Geochronology
Geochronology
GChron

Research article

20 Mar 2025
Diffusion kinetics of 3He in pyroxene and plagioclase and applications to cosmogenic exposure dating and paleothermometry in mafic rocks
Marie Bergelin, Andrew Gorin, Greg Balco, and William Cassata
EGUsphere, https://doi.org/10.5194/egusphere-2025-928,https://doi.org/10.5194/egusphere-2025-928, 2025
Preprint under review for GChron (discussion: open, 0 comments)
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19 Mar 2025
Measuring varve thickness using micro-computed tomography (µCT): a comparison with thin section
Marie-Eugénie Meusseunan Pascale Jamba, Pierre Francus, Antoine Gagnon-Poiré, and Guillaume St-Onge
Geochronology, 7, 83–111, https://doi.org/10.5194/gchron-7-83-2025,https://doi.org/10.5194/gchron-7-83-2025, 2025
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18 Mar 2025
Interlaboratory reproducibility of ID-TIMS U–Pb geochronology evaluated with a pre-spiked natural zircon solution
Dawid Szymanowski, Jörn-Frederik Wotzlaw, Maria Ovtcharova, Blair Schoene, Urs Schaltegger, Mark D. Schmitz, Ryan B. Ickert, Cyril Chelle-Michou, Kevin R. Chamberlain, James L. Crowley, Joshua H. F. L. Davies, Michael P. Eddy, Sean P. Gaynor, Alexandra Käßner, Michael T. Mohr, André N. Paul, Jahan Ramezani, Simon Tapster, Marion Tichomirowa, Albrecht von Quadt, and Corey J. Wall
EGUsphere, https://doi.org/10.5194/egusphere-2025-1001,https://doi.org/10.5194/egusphere-2025-1001, 2025
Preprint under review for GChron (discussion: open, 0 comments)
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12 Mar 2025
The conflict between sampling resolution and stratigraphic constraints from a Bayesian perspective: OSL and radiocarbon case studies
Guillaume Guérin, Pierre Guitton-Boussion, Imène Bouafia, and Anne Philippe
EGUsphere, https://doi.org/10.5194/egusphere-2025-890,https://doi.org/10.5194/egusphere-2025-890, 2025
Preprint under review for GChron (discussion: open, 0 comments)
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10 Mar 2025
A direct comparison of single-grain and multi-grain aliquot luminescence dating of feldspars from colluvial deposits in KwaZulu-Natal, South Africa
Svenja Riedesel, Guillaume Guérin, Kristina J. Thomsen, Mariana Sontag-González, Matthias Blessing, Greg A. Botha, Max Hellers, Gunther Möller, Andreas Peffeköver, Christian Sommer, Anja Zander, and Manuel Will
Geochronology, 7, 59–81, https://doi.org/10.5194/gchron-7-59-2025,https://doi.org/10.5194/gchron-7-59-2025, 2025
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06 Mar 2025
How much K is oK? – Evaluating different methods for K-concentration determination and the effect of the internal K-concentration on feldspar luminescence dating
Linda Andrea Elisabeth Maßon, Svenja Riedesel, Stephan Opitz, Anja Zander, Anthony Bell, Hanna Cieszynski, and Tony Reimann
EGUsphere, https://doi.org/10.5194/egusphere-2025-806,https://doi.org/10.5194/egusphere-2025-806, 2025
Preprint under review for GChron (discussion: open, 1 comment)
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27 Feb 2025
Accuracy and validity of maximum depositional ages in light of tandem (laser ablation + isotope dilution) U–Pb detrital zircon geochronology, including n = 1 results from northern Alaska
Trystan M. Herriott, James L. Crowley, Marwan A. Wartes, David L. LePain, and Mark D. Schmitz
EGUsphere, https://doi.org/10.5194/egusphere-2025-727,https://doi.org/10.5194/egusphere-2025-727, 2025
Preprint under review for GChron (discussion: open, 0 comments)
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25 Feb 2025
The need for fission-track data transparency and sharing
Murat T. Tamer, Ling Chung, Richard A. Ketcham, and Andrew J. W. Gleadow
Geochronology, 7, 45–58, https://doi.org/10.5194/gchron-7-45-2025,https://doi.org/10.5194/gchron-7-45-2025, 2025
