Geochronology
Geochronology
GChron
Last 12 months
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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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22 Jul 2024
New age constraints reveal moraine stabilization thousands of years after deposition during the last deglaciation of western New York, USA
Karlee K. Prince, Jason P. Briner, Caleb K. Walcott, Brooke M. Chase, Andrew L. Kozlowski, Tammy M. Rittenour, and Erica P. Yang
Geochronology, 6, 409–427, https://doi.org/10.5194/gchron-6-409-2024,https://doi.org/10.5194/gchron-6-409-2024, 2024
Final revised paper published in GChron (11 comments)
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20 Mar 2025
Short communication: Updated CRN Denudation collections in OCTOPUS v2.3
Alexandru T. Codilean and Henry Munack
Geochronology, 7, 113–122, https://doi.org/10.5194/gchron-7-113-2025,https://doi.org/10.5194/gchron-7-113-2025, 2025
Final revised paper published in GChron (10 comments)
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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
Final revised paper published in GChron (10 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
Final revised paper published in GChron (9 comments)
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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
Revised manuscript accepted for GChron (discussion: final response, 7 comments)
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29 Aug 2024
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
EGUsphere, https://doi.org/10.5194/egusphere-2024-2366,https://doi.org/10.5194/egusphere-2024-2366, 2024
Preprint under review for GChron (discussion: final response, 7 comments)
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10 Jul 2024
Cosmogenic 3He chronology of postglacial lava flows at Mt Ruapehu, Aotearoa / New Zealand
Pedro Doll, Shaun Robert Eaves, Ben Matthew Kennedy, Pierre-Henri Blard, Alexander Robert Lee Nichols, Graham Sloan Leonard, Dougal Bruce Townsend, Jim William Cole, Chris Edward Conway, Sacha Baldwin, Gabriel Fénisse, Laurent Zimmermann, and Bouchaïb Tibari
Geochronology, 6, 365–395, https://doi.org/10.5194/gchron-6-365-2024,https://doi.org/10.5194/gchron-6-365-2024, 2024
Final revised paper published in GChron (7 comments)
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17 Jun 2024
Navigating the complexity of detrital rutile provenance: methodological insights from the Neotethys Orogen in Anatolia
Megan A. Mueller, Alexis Licht, Andreas Möller, Cailey B. Condit, Julie C. Fosdick, Faruk Ocakoğlu, and Clay Campbell
Geochronology, 6, 265–290, https://doi.org/10.5194/gchron-6-265-2024,https://doi.org/10.5194/gchron-6-265-2024, 2024
Final revised paper published in GChron (7 comments)
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10 Jun 2024
The Geometric Correction Method for zircon (U–Th) ∕ He chronology: correcting systematic error and assigning uncertainties to alpha-ejection corrections and eU concentrations
Spencer D. Zeigler, Morgan Baker, James R. Metcalf, and Rebecca M. Flowers
Geochronology, 6, 199–226, https://doi.org/10.5194/gchron-6-199-2024,https://doi.org/10.5194/gchron-6-199-2024, 2024
Final revised paper published in GChron (7 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
Final revised paper published in GChron (6 comments)
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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
Final revised paper published in GChron (6 comments)
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17 Dec 2024
Technical note: An analytical approach for (U–Th) ∕ He dating of goethite by sample encapsulation in quartz ampoules under vacuum, with an example from the Amerasian Basin, Arctic Ocean
Olga Valentinovna Yakubovich, Natalia Pavlovna Konstantinova, Maria Olegovna Anosova, Mary Markovna Podolskaya, and Elena Valerevna Adamskaya
Geochronology, 6, 653–664, https://doi.org/10.5194/gchron-6-653-2024,https://doi.org/10.5194/gchron-6-653-2024, 2024
Final revised paper published in GChron (6 comments)
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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: final response, 6 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
Final revised paper published in GChron (6 comments)
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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
Final revised paper published in GChron (6 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
Final revised paper published in GChron (6 comments)
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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
Final revised paper published in GChron (6 comments)
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12 Aug 2024
Technical note: Optimizing the in situ cosmogenic 36Cl extraction and measurement workflow for geologic applications
Alia J. Lesnek, Joseph M. Licciardi, Alan J. Hidy, and Tyler S. Anderson
Geochronology, 6, 475–489, https://doi.org/10.5194/gchron-6-475-2024,https://doi.org/10.5194/gchron-6-475-2024, 2024
Final revised paper published in GChron (6 comments)
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05 Aug 2024
Revising chronological uncertainties in marine archives using global anthropogenic signals: a case study on the oceanic 13C Suess effect
Nil Irvalı, Ulysses S. Ninnemann, Are Olsen, Neil L. Rose, David J. R. Thornalley, Tor L. Mjell, and François Counillon
Geochronology, 6, 449–463, https://doi.org/10.5194/gchron-6-449-2024,https://doi.org/10.5194/gchron-6-449-2024, 2024
Final revised paper published in GChron (6 comments)
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26 Jul 2024
The daughter–parent plot: a tool for analyzing thermochronological data
Birk Härtel and Eva Enkelmann
Geochronology, 6, 429–448, https://doi.org/10.5194/gchron-6-429-2024,https://doi.org/10.5194/gchron-6-429-2024, 2024
Final revised paper published in GChron (6 comments)
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24 Jul 2024
Cosmogenic 3He dating of olivine with tightly retained mantle 3He, Volcano Mountain, Yukon
Jessica Mueller, Jeffrey Bond, Kenneth Farley, and Brent Ward
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-15,https://doi.org/10.5194/gchron-2024-15, 2024
Revised manuscript accepted for GChron (discussion: closed, 6 comments)
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05 Jul 2024
