Geochronology
Geochronology
GChron

Short communication/technical note

03 Nov 2025
Technical note: Improved calculation of volume, FT correction, and other derived data for polished zircon (U-Th)/He thermochronology
Barra A. Peak
Geochronology, 7, 571–582, https://doi.org/10.5194/gchron-7-571-2025,https://doi.org/10.5194/gchron-7-571-2025, 2025
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18 Sep 2025
Technical note: Incorporating topographic deflection effects into thermal history modelling
Richard A. Ketcham
Geochronology, 7, 449–458, https://doi.org/10.5194/gchron-7-449-2025,https://doi.org/10.5194/gchron-7-449-2025, 2025
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14 Aug 2025
Short communication: A database of the global distribution of (U-Th) ∕ He ages and U and Th contents of goethites
Hevelyn S. Monteiro, Kenneth A. Farley, and Paulo M. Vasconcelos
Geochronology, 7, 357–368, https://doi.org/10.5194/gchron-7-357-2025,https://doi.org/10.5194/gchron-7-357-2025, 2025
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08 Aug 2025
Technical note: Geodynamic Thermochronology (GDTchron) – A Python package to calculate low-temperature thermochronometric ages from geodynamic numerical models
Dylan A. Vasey, Peter M. Scully, John B. Naliboff, and Sascha Brune
EGUsphere, https://doi.org/10.5194/egusphere-2025-3578,https://doi.org/10.5194/egusphere-2025-3578, 2025
Revised manuscript under review for GChron (discussion: final response, 4 comments)
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28 Jul 2025
Technical note: 21Ne in the CoQtz-N quartz standard material
Greg Balco
Geochronology, 7, 247–253, https://doi.org/10.5194/gchron-7-247-2025,https://doi.org/10.5194/gchron-7-247-2025, 2025
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16 May 2025
Technical note: Investigation into the mechanism of chemical abrasion using SHRIMP, Raman spectroscopy and atom probe tomography
Charles W. Magee, Jr, Lutz Nasdala, Renelle Dubosq, Baptiste Gault, and Simon Bodorkos
EGUsphere, https://doi.org/10.5194/egusphere-2025-1810,https://doi.org/10.5194/egusphere-2025-1810, 2025
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
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14 May 2025
Short communication: Estimating radiocarbon reservoir effects in Bolivian Amazon freshwater lakes
Asier García-Escárzaga, Umberto Lombardo, Patricia M. Bello-Alonso, José M. Capriles, André Colonese, Kate Dudgeon, Carlos D. Duarte, and Ricardo Fernandes
EGUsphere, https://doi.org/10.5194/egusphere-2025-1960,https://doi.org/10.5194/egusphere-2025-1960, 2025
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
Short summary
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
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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
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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
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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
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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
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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
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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
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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
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03 Jul 2024
Short communication: Inverse correlation between radiation damage and fission-track etching time on monazite
Toru Nakajima, Shoma Fukuda, Shigeru Sueoka, Sota Niki, Tetsuo Kawakami, Tohru Danhara, and Takahiro Tagami
Geochronology, 6, 313–323, https://doi.org/10.5194/gchron-6-313-2024,https://doi.org/10.5194/gchron-6-313-2024, 2024
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05 Mar 2024
Short communication: Synchrotron-based elemental mapping of single grains to investigate variable infrared-radiofluorescence emissions for luminescence dating
Mariana Sontag-González, Raju Kumar, Jean-Luc Schwenninger, Juergen Thieme, Sebastian Kreutzer, and Marine Frouin
Geochronology, 6, 77–88, https://doi.org/10.5194/gchron-6-77-2024,https://doi.org/10.5194/gchron-6-77-2024, 2024
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21 Feb 2024
Short communication: Cosmogenic noble gas depletion in soils by wildfire heating
Greg Balco, Alan J. Hidy, William T. Struble, and Joshua J. Roering
Geochronology, 6, 71–76, https://doi.org/10.5194/gchron-6-71-2024,https://doi.org/10.5194/gchron-6-71-2024, 2024
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20 Oct 2023
Technical note: Darkroom lighting for luminescence dating laboratory
Marine Frouin, Taylor Grandfield, William Huebsch, and Owen Evans
Geochronology, 5, 405–412, https://doi.org/10.5194/gchron-5-405-2023,https://doi.org/10.5194/gchron-5-405-2023, 2023
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20 Sep 2023
Technical note: Studying lithium metaborate fluxes and extraction protocols with a new, fully automated in situ cosmogenic 14C processing system at PRIME Lab
Nathaniel Lifton, Jim Wilson, and Allie Koester
Geochronology, 5, 361–375, https://doi.org/10.5194/gchron-5-361-2023,https://doi.org/10.5194/gchron-5-361-2023, 2023
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19 Jul 2023
Technical note: In situ U–Th–He dating by 4He ∕ 3He laser microprobe analysis
Pieter Vermeesch, Yuntao Tian, Jae Schwanethal, and Yannick Buret
Geochronology, 5, 323–332, https://doi.org/10.5194/gchron-5-323-2023,https://doi.org/10.5194/gchron-5-323-2023, 2023
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17 May 2023
Short communication: The Wasserstein distance as a dissimilarity metric for comparing detrital age spectra and other geological distributions
Alex Lipp and Pieter Vermeesch
Geochronology, 5, 263–270, https://doi.org/10.5194/gchron-5-263-2023,https://doi.org/10.5194/gchron-5-263-2023, 2023
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10 Mar 2023
Technical note: colab_zirc_dims: a Google Colab-compatible toolset for automated and semi-automated measurement of mineral grains in laser ablation–inductively coupled plasma–mass spectrometry images using deep learning models
Michael C. Sitar and Ryan J. Leary
Geochronology, 5, 109–126, https://doi.org/10.5194/gchron-5-109-2023,https://doi.org/10.5194/gchron-5-109-2023, 2023
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16 Jan 2023
Short communication: age2exhume – a MATLAB/Python script to calculate steady-state vertical exhumation rates from thermochronometric ages and application to the Himalaya
Peter van der Beek and Taylor F. Schildgen
Geochronology, 5, 35–49, https://doi.org/10.5194/gchron-5-35-2023,https://doi.org/10.5194/gchron-5-35-2023, 2023
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13 Jan 2023
Technical note: A software framework for calculating compositionally dependent in situ 14C production rates
Alexandria J. Koester and Nathaniel A. Lifton
Geochronology, 5, 21–33, https://doi.org/10.5194/gchron-5-21-2023,https://doi.org/10.5194/gchron-5-21-2023, 2023
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14 Dec 2022
Technical note: Evaluating a geographical information system (GIS)-based approach for determining topographic shielding factors in cosmic-ray exposure dating
Felix Martin Hofmann
Geochronology, 4, 691–712, https://doi.org/10.5194/gchron-4-691-2022,https://doi.org/10.5194/gchron-4-691-2022, 2022
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