Most commented

27 Aug 2026
Uncertainty in helium diffusion in zircon limits thermochronologic resolution: application to the Great Unconformity
Matthew Fox, Adam G. G. Smith, Pieter Vermeesch, Kerry Gallagher, and Andrew Carter
Geochronology, 8, 463–474, https://doi.org/10.5194/gchron-8-463-2026,https://doi.org/10.5194/gchron-8-463-2026, 2026
Final revised paper published in GChron (12 comments)
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16 Sep 2025
Nonparametric estimation of age–depth models from sedimentological and stratigraphic information
Niklas Hohmann, David De Vleeschouwer, Sietske Batenburg, and Emilia Jarochowska
Geochronology, 7, 427–448, https://doi.org/10.5194/gchron-7-427-2025,https://doi.org/10.5194/gchron-7-427-2025, 2025
Final revised paper published in GChron (12 comments)
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14 Apr 2026
A different take on fission-track annealing in apatite
Raymond Jonckheere, Florian Trilsch, Birk Härtel, and Thorsten Nagel
EGUsphere, https://doi.org/10.5194/egusphere-2026-1924,https://doi.org/10.5194/egusphere-2026-1924, 2026
Revised manuscript under review for GChron (discussion: final response, 7 comments)
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16 Mar 2026
On some factors controlling fission-track etch rates in apatite
Raymond Jonckheere, Florian Trilsch, Jie Liu, Pengfei Zhai, and Thorsten Nagel
EGUsphere, https://doi.org/10.5194/egusphere-2026-889,https://doi.org/10.5194/egusphere-2026-889, 2026
Revised manuscript under review for GChron (discussion: final response, 7 comments)
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11 Sep 2026
Challenges of initial Thorium and Approaches to Robust Speleothem Age Models: A case study from the Yucatán peninsula, Mexico
Nils Schorndorf, Sophie F. Warken, René Eichstädter, Aaron S. Mielke, Jerónimo Avilés Olguín, Frank Keppler, Dominik Hennhöfer, Fátima Tec Pool, Carlos Evia, María José Gómez, Wolfgang Stinnesbeck, and Norbert Frank
Geochronology, 8, 511–528, https://doi.org/10.5194/gchron-8-511-2026,https://doi.org/10.5194/gchron-8-511-2026, 2026
Final revised paper published in GChron (6 comments)
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10 Sep 2026
U-Pb dating of sub-ng g−1 U garnet by LA-MC-ICP-MS
Aratz Beranoaguirre, Leo J. Millonig, Richard Albert, Horst R. Marschall, and Axel Gerdes
Geochronology, 8, 495–509, https://doi.org/10.5194/gchron-8-495-2026,https://doi.org/10.5194/gchron-8-495-2026, 2026
Final revised paper published in GChron (6 comments)
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10 Aug 2026
Technical note: Design, construction, automation, and first-principles calibration of a low volume He measurement line
James R. Metcalf and Rebecca M. Flowers
Geochronology, 8, 447–462, https://doi.org/10.5194/gchron-8-447-2026,https://doi.org/10.5194/gchron-8-447-2026, 2026
Final revised paper published in GChron (6 comments)
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08 Jul 2026
Dating circulations of hydrothermal fluids in the crystalline basements of unconformity-related metal deposits using in situ Rb ∕ Sr geochronology: proof of concept
Quentin Boulogne, Gaétan Milesi, Chantal Peiffert, Emmy Fischer, Christophe Ballouard, Mehdi Serdoun, Thomas Obin, Andreï Lecomte, Pierre Martz, Andrew Kaczowka, and Julien Mercadier
Geochronology, 8, 387–421, https://doi.org/10.5194/gchron-8-387-2026,https://doi.org/10.5194/gchron-8-387-2026, 2026
Final revised paper published in GChron (6 comments)
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11 Jun 2026
Plutonium isotopes as time-markers in South American lake sediments: identifying pre- and post-1959 and French test periods
Floriane Guillevic, Renaldo Gastineau, Olivier Evrard, Pierre Sabatier, Amaury Bardelle, Pierre-Alexis Chaboche, Anthony Foucher, Romina Achaga, Ana Carolina Ruiz-Fernández, Joan-Albert Sanchez-Cabeza, Marcos Tassano, Mirel Cabrera, Juan A. Quicke, Guillermo Chalar, Maarten Van Daele, Valentina Moreno-Allende, Jasper Moernaut, Torsten Haberzettl, José A. Corcho Alvarado, Stefan Röllin, Hans Sahli, Judith Kobler, Gerald Dicen, and Christine Alewell