Short communication: Resolving the discrepancy between U–Pb age estimates for the “Likhall” bed, a key level in the Ordovician timescale
André Navin Paul, Anders Lindskog, and Urs Schaltegger
Geochronology, 6, 325–335, https://doi.org/10.5194/gchron-6-325-2024,https://doi.org/10.5194/gchron-6-325-2024, 2024
Final revised paper published in GChron (6 comments)
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01 Jul 2024
Last ice sheet recession and landscape emergence above sea level in east-central Sweden, evaluated using in situ cosmogenic 14C from quartz
Bradley W. Goodfellow, Arjen P. Stroeven, Nathaniel A. Lifton, Jakob Heyman, Alexander Lewerentz, Kristina Hippe, Jens-Ove Näslund, and Marc W. Caffee
Geochronology, 6, 291–302, https://doi.org/10.5194/gchron-6-291-2024,https://doi.org/10.5194/gchron-6-291-2024, 2024
Final revised paper published in GChron (6 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
Final revised paper published in GChron (5 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
Final revised paper published in GChron (5 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
Final revised paper published in GChron (5 comments)
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08 Aug 2024
Technical note: RA138 calcite U–Pb LA-ICP-MS primary reference material
Marcel Guillong, Elias Samankassou, Inigo A. Müller, Dawid Szymanowski, Nathan Looser, Lorenzo Tavazzani, Óscar Merino-Tomé, Juan R. Bahamonde, Yannick Buret, and Maria Ovtcharova
Geochronology, 6, 465–474, https://doi.org/10.5194/gchron-6-465-2024,https://doi.org/10.5194/gchron-6-465-2024, 2024
Final revised paper published in GChron (5 comments)
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23 May 2024
A new method for amino acid geochronology of the shell of the bivalve mollusc Arctica islandica
Martina L. G. Conti, Paul G. Butler, David J. Reynolds, Tamara Trofimova, James D. Scourse, and Kirsty E. H. Penkman
Geochronology, 6, 175–198, https://doi.org/10.5194/gchron-6-175-2024,https://doi.org/10.5194/gchron-6-175-2024, 2024
Final revised paper published in GChron (5 comments)
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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
Final revised paper published in GChron (4 comments)
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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
Final revised paper published in GChron (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
Final revised paper published in GChron (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
Final revised paper published in GChron (4 comments)
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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
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
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29 Jan 2025
Technical note: 21Ne in the CoQtz-N quartz standard material
Greg Balco
EGUsphere, https://doi.org/10.5194/egusphere-2025-149,https://doi.org/10.5194/egusphere-2025-149, 2025
Revised manuscript accepted for GChron (discussion: final response, 4 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, 4 comments)
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06 Jan 2025
Technical note: “U–Th Analysis” – open-source software dedicated to MC-ICP-MS U-series data treatment and evaluation
Inga Kristina Kerber, Fabian Kontor, Aaron Mielke, Sophie Warken, and Norbert Frank
Geochronology, 7, 1–13, https://doi.org/10.5194/gchron-7-1-2025,https://doi.org/10.5194/gchron-7-1-2025, 2025
Final revised paper published in GChron (4 comments)
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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
Final revised paper published in GChron (4 comments)
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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
Final revised paper published in GChron (4 comments)
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06 Dec 2024
Technical Note: Improved volume and derived value calculations for polished zircon
Barra A. Peak
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-33,https://doi.org/10.5194/gchron-2024-33, 2024
Preprint under review for GChron (discussion: final response, 4 comments)
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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
Final revised paper published in GChron (4 comments)
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25 Nov 2024
Short communication: Nanoscale heterogeneity of U and Pb in baddeleyite from atom probe tomography – 238U series alpha recoil effects and U atom clustering
Steven Denyszyn, Donald W. Davis, and Denis Fougerouse
Geochronology, 6, 607–619, https://doi.org/10.5194/gchron-6-607-2024,https://doi.org/10.5194/gchron-6-607-2024, 2024
Final revised paper published in GChron (4 comments)
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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
Revised manuscript accepted 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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18 Oct 2024
Technical note: Altitude scaling of 36Cl production from Fe
Angus K. Moore and Darryl E. Granger
Geochronology, 6, 541–552, https://doi.org/10.5194/gchron-6-541-2024,https://doi.org/10.5194/gchron-6-541-2024, 2024
Final revised paper published in GChron (4 comments)
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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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28 Aug 2024
Global analysis of in situ cosmogenic 26Al/10Be ratios in fluvial sediments indicates widespread sediment storage and burial during transport
Christopher Halsted, Paul Bierman, Alexandru Codilean, Lee Corbett, and Marc Caffee
Geochronology Discuss., https://doi.org/10.5194/gchron-2024-22,https://doi.org/10.5194/gchron-2024-22, 2024
Revised manuscript accepted for GChron (discussion: closed, 4 comments)
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15 Aug 2024
Production rate calibration for cosmogenic 10Be in pyroxene by applying a rapid fusion method to 10Be-saturated samples from the Transantarctic Mountains, Antarctica
Marie Bergelin, Greg Balco, Lee B. Corbett, and Paul R. Bierman
Geochronology, 6, 491–502, https://doi.org/10.5194/gchron-6-491-2024,https://doi.org/10.5194/gchron-6-491-2024, 2024
Final revised paper published in GChron (4 comments)
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