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24 Feb 2025
Emplacement age of the Sevier gravity slide, Utah, USA
Tiffany Rivera, McKenna Holliday, Brian Jicha, David H. Malone, Michael J. Braunagel, V. Alex Bonilla Franco, Robert F. Biek, W. Ashley Griffith, and David B. Hacker
Geochronology, 7, 35–44, https://doi.org/10.5194/gchron-7-35-2025,https://doi.org/10.5194/gchron-7-35-2025, 2025
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19 Feb 2025
Exploring the relationships between Electron Spin Resonance (ESR)/Optically Stimulated Luminescence (OSL) properties and trace element composition in various quartz-bearing bedrocks (Strengbach catchment, Vosges)
Hélène Tissoux, Magali Rizza, Claire Aupart, Gilles Rixhon, Pierre G. Valla, Manon Boulay, Philippe Lach, and Pierre Voinchet
EGUsphere, https://doi.org/10.5194/egusphere-2025-182,https://doi.org/10.5194/egusphere-2025-182, 2025
Preprint under review for GChron (discussion: open, 0 comments)
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18 Feb 2025
Controls on zircon age distributions in volcanic, porphyry and plutonic rocks
Chetan Nathwani, Dawid Szymanowski, Lorenzo Tavazzani, Sava Markovic, Adrianna L. Virmond, and Cyril Chelle-Michou
Geochronology, 7, 15–33, https://doi.org/10.5194/gchron-7-15-2025,https://doi.org/10.5194/gchron-7-15-2025, 2025
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13 Feb 2025
Broken 206Pb/238U carbonate chronometers and 207Pb/235U fixes
Pieter Vermeesch, Noah McLean, Anton Vaks, Tzahi Golan, Sebastian F. M. Breitenbach, and Randall Parris
EGUsphere, https://doi.org/10.5194/egusphere-2025-432,https://doi.org/10.5194/egusphere-2025-432, 2025
Preprint under review for GChron (discussion: open, 1 comment)
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07 Feb 2025
Zircon micro-inclusions as an obstacle for in situ garnet U-Pb geochronology: An example from the As Sifah eclogite locality, Oman
Jesse B. Walters, Joshu M. Garber, Aratz Beranoaguirre, Leo Millonig, Axel Gerdes, Tobias Grützner, and Horst R. Marschall
EGUsphere, https://doi.org/10.5194/egusphere-2025-366,https://doi.org/10.5194/egusphere-2025-366, 2025
Preprint under review for GChron (discussion: final response, 2 comments)
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28 Jan 2025
Rapid dose rate estimation for trapped charge dating using pXRF measurements of potassium concentration
Sam Woor, Mitch K. D'Arcy, Olav B. Lian, Maria Schaarschmidt, and Julie A. Durcan
EGUsphere, https://doi.org/10.5194/egusphere-2025-55,https://doi.org/10.5194/egusphere-2025-55, 2025
Preprint under review for GChron (discussion: open, 3 comments)
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15 Jan 2025
Further investigations into the accuracy of infrared-radiofluorescence (IR-RF) and its inter-comparison with infrared photoluminescence (IRPL) dating
Mariana Sontag-González, Madhav K. Murari, Mayank Jain, Marine Frouin, and Markus Fuchs
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-36,https://doi.org/10.5194/gchron-2024-36, 2025
Preprint under review for GChron (discussion: final response, 2 comments)
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09 Jan 2025
40Ar/39Ar age constraints on the formation of fluid-rich quartz veins from the NW Rhenohercynian zone (Rursee area, Germany)
Akbar Aydin Oglu Huseynov, Jan R. Wijbrans, Klaudia F. Kuiper, and Jeroen van der Lubbe
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-35,https://doi.org/10.5194/gchron-2024-35, 2025
Revised manuscript accepted for GChron (discussion: closed, 9 comments)
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20 Dec 2024
New developments in incremental heating detrital 40Ar∕39Ar lithic (DARL) geochronology using Icelandic river sand