EGUsphere, https://doi.org/10.5194/egusphere-2026-3019,https://doi.org/10.5194/egusphere-2026-3019, 2026
Preprint under review for GChron (discussion: final response, 6 comments)
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05 Jun 2026
Testing current estimates of the in situ cosmogenic 10Be production rate in the north-western British Isles, with implications for ice sheet behaviour during Termination 1
Gordon R. M. Bromley, Brenda L. Hall, Aaron E. Putnam, and Thomas V. Lowell
Geochronology, 8, 329–349, https://doi.org/10.5194/gchron-8-329-2026,https://doi.org/10.5194/gchron-8-329-2026, 2026
Final revised paper published in GChron (6 comments)
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01 Jun 2026
Too good to be true: Underdispersion in geochronology
Pieter Vermeesch
EGUsphere, https://doi.org/10.5194/egusphere-2026-2783,https://doi.org/10.5194/egusphere-2026-2783, 2026
Preprint under review for GChron (discussion: final response, 6 comments)
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28 May 2026
Response of the Rb–Sr system in biotite during contact metamorphism in the aureole of the Makhavinekh Lake Pluton, Labrador
Christopher R. M. McFarlane
Geochronology, 8, 313–327, https://doi.org/10.5194/gchron-8-313-2026,https://doi.org/10.5194/gchron-8-313-2026, 2026
Final revised paper published in GChron (6 comments)
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05 May 2026
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, 8, 255–277, https://doi.org/10.5194/gchron-8-255-2026,https://doi.org/10.5194/gchron-8-255-2026, 2026
Final revised paper published in GChron (6 comments)
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03 Mar 2026
In situ cosmogenic 10Be and 26Al reveal the complex exposure and erosion history of the landscape once covered by the Quebec-Labrador Ice Dome
Peyton M. Cavnar, Paul R. Bierman, Jeremy D. Shakun, Lee B. Corbett, Danielle LeBlanc, Gillian L. Galford, Pierre-Olivier Couette, Jean-Francois Ghienne, Patrick Lajeunesse, Jérôme van der Woerd, and Marc Caffee
Geochronology, 8, 119–141, https://doi.org/10.5194/gchron-8-119-2026,https://doi.org/10.5194/gchron-8-119-2026, 2026
Final revised paper published in GChron (6 comments)
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07 Jan 2026
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
Geochronology, 8, 1–18, https://doi.org/10.5194/gchron-8-1-2026,https://doi.org/10.5194/gchron-8-1-2026, 2026
Final revised paper published in GChron (6 comments)
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24 Oct 2025
| Highlight paper
Accuracy and validity of maximum depositional ages in light of tandem (laser ablation and isotope dilution) U–Pb detrital zircon geochronology, including results from northern Alaska
Trystan M. Herriott, James L. Crowley, Marwan A. Wartes, David L. LePain, and Mark D. Schmitz
Geochronology, 7, 513–543, https://doi.org/10.5194/gchron-7-513-2025,https://doi.org/10.5194/gchron-7-513-2025, 2025
Final revised paper published in GChron (6 comments)
Short summary Editorial statement
20 Oct 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 A. E. Maßon, Svenja Riedesel, Stephan Opitz, Anja Zander, Anthony Bell, Hanna Cieszynski, and Tony Reimann
Geochronology, 7, 475–492, https://doi.org/10.5194/gchron-7-475-2025,https://doi.org/10.5194/gchron-7-475-2025, 2025
Final revised paper published in GChron (6 comments)
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10 Oct 2025
Carbonate 206Pb ∕ 238U problems and potential 207Pb ∕ 235U fixes
Pieter Vermeesch, Noah McLean, Anton Vaks, Tzahi Golan, Sebastian F. M. Breitenbach, and Randall Parrish
Geochronology, 7, 459–473, https://doi.org/10.5194/gchron-7-459-2025,https://doi.org/10.5194/gchron-7-459-2025, 2025
Final revised paper published in GChron (6 comments)
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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
Final revised paper published in GChron (6 comments)
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29 May 2026
Technical Note: Remarks on Assessing Complexity in Thermal History Models
Alyssa L. Abbey and Kerry Gallagher
