Coral Walls, Uranium Clocks, and the Homes Europeans Never Wrote Down A new dating method is recovering the construction history of Polynesian households that colonial records chose to ignore.

New research applies uranium-thorium dating to 19th-century coral cottages in French Polynesia, revealing construction timelines for Polynesian homes that colonial records largely ignored. #Archaeology #PacificHistory #Geochronology @antiquity.ac.uk www.anthropology.net/p/coral-wall...

We're accepting new #NERC projects! If you would like to access the ionprobe facility, please submit your application to ionprobe@ed.ac.uk by 17th April. Forms, guidance and alternative access modes can be found on our website. #isotope #geochemistry #geochronology

PCIGR welcomes Dr. Jason Mulbauer as a postdoctoral fellow!

Jason comes to us from Boise State University with a background in process sedimentology, Cambrian fluvial systems and U-Pb geochronology, and will develop and apply #CA-TIMS methods for #zircon U-Pb #geochronology at PCIGR.

Geochronology, Thermochronology and Time Scale Research Geochronology, Thermochronology and Time Scale Research (GTTSR) publishes peer-reviewed research on geochronology, thermochronology and chronometric techniques across Earth and planetary sciences.

We are pleased to welcome Dr. Xilin Sun (Hubei University) to the Editorial Board of /Geochronology, Thermochronology and Time Scale Research/ (GTTSR).

Research interests: #thermochronology, #geochronology, #geomorphology

www.sciltp.com/journals/gttsr

#EarthScience

Grains of sand prove people – not glaciers – transported Stonehenge rocks A new study shows the monument’s most exotic stones did not arrive by chance but were instead deliberately selected and transported.

🔗: bit.ly/4pVodqi

#Geoscience #NCRIS #AuScope #Geochronology #Research #CurtinUniversity #JohndeLaeterCentre

New in #GSABulletin: Carbonate U/Th ages confirm the Mono Basin excursion as the Laschamps geomagnetic excursion

Full article: geosociety.co/Ali_el_al
#Geochronology #Paleomagnetism #QuaternaryGeology #GSAPubs
Image: Fig 1 from paper

New in Geosphere: Todd et al. use new geochemical, U-Pb geochronology, and Sr-Nd-Hf isotope data to explore the tectonic evolution of the Seventymile terrane in interior Alaska, USA.

Learn more and read the full article: geosociety.co/Todd_et_al
#Tectonics #Geochronology #Alaska

Just completed a fieldtrip for a new Marsden project on glaciation in the #Clutha. Found some spectacular boulders on the edge of a proglacial fan near #Cromwell. Dating the boulders using #CRN

#geomorphology #geochronology #geoscience #geology #geography #Aotearoa #NewZealand #cosmogenic

Last week at LPG @univ-nantes.fr we launched our ANR project called « FaSiRe » looking at faults and seismicity through time in stable continental regions. Stay tuned for open PhD positions in #geomophology #numericalmodeling and #geochronology

#Openaccess paper in #Lithos applying Multi-mineral U–Pb #geochronology to Vietnamese disseminated Ni sulfide mineralisation with implications for deposit genesis and exploration.
doi.org/10.1016/j.li...

#ecsmonday

How do you date brittle #deformation in sedimentary basins? Boschetti et al. (FR) combine U-Pb #calcite dating with #RSCM thermometry to unravel the polyphase tectonic history of the Vocontian Basin at the Alps-Pyrenees junction:

doi.org/10.5194/se-17-35-2026
#paperalert #geochronology

Earthworks-jobs.com : Postdoctoral Researcher (geochronology method development) - Espoo,, Finland - Geological Survey of Finland (GTK)

Postdoctoral Researcher (geochronology method development) - Espoo, Finland - www.earthworks-jobs.com/jobpost/gtk2... #jobs #postdoc #geology #geochemistry #AnalyticalChemistry #geochronology

Earth revolutions.

How did they know that?

4.543 ± 0.002 billion years comes from Pb–Pb dating of the oldest meteorites (CAIs), using the U-238→Pb-206 & U-235→Pb-207 decay ratio, with results verified across many samples & methods.

#Science
#Geology
#Geochronology

Why is AAR (Amino Acid Racemisation; by implication #palaeoproteomics) so often overlooked for #geochronology?

