Geochronology
Geochronology
GChron

Research article

27 Aug 2025
The virtual-spot approach: a simple method for image U–Pb carbonate geochronology by high-repetition-rate LA-ICP-MS
Guilhem Hoareau, Fanny Claverie, Christophe Pecheyran, Gaëlle Barbotin, Michael Perk, Nicolas E. Beaudoin, Brice Lacroix, and E. Troy Rasbury
Geochronology, 7, 387–407, https://doi.org/10.5194/gchron-7-387-2025,https://doi.org/10.5194/gchron-7-387-2025, 2025
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27 Aug 2025
Analytical and modelling strategies for thermal histories from in situ (U-Th-Sm)/He data of single apatites
Ann-Kathrin Maier, Christoph Glotzbach, and Sarah Falkowski
EGUsphere, https://doi.org/10.5194/egusphere-2025-3879,https://doi.org/10.5194/egusphere-2025-3879, 2025
Preprint under review for GChron (discussion: open, 0 comments)
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25 Aug 2025
Global and regional Pleistocene benthic δ18O stacks with a comparison of different age modeling strategies
Yuxin Zhou, Lorraine E. Lisiecki, Stephen R. Meyers, Taehee Lee, and Charles Lawrence
EGUsphere, https://doi.org/10.5194/egusphere-2025-3741,https://doi.org/10.5194/egusphere-2025-3741, 2025
Preprint under review for GChron (discussion: open, 0 comments)
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19 Aug 2025
Discordance dating: A new approach for dating 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 Smye
Geochronology, 7, 369–385, https://doi.org/10.5194/gchron-7-369-2025,https://doi.org/10.5194/gchron-7-369-2025, 2025
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07 Aug 2025
Radiometric dating of Middle Pleistocene carbonates: assessing consistency and performance of the 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
Geochronology, 7, 335–355, https://doi.org/10.5194/gchron-7-335-2025,https://doi.org/10.5194/gchron-7-335-2025, 2025
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06 Aug 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, 7, 289–308, https://doi.org/10.5194/gchron-7-289-2025,https://doi.org/10.5194/gchron-7-289-2025, 2025
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06 Aug 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, Joshua M. Garber, Aratz Beranoaguirre, Leo J. Millonig, Axel Gerdes, Tobias Grützner, and Horst R. Marschall
Geochronology, 7, 309–333, https://doi.org/10.5194/gchron-7-309-2025,https://doi.org/10.5194/gchron-7-309-2025, 2025
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05 Aug 2025
The quantification of down-hole fractionation for laser ablation mass spectrometry
Jarred C. Lloyd, Carl Spandler, Sarah E. Gilbert, and Derrick Hasterok
Geochronology, 7, 265–287, https://doi.org/10.5194/gchron-7-265-2025,https://doi.org/10.5194/gchron-7-265-2025, 2025
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04 Aug 2025
Cosmogenic 3He dating of olivine with tightly retained mantle 3He, Volcano Mountain, Yukon
Jessica M. Mueller, Jeffrey D. Bond, Kenneth A. Farley, and Brent C. Ward
Geochronology, 7, 255–263, https://doi.org/10.5194/gchron-7-255-2025,https://doi.org/10.5194/gchron-7-255-2025, 2025
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16 Jul 2025
Environmental gamma dose rate measurements using cadmium zinc telluride (CZT) detectors
Sebastian Kreutzer, Loïc Martin, Didier Miallier, and Norbert Mercier
Geochronology, 7, 229–246, https://doi.org/10.5194/gchron-7-229-2025,https://doi.org/10.5194/gchron-7-229-2025, 2025
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11 Jul 2025
Global analysis of in situ cosmogenic 26Al and 10Be and inferred erosion rate ratios in modern fluvial sediments indicates widespread sediment storage and burial during transport
Christopher T. Halsted, Paul R. Bierman, Alexandru T. Codilean, Lee B. Corbett, and Marc W. Caffee
Geochronology, 7, 213–228, https://doi.org/10.5194/gchron-7-213-2025,https://doi.org/10.5194/gchron-7-213-2025, 2025
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08 Jul 2025
Dating Late Pleistocene pluvial lake shorelines in the Great Basin, USA using rock surface luminescence dating techniques: developing new approaches for challenging lithologies
Christina Michelle Neudorf, Teresa Wriston, Geraint T. H. Jenkins, and Sebastien Huot
EGUsphere, https://doi.org/10.5194/egusphere-2025-3010,https://doi.org/10.5194/egusphere-2025-3010, 2025
Preprint under review for GChron (discussion: open, 2 comments)
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02 Jul 2025
Cosmogenic 3He exposure dating in mafic rocks by 'Virtual mineral separation' of pyroxene
Marie Bergelin, Greg Balco, and Richard A. Ketcham
EGUsphere, https://doi.org/10.5194/egusphere-2025-3033,https://doi.org/10.5194/egusphere-2025-3033, 2025
Preprint under review for GChron (discussion: final response, 2 comments)
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05 Jun 2025
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, 7, 199–211, https://doi.org/10.5194/gchron-7-199-2025,https://doi.org/10.5194/gchron-7-199-2025, 2025
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15 May 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 Wijbrans, Klaudia Kuiper, and Jeroen van der Lubbe
Geochronology, 7, 173–197, https://doi.org/10.5194/gchron-7-173-2025,https://doi.org/10.5194/gchron-7-173-2025, 2025
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28 Apr 2025
Terrestrial cosmogenic nuclide bedrock 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
Geochronology, 7, 157–172, https://doi.org/10.5194/gchron-7-157-2025,https://doi.org/10.5194/gchron-7-157-2025, 2025
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04 Apr 2025
U–Pb dating on calcite paleosol nodules: first absolute age constraints on the Miocene continental succession of the Paris Basin
Vincent Monchal, Rémi Rateau, Kerstin Drost, Cyril Gagnaison, Bastien Mennecart, Renaud Toullec, Koen Torremans, and David Chew
Geochronology, 7, 139–156, https://doi.org/10.5194/gchron-7-139-2025,https://doi.org/10.5194/gchron-7-139-2025, 2025
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04 Apr 2025
StratoBayes: A Bayesian method for automated stratigraphic correlation and age modelling
Kilian Eichenseer, Matthias Sinnesael, Martin R. Smith, and Andrew R. Millard
EGUsphere, https://doi.org/10.5194/egusphere-2025-1355,https://doi.org/10.5194/egusphere-2025-1355, 2025
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
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03 Apr 2025
Deglaciation of the Sierra Nevada (USA) during Heinrich Event 1
Richard A. Becker, Aaron M. Barth, Shaun A. Marcott, Basil Tikoff, and Marc W. Caffee
EGUsphere, https://doi.org/10.5194/egusphere-2025-1370,https://doi.org/10.5194/egusphere-2025-1370, 2025
Preprint under review for GChron (discussion: final response, 4 comments)
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01 Apr 2025
New controls on sedimentation and climate in the central equatorial Pacific Ocean
Allison W. Jacobel, Kassandra M. Costa, Lily M. Applebaum, and Serena Conde
Geochronology, 7, 123–138, https://doi.org/10.5194/gchron-7-123-2025,https://doi.org/10.5194/gchron-7-123-2025, 2025
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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
Revised manuscript accepted for GChron (discussion: final response, 4 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
Revised manuscript accepted for GChron (discussion: final response, 4 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: final response, 2 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
Revised manuscript accepted for GChron (discussion: final response, 6 comments)
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