EGUsphere, https://doi.org/10.5194/egusphere-2026-2328,https://doi.org/10.5194/egusphere-2026-2328, 2026
Revised manuscript under review for GChron (discussion: final response, 5 comments)
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27 May 2026
Technical Note: Reducing age dispersion in in-situ (U-Th)/He dating: How to optimize ablation pit geometries with OptiPit
Hagen Hoemann, Mathias Hueck, and István Dunkl
EGUsphere, https://doi.org/10.5194/egusphere-2026-2590,https://doi.org/10.5194/egusphere-2026-2590, 2026
Preprint under review for GChron (discussion: final response, 5 comments)
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14 Sep 2026
Causes and mitigation of U–Pb fractionation during LA-ICP-MS analyses of zircon using nanosecond excimer laser systems
Donald W. Davis and Heriberto Rochin-Banaga
Geochronology, 8, 529–545, https://doi.org/10.5194/gchron-8-529-2026,https://doi.org/10.5194/gchron-8-529-2026, 2026
Final revised paper published in GChron (4 comments)
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27 Aug 2026
Technical note: Disentangling pre- and post-depositional thermal histories in partially reset samples
Birk P. Härtel, Eva Enkelmann, and Akeek Maitra
Geochronology, 8, 475–494, https://doi.org/10.5194/gchron-8-475-2026,https://doi.org/10.5194/gchron-8-475-2026, 2026
Final revised paper published in GChron (4 comments)
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07 Aug 2026
Simplified modeling of the impact of lithospheric-scale geological processes on thermal histories and low-temperature thermochronometers
Dawn A. Kellett and David M. Whipp
Geochronology, 8, 423–445, https://doi.org/10.5194/gchron-8-423-2026,https://doi.org/10.5194/gchron-8-423-2026, 2026
Final revised paper published in GChron (4 comments)
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25 Jun 2026
Advancing meteorite impact chronology with in situ mica Rb-Sr dating
Bruno Ribeiro, Jayden Squire, Chris Kirkland, Juraj Farkas, Cecilia Loyola, Victoria Cousins, Victor Gostin, and Charles Verdel
EGUsphere, https://doi.org/10.5194/egusphere-2026-3441,https://doi.org/10.5194/egusphere-2026-3441, 2026
Preprint under review for GChron (discussion: final response, 4 comments)
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12 Jun 2026
Extraction of multiple ages from c-axis projected fission tracks
Peter K. Jensen
Geochronology, 8, 373–386, https://doi.org/10.5194/gchron-8-373-2026,https://doi.org/10.5194/gchron-8-373-2026, 2026
Final revised paper published in GChron (4 comments)
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12 Jun 2026
Infrared-radiofluorescence in feldspar: grain-scale mineralogy and its effect on dose response curves and apparent saturation
Taylor Grandfield, Mariana Sontag-González, Raju Kumar, Juergen Thieme, Andrew M. Kiss, Jean-Luc Schwenninger, Victoria Castle, Hanna Nekvasil, and Marine Frouin
EGUsphere, https://doi.org/10.5194/egusphere-2026-2868,https://doi.org/10.5194/egusphere-2026-2868, 2026
Preprint under review for GChron (discussion: final response, 4 comments)
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10 Jun 2026
Atmospheric 10Be from Talos Dome (East Antarctic) ice core records geomagnetic dipole intensity from 170 to 270 ka BP
Alexis Lamothe, Edouard Bard, Nicolas Thouveny, Ellyn Auriol, Mirko Severi, Rita Traversi, Martine De Angelis, Frank Wilhelms, Robert Mulvaney, Fawzi Zaidi, Georges Aumaitre, Karim Keddadouche, and Mélanie Baroni
Geochronology, 8, 351–371, https://doi.org/10.5194/gchron-8-351-2026,https://doi.org/10.5194/gchron-8-351-2026, 2026
Final revised paper published in GChron (4 comments)
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02 Jun 2026
Coupled K–Ca and Rb–Sr dating by LA-ICP-MS/MS – reaction gas optimisation and geological applications
Sarah E. Gilbert, Stijn Glorie, and Jarred C. Lloyd
EGUsphere, https://doi.org/10.5194/egusphere-2026-2790,https://doi.org/10.5194/egusphere-2026-2790, 2026
Preprint under review for GChron (discussion: final response, 4 comments)
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28 May 2026
PecubeGUI: a user interface for the Pecube thermal-kinematic model and advanced low-temperature thermochronometer predictions