Odinaka Okwueze, Kevin Konrad, and Tomas Capaldi
Geochronology, 6, 683–696, https://doi.org/10.5194/gchron-6-683-2024,https://doi.org/10.5194/gchron-6-683-2024, 2024
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20 Dec 2024
Interpreting cooling dates and histories from laser ablation in situ (U–Th–Sm) ∕ He thermochronometry: a modelling perspective
Christoph Glotzbach and Todd A. Ehlers
Geochronology, 6, 697–717, https://doi.org/10.5194/gchron-6-697-2024,https://doi.org/10.5194/gchron-6-697-2024, 2024
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17 Dec 2024
Zircon luminescence dating revisited
Christoph Schmidt, Théo Halter, Paul R. Hanson, Alexey Ulianov, Benita Putlitz, Georgina E. King, and Sebastian Kreutzer
Geochronology, 6, 665–682, https://doi.org/10.5194/gchron-6-665-2024,https://doi.org/10.5194/gchron-6-665-2024, 2024
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09 Dec 2024
Paired 14C-10Be exposure ages from Mount Murphy, West Antarctica: Implications for accurate and precise deglacial chronologies
Jonathan R. Adams, Dylan H. Rood, Klaus Wilcken, Stephen J. Roberts, and Joanne S. Johnson
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-34,https://doi.org/10.5194/gchron-2024-34, 2024
Preprint under review for GChron (discussion: open, 5 comments)
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06 Dec 2024
Cosmogenic 21Ne exposure ages on late Pleistocene moraines in Lassen Volcanic National Park, California, USA
Joseph P. Tulenko, Greg Balco, Michael A. Clynne, and L. J. Patrick Muffler
Geochronology, 6, 639–652, https://doi.org/10.5194/gchron-6-639-2024,https://doi.org/10.5194/gchron-6-639-2024, 2024
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26 Nov 2024
µID-TIMS: spatially resolved high-precision U–Pb zircon geochronology
Sava Markovic, Jörn-Frederik Wotzlaw, Dawid Szymanowski, Joakim Reuteler, Peng Zeng, and Cyril Chelle-Michou
Geochronology, 6, 621–638, https://doi.org/10.5194/gchron-6-621-2024,https://doi.org/10.5194/gchron-6-621-2024, 2024
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22 Nov 2024
Double dating in the Middle Pleistocene: assessing the consistency and performance of the carbonate U–Th and U–Pb dating methods
Timothy J. Pollard, Jon D. Woodhead, Russell N. Drysdale, R. Lawrence Edwards, Xianglei Li, Ashlea N. Wainwright, Mathieu Pythoud, Hai Cheng, John C. Hellstrom, Ilaria Isola, Eleonora Regattieri, Giovanni Zanchetta, and Dylan S. Parmenter
EGUsphere, https://doi.org/10.5194/egusphere-2024-3594,https://doi.org/10.5194/egusphere-2024-3594, 2024
Preprint under review for GChron (discussion: final response, 4 comments)
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19 Nov 2024
Environmental Gamma Dose Rate Measurements using CZT Detectors
Sebastian Kreutzer, Loïc Martin, Didier Miallier, and Norbert Mercier
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-31,https://doi.org/10.5194/gchron-2024-31, 2024
Revised manuscript accepted for GChron (discussion: closed, 4 comments)
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14 Nov 2024
A comparison between in situ monazite Lu–Hf and U–Pb geochronology
Alexander T. De Vries Van Leeuwen, Stijn Glorie, Martin Hand, Jacob Mulder, and Sarah E. Gilbert
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-29,https://doi.org/10.5194/gchron-2024-29, 2024
Revised manuscript accepted for GChron (discussion: closed, 4 comments)
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13 Nov 2024
In situ rubidium–strontium geochronology of white mica in young metamafic and metasomatic rocks from Syros: testing the limits of laser-ablation triple-quadrupole inductively coupled plasma mass spectrometer mica dating using different anchoring approaches