New paper by @neaarlab.bsky.social, using Bithynia snails 🐌 to date the last 1Ma: 4 new reference sets for climate & Quaternary Science 🌍

open-research-europe.ec.europa.eu/articles/5-396

Earthworks-jobs.com : Two fully funded PhD positions in Space Science / Geochemistry / Geochronology - Melbourne,, Australia - University of Melbourne

Two fully funded PhD positions in Space Science / Geochemistry / Geochronology - Melbourne, Australia - www.earthworks-jobs.com/jobpost/melb... - #jobs #research #PhD #spacescience #geoscience #geochemistry #geochronology #geology

#ecsmonday on BS #30

Ran et al. (CN) use detrital zircon #geochronology to constrain the timing and nature of the Amdo–southern Qiangtang collision in the #Tibetan Plateau. What do sediment sources and age spectra reveal about when and how these terranes came together?

doi.org/10.1029/2025TC008967

Earthworks-jobs.com : UCD Post-doctoral Research Fellow Level 2:<br> Geochronology of sediment hosted ore deposits - Dublin,, Ireland - University College Dublin

UCD Post-doctoral Research Fellow Level 2: Geochronology of sediment hosted ore deposits - Dublin, Ireland - www.earthworks-jobs.com/jobpost/ucd2... - #jobs #research #postdoc #geochronology #sedimentology #geology #geoscience #oredeposits

CFIGS Discovery Podcasts Series

Dating salt to store hydrogen: Hidden timelines in basins

Discover CFIGS Geoscience at www.cfigs.com.au/discovery

#CFIGS #MiningInnovation #ExplorationRisk #FutureOfMining #GreenEnergyTransition #HydrogenStorage #RockSaltCaverns
#Geochronology #CanningBasin

A 3He-based Holocene glacial chronology from Villarrica volcano, Chile Understanding alpine glacier extent during past climate variability is instructive for determining the glacier response to future climate change. Vill…

Congrats to @yasmeenorellana.bsky.social on her first lead-author paper, out now in Quaternary Science Reviews! Check it out to learn about Holocene alpine ice position at Villarrica Volcano, Chile! #Geochronology #CosmogenicNuclides #Climate #Glaciers #Holocene www.sciencedirect.com/science/arti...

Earthworks-jobs.com : PhD Scholarship Opportunity in Geochronology-Calibrated Deep Time Global Landscape Evolution Models - Sydney,, Australia - University of Sydney

PhD Scholarship Opportunity in Geochronology-Calibrated Deep Time Global Landscape Evolution Models - Sydney, Australia - www.earthworks-jobs.com/jobpost/sydn... - #jobs #research #PhD #geochronology #modelling #geoscience #Earthsciences #geophysics #geography, #geology

Original post on mastodon.social

History of Earth (Earth 🌍)

The natural history of Earth concerns the development of planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to understanding of the main events of Earth's past, characterized by constant geological change and […]

Postdoctoral in Earth Science at UCD Ireland | HigherJobz Apply for the Postdoctoral Fellow position in Earth Science at UCD, Ireland. Fully funded opportunity for researchers. Deadline: 12 Dec 2025.

Postdoctoral Research Fellow – UCD, Ireland
Metals for a Green Ireland | #Geochronology & Mineral Systems
Eligibility: PhD in Earth Sciences

Details: higherjobz.com/postdoc-eart...

#PostdocJobs #EarthScience #EuropeJobs #ResearchCareer #AcademicPositions #Geoscience @ucddublin.bsky.social

Challenges in developing a Schmidt hammer exposure‐age dating calibration curve from glacial erratics in the North American Great Lakes Against expectations, mean Schmidt hammer R-values measured on 34 glacial erratics across six moraines in Wisconsin exhibit no meaningful relationship to independently determined cosmogenic 10Be expo...

New Paper Alert! 🚨 2nd of 2 #UndergraduateResearch studies led by a past #EMU #Geology student! Schmidt Hammer dating didn't work for us in the #GreatLakes. We muse on why we think our 'negative results' are still useful! #EarthScience #Glacial #Geochronology
onlinelibrary.wiley.com/doi/10.1002/...