Maxime Bernard, Pieter van der Beek, Cody Colleps, Xavier Robert, Kerry Gallagher, William Guenthner, Julien Amalberti, and Georgina E. King
EGUsphere, https://doi.org/10.5194/egusphere-2026-2286,https://doi.org/10.5194/egusphere-2026-2286, 2026
Revised manuscript under review for GChron (discussion: final response, 4 comments)
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28 May 2026
Technical note: Tc1D - a 1D thermal and thermochronometer age prediction model
David M. Whipp, Benjamin Gérard, Sanni Laaksonen, and Dawn A. Kellett
EGUsphere, https://doi.org/10.5194/egusphere-2026-2514,https://doi.org/10.5194/egusphere-2026-2514, 2026
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
Short summary
27 May 2026
40Ar ∕ 39Ar constraints on the eruption history of the Christiana Volcano of the Christiana-Santorini-Kolumbo volcanic field, Greece
Pieter Z. Vroon, Teun Beemster, Xiaolong Zhou, Paraskevi Nomikou, Martijn Klaver, Jan R. Wijbrans, and Klaudia F. Kuiper
Geochronology, 8, 279–295, https://doi.org/10.5194/gchron-8-279-2026,https://doi.org/10.5194/gchron-8-279-2026, 2026
Final revised paper published in GChron (4 comments)
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27 May 2026
Novel insights into the post-IR IRSL200 signal bleachability of single-grain K-feldspars in fluvial modern analogues from the Southern Central Andes, Chile
Arindam Biswas, Svenja Riedesel, Louise Karman-Besson, Max Hellers, Anne Guyez, Stéphane Bonnet, and Tony Reimann
Geochronology, 8, 297–312, https://doi.org/10.5194/gchron-8-297-2026,https://doi.org/10.5194/gchron-8-297-2026, 2026
Final revised paper published in GChron (4 comments)
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27 May 2026
Technical Note: The Enhanced Controlled Random Search (CRS) Algorithm for Thermal History Analysis in HeFTy
Kendra E. Murray, Richard A. Ketcham, and Andrea L. Stevens Goddard
EGUsphere, https://doi.org/10.5194/egusphere-2026-2525,https://doi.org/10.5194/egusphere-2026-2525, 2026
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
Short summary
22 May 2026
Technical note: Guidance on setting up Pecube inversions with the neighbourhood algorithm
Maxime Bernard, Georgina E. King, Pieter van der Beek, Isabel Wapenhans, Lingxiao Gong, and Xavier Robert
EGUsphere, https://doi.org/10.5194/egusphere-2026-2508,https://doi.org/10.5194/egusphere-2026-2508, 2026
Revised manuscript under review for GChron (discussion: final response, 4 comments)
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19 May 2026
Short communication: A linear regression model for amino acid dating of Bithynia opercula from deep-core material
Ellie Frances Nelson and J. Andres Christen
EGUsphere, https://doi.org/10.5194/egusphere-2026-2261,https://doi.org/10.5194/egusphere-2026-2261, 2026
Preprint under review for GChron (discussion: final response, 4 comments)
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11 May 2026
Technical Note: A retroactive method for identifying subpopulations of zoned zircon in (U-Th)/He data
Jenna M. Kaempfer
EGUsphere, https://doi.org/10.5194/egusphere-2026-1672,https://doi.org/10.5194/egusphere-2026-1672, 2026
Revised manuscript under review for GChron (discussion: final response, 4 comments)
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23 Apr 2026
ESR-thermochronometry of the MIZ1 borehole, Tono, Japan
Georgina E. King, Lily Bossin, Maxime Bernard, Melanie Kranz-Bartz, Xiaoxia Wen, Christoph Schmidt, Benny Guralnik, Frédéric Herman, Manabu Ogata, and Shigeru Sueoka
EGUsphere, https://doi.org/10.5194/egusphere-2026-2204,https://doi.org/10.5194/egusphere-2026-2204, 2026
Revised manuscript under review for GChron (discussion: final response, 4 comments)
Short summary
17 Apr 2026
In situ apatite U-Pb, fission track and (U-Th)/He triple dating using a simple embedding approach
Christoph Glotzbach, Alexander Neely, and Todd Ehlers
EGUsphere, https://doi.org/10.5194/egusphere-2026-1552,https://doi.org/10.5194/egusphere-2026-1552, 2026
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
Short summary
07 Apr 2026
