2025
#OpenAccess check out this new geochemistry journal ⬇️ and also at #GPLetters www.geochemicalperspectivesletters.org
geochemicalperspectivesletters.org
Geochemical Perspectives Letters | A journal of the European Association of Geochemistry
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Romain Tartese @romiche29.bsky.social · 05/02/2025
Choose Geochemical Perspectives Letters and @weareagc.bsky.social to publish your geo- and cosmochemical research.
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 05/02/2025
Still feeling confused about the different publishing models? What is the difference between Green, Gold and Diamond Access publishing? Find the answers here: buff.ly/4hoDbRZ Diamond is the answer you are seeking. Find out where here: doaj.org
buff.ly
Research Guides: Open Access Publishing: Gold vs. Green
This guide provides guidance in open access scholarly publishing for researchers in all disciplines.
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Advances in Geochemistry and Cosmochemistry @weareagc.bsky.social · 30/01/2025
Handling editor Raúl Fonseca spoke about the public's mistrust of science and how DOA can change that. "It is therefore extremely important to ensure that science is open to all in order to build and maintain trust." Full interview: buff.ly/4jFjk2v Submit your work to AGC.
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Camille Thomas @camthomas.bsky.social · 28/01/2025
Go support your Free-for-all community-based scientific journals ! www.sedimentologika.org
sedimentologika.org
Sedimentologika
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