The MISSING Billion Years: Earth's Greatest COLD CASE Imagine opening a history book to find a billion pages violently ripped out. That's not a metaphor. It's exactly what geologists found at the bottom of the Grand Canyon, and it’s the greatest unsolved mystery on Earth. This is the story of the "Great Unconformity," a jaw-dropping gap in the geological record where over a billion years of our planet’s history have simply vanished. We'll take you to the floor of the Grand Canyon, where ancient Precambrian rock touches stone a billion years younger, with nothing in between. So, what happened in this "Missing Billion Years"? Was it a planetary-scale crime scene? We'll investigate the two lead suspects in this deep time mystery. Was the evidence scoured away by colossal glaciers during a globe-spanning ice age known as "Snowball Earth"? Or was it violently eroded during the catastrophic breakup of the ancient supercontinent Rodinia? Join us as we explore how scientists are acting as geological detectives, using cutting-edge thermochronology and zircon dating to analyze the clues left behind. This isn't just a story about rocks; it's a mind-bending investigation into lost worlds, planetary chaos, and the incredible fragility of Earth history. Ready to become a deep time detective? Subscribe now to join the investigation into the Missing Billion Years and help us solve the riddle of the Great Unconformity.

📣 New Podcast! "The MISSING Billion Years: Earth's Greatest COLD CASE" on @Spreaker #deeptime #earthhistory #earthscience #geochronology #geologicalenigma #geologicalrecord #geologypodcast #geologyrocks #grandcanyongeology #greatunconformity #losthistory #missingbillionyears #precambrian

Luminescence dating of alluvial sediments from the Quaternary fan–terrace sequence of the lower Bruche valley, Upper Rhine Graben, France Abstract. Geochronological constraints on fluvial terraces provide valuable insights into channel migration and adjustment involved within actively meandering river systems. However, numerical age est...

💥 Luminescence dating of alluvial sediments from the Quaternary fan–terrace sequence of the lower Bruche valley, Upper Rhine Graben, France.

Marik, M., Serra, E., Rixhon, G., and Preusser, F., 2025. E&G Quaternary Sci. J., 74, 169–192.

▶ doi.org/10.5194/egqs...

#geochronology #luminescence #EGQSJ

Zircon Signals: Unlocking sediment pathways to high-grade mineral sands

Discover CFIGS Geoscience at www.cfigs.com.au/discovery

#CFIGS #MiningInnovation #ExplorationRisk #FutureOfMining
#DetritalZircon #HeavyMineralSands #SedimentPathways #Geochronology #ResourceExploration

Structural, geochronological, and metamorphic discontinuities across the Monashee décollement, southern British Columbia, Canada The Monashee décollement (MD) is a crustal-scale shear zone within the southern Omineca belt of the Canadian Cordillera. This structure separates autochthonous Precambrian basement rocks and cover seq...

📄Just-IN: Structural, geochronological, and metamorphic discontinuities across the Monashee décollement, southern British Columbia, Canada by Holt et al. @kylelarson.bsky.social @antarctica360.bsky.social
Learn more: cdnsciencepub.com/doi/10.1139/...
#Geosky #geochronology #CanadianCordillera

Revista Brasileira de Geomorfologia (Brazilian Journal of Geomorphology): Past, Present, and Future This article analyzes the publications of the Revista Brasileira de Geomorfologia (RBGeomorfologia) between 2000 and 2024, assessing temporal evolution, affiliation profiles, collaboration networks, a...

[3/3]
The journal reflects how Brazilian geomorphology has matured, diversified, and reached international audiences.

📄 Read the full article in RBGeomorfologia: doi.org/10.20502/rbg...

#Geomorphology #Geosciences #OpenScience #ResearchImpact #Geodiversity #Geochronology #RBGeomorfologia

So we have a lot of fieldwork planned in Aotearoa NZ and Tasmania this coming winter & spring 🌏 as well as the 11th IAG International Conference on Geomorphology

Watch this space....

#SouthernDustscapes #Palaeoclimate #NewZealand #Tasmania #Geochronology

👋 Hello, Bluesky! We’re Radiocarbon, an international peer-reviewed journal (since 1959) dedicated to advancing radiocarbon research, from calibration and chronology to applications across archaeology, geology, environmental science, and more. We’re glad to be here. #Radiocarbon #Geochronology