Jesús Muñoz-Montecinos, Andrea Giuliani, Senan Oesch, Silvia Volante, Bradley Peters, and Whitney Behr
Geochronology, 6, 585–605, https://doi.org/10.5194/gchron-6-585-2024,https://doi.org/10.5194/gchron-6-585-2024, 2024
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28 Oct 2024
Discordance Dating: A New Approach for Dating Sedimentary Alteration Events  
Jesse R. Reimink, Renan Beckman, Erik Schoonover, Max Lloyd, Joshua Garber, Joshua H. F. L. Davies, Alexander Cerminaro, Morgann G. Perrot, and Andrew J. Smye
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-27,https://doi.org/10.5194/gchron-2024-27, 2024
Preprint under review for GChron (discussion: final response, 3 comments)
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25 Oct 2024
U and Th zonation in apatite observed by synchrotron X-ray fluorescence tomography and implications for the (U–Th) ∕ He system
Francis J. Sousa, Stephen E. Cox, E. Troy Rasbury, Sidney R. Hemming, Antonio Lanzirotti, and Matthew Newville
Geochronology, 6, 553–570, https://doi.org/10.5194/gchron-6-553-2024,https://doi.org/10.5194/gchron-6-553-2024, 2024
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25 Oct 2024
Krypton-85 chronometry of spent nuclear fuel
Greg Balco, Andrew J. Conant, Dallas D. Reilly, Dallin Barton, Chelsea D. Willett, and Brett H. Isselhardt
Geochronology, 6, 571–584, https://doi.org/10.5194/gchron-6-571-2024,https://doi.org/10.5194/gchron-6-571-2024, 2024
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17 Oct 2024
An optimization tool for identifying multiple-diffusion domain model parameters
Andrew L. Gorin, Joshua M. Gorin, Marie Bergelin, and David L. Shuster
Geochronology, 6, 521–540, https://doi.org/10.5194/gchron-6-521-2024,https://doi.org/10.5194/gchron-6-521-2024, 2024
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15 Oct 2024
Towards the construction of regional marine radiocarbon calibration curves: an unsupervised machine learning approach
Ana-Cristina Mârza, Laurie Menviel, and Luke C. Skinner
Geochronology, 6, 503–519, https://doi.org/10.5194/gchron-6-503-2024,https://doi.org/10.5194/gchron-6-503-2024, 2024
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10 Oct 2024
The quantification of downhole fractionation for laser ablation mass spectrometry
Jarred Cain Lloyd, Carl Spandler, Sarah E. Gilbert, and Derrick Hasterok
EGUsphere, https://doi.org/10.5194/egusphere-2024-2908,https://doi.org/10.5194/egusphere-2024-2908, 2024
Revised manuscript under review for GChron (discussion: final response, 4 comments)
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08 Oct 2024
Terrestrial Cosmogenic Nuclide depth profiles used to infer changes in Holocene glacier cover, Vintage Peak, Southern Coast Mountains, British Columbia
Adam C. Hawkins, Brent M. Goehring, and Brian Menounos
EGUsphere, https://doi.org/10.5194/egusphere-2024-2900,https://doi.org/10.5194/egusphere-2024-2900, 2024
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
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30 Sep 2024
Nonparametric estimation of age-depth models from sedimentological and stratigraphic information
Niklas Hohmann, David De Vleeschouwer, Sietske Batenburg, and Emilia Jarochowska
EGUsphere, https://doi.org/10.5194/egusphere-2024-2857,https://doi.org/10.5194/egusphere-2024-2857, 2024
Preprint under review for GChron (discussion: final response, 12 comments)
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25 Sep 2024
New Controls on Sedimentation and Climate in the Central Equatorial Pacific Ocean
Allison W. Jacobel, Kassandra M. Costa, Lily M. Applebaum, and Serena Conde
EGUsphere, https://doi.org/10.5194/egusphere-2024-2775,https://doi.org/10.5194/egusphere-2024-2775, 2024
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
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