Dating Late Pleistocene pluvial lake shorelines in the Great Basin, USA using rock surface luminescence dating techniques: developing new approaches for challenging lithologies
Christina M. Neudorf, Teresa Wriston, Geraint T. H. Jenkins, and Sebastien Huot
Geochronology, 8, 223–253, https://doi.org/10.5194/gchron-8-223-2026,https://doi.org/10.5194/gchron-8-223-2026, 2026
Final revised paper published in GChron (4 comments)
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01 Apr 2026
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
Geochronology, 8, 209–222, https://doi.org/10.5194/gchron-8-209-2026,https://doi.org/10.5194/gchron-8-209-2026, 2026
Final revised paper published in GChron (4 comments)
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30 Mar 2026
Short communication: Crystalline features of fission tracks in monazite: Evidence from swift heavy ion irradiation and transmission electron microscopy
Shoma Fukuda, Norito Ishikawa, Toru Nakajima, Hiroaki Ogawa, and Tomitsugu Taguchi
EGUsphere, https://doi.org/10.5194/egusphere-2025-6112,https://doi.org/10.5194/egusphere-2025-6112, 2026
Revised manuscript under review for GChron (discussion: final response, 4 comments)
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30 Mar 2026
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
Geochronology, 8, 191–207, https://doi.org/10.5194/gchron-8-191-2026,https://doi.org/10.5194/gchron-8-191-2026, 2026
Final revised paper published in GChron (4 comments)
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27 Mar 2026
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
Geochronology, 8, 165–189, https://doi.org/10.5194/gchron-8-165-2026,https://doi.org/10.5194/gchron-8-165-2026, 2026
Final revised paper published in GChron (4 comments)
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26 Mar 2026
CoRSEER: The Calculator of Rock Surface Exposure Age and Erosion Rates for Rock Surface Luminescence dating
Arbaz N. Pathan, Rabiul H. Biswas, and Devender Kumar
EGUsphere, https://doi.org/10.5194/egusphere-2026-1303,https://doi.org/10.5194/egusphere-2026-1303, 2026
Revised manuscript accepted for GChron (discussion: final response, 4 comments)
Short summary
11 Mar 2026
U-Pb dating of chrysocolla from supergene copper deposits in the Coastal Cordillera of northern Chile, Atacama Desert
Juan Ríos-Contesse, Richard Albert, Benedikt Ritter-Prinz, Axel Gerdes, Tibor Dunai, and Eduardo Campos
Geochronology, 8, 143–164, https://doi.org/10.5194/gchron-8-143-2026,https://doi.org/10.5194/gchron-8-143-2026, 2026
Final revised paper published in GChron (4 comments)
Short summary
25 Feb 2026
| Highlight paper
FAIR fission track analysis with geochron@home
Pieter Vermeesch, Tim Band, Jiangping He, Rex Galbraith, and Andrew Carter
Geochronology, 8, 109–118, https://doi.org/10.5194/gchron-8-109-2026,https://doi.org/10.5194/gchron-8-109-2026, 2026
Final revised paper published in GChron (4 comments)
Short summary Editorial statement
05 Feb 2026
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
Geochronology, 8, 85–107, https://doi.org/10.5194/gchron-8-85-2026,https://doi.org/10.5194/gchron-8-85-2026, 2026
Final revised paper published in GChron (4 comments)
Short summary
26 Jan 2026
Improving crystallization and eruption age estimation using U-Th disequilibrium dating of young volcanic zircon
Zoe Moser, Marcel Guillong, Chetan Nathwani, Kurumi Iwahashi, Razvan-Gabriel Popa, and Olivier Bachmann
Geochronology, 8, 63–84, https://doi.org/10.5194/gchron-8-63-2026,https://doi.org/10.5194/gchron-8-63-2026, 2026
Final revised paper published in GChron (4 comments)
Short summary
19 Jan 2026
Exploring the relationships between Electron Spin Resonance (ESR)/Luminescence (OSL/TL) properties and trace element composition from quartz in various bedrocks (Strengbach catchment, Vosges)
Hélène Tissoux, Magali Rizza, Claire Aupart, Gilles Rixhon, Pierre G. Valla, Manon Boulay, Philippe Lach, and Pierre Voinchet
Geochronology, 8, 37–61, https://doi.org/10.5194/gchron-8-37-2026,https://doi.org/10.5194/gchron-8-37-2026, 2026
Final revised paper published in GChron (4 comments)
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