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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)

Short summary

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 2025

Anomalous fading correction in luminescence dating – a mathematical reappraisal

Benny Guralnik and Georgina Elizabeth King

EGUsphere, https://doi.org/10.5194/egusphere-2025-4186,https://doi.org/10.5194/egusphere-2025-4186, 2025

Revised manuscript accepted for GChron (discussion: final response, 7 comments)

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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

Final revised paper published in GChron (7 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

Final revised paper published in GChron (7 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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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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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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23 Apr 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

EGUsphere, https://doi.org/10.5194/egusphere-2026-2284,https://doi.org/10.5194/egusphere-2026-2284, 2026

Revised manuscript under review for GChron (discussion: final response, 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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30 Dec 2025

Technical Note: Design, construction, automation, and calibration of a low-volume He measurement line optimized for laser-ablation analyses

James R. Metcalf and Rebecca M. Flowers

EGUsphere, https://doi.org/10.5194/egusphere-2025-6263,https://doi.org/10.5194/egusphere-2025-6263, 2025

Revised manuscript accepted for GChron (discussion: final response, 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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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

Final revised paper published in GChron (6 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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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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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

Preprint 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

Preprint under review for GChron (discussion: final response, 4 comments)

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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

Preprint under review for GChron (discussion: final response, 4 comments)

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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

Preprint 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 under review for GChron (discussion: final response, 4 comments)

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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)

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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)

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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)

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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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16 Jan 2026

Cosmogenic ³He exposure dating in mafic rocks by “Virtual mineral separation” of pyroxene

Marie Bergelin, Greg Balco, and Richard A. Ketcham

Geochronology, 8, 19–35, https://doi.org/10.5194/gchron-8-19-2026,https://doi.org/10.5194/gchron-8-19-2026, 2026

Final revised paper published in GChron (4 comments)

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16 Dec 2025

A progressively elevated temperature (PET) IRSL SAR procedure – first experiments and results

Annette Kadereit, Mariana Sontag-González, Sebastian Kreutzer, Marco Colombo, Christoph Schmidt, and Paul R. Hanson

EGUsphere, https://doi.org/10.5194/egusphere-2025-5978,https://doi.org/10.5194/egusphere-2025-5978, 2025

Revised manuscript under review for GChron (discussion: final response, 4 comments)

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04 Dec 2025

Technical note: Investigation into the relationship between zircon structural damage and Pb mobility using chemical abrasion, SIMS, Raman spectroscopy, and atom probe tomography

Charles W. Magee Jr., Lutz Nasdala, Renelle Dubosq, Baptiste Gault, and Simon Bodorkos

Geochronology, 7, 591–602, https://doi.org/10.5194/gchron-7-591-2025,https://doi.org/10.5194/gchron-7-591-2025, 2025

Final revised paper published in GChron (4 comments)

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24 Nov 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. Simões, and Ricardo Fernandes

Geochronology, 7, 583–589, https://doi.org/10.5194/gchron-7-583-2025,https://doi.org/10.5194/gchron-7-583-2025, 2025

Final revised paper published in GChron (4 comments)

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18 Nov 2025

OSLThermo and ESRThermo: Libraries of codes for trapped-charge thermochronometry

Chloé Bouscary, Georgina E. King, Melanie Kranz-Bartz, Maxime Bernard, Rabiul H. Biswas, Lily Bossin, Arnaud Duverger, Benny Guralnik, Frédéric Herman, Ugo Nanni, Nadja Stalder, Pierre G. Valla, Vjeran Visnjevic, and Xiaoxia Wen

EGUsphere, https://doi.org/10.5194/egusphere-2025-5474,https://doi.org/10.5194/egusphere-2025-5474, 2025

Revised manuscript under review for GChron (discussion: final response, 4 comments)

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12 Nov 2025

Simplified modeling of the impact of lithospheric-scale geological processes on thermal histories and low-temperature thermochronometers

Dawn A. Kellett and David M. Whipp

EGUsphere, https://doi.org/10.5194/egusphere-2025-5403,https://doi.org/10.5194/egusphere-2025-5403, 2025

Revised manuscript accepted for GChron (discussion: final response, 4 comments)

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03 Nov 2025

Technical note: Improved calculation of volume, F_T 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

Final revised paper published in GChron (4 comments)

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27 Oct 2025

StratoBayes: a Bayesian method for automated stratigraphic correlation and age modelling

Kilian Eichenseer, Matthias Sinnesael, Martin R. Smith, and Andrew R. Millard

Geochronology, 7, 545–570, https://doi.org/10.5194/gchron-7-545-2025,https://doi.org/10.5194/gchron-7-545-2025, 2025

Final revised paper published in GChron (4 comments)

Short summary

22 Oct 2025

Diffusion kinetics of ³He in pyroxene and plagioclase and applications to cosmogenic exposure dating and paleothermometry in mafic rocks

Marie Bergelin, Andrew L. Gorin, Greg Balco, and William S. Cassata

Geochronology, 7, 493–511, https://doi.org/10.5194/gchron-7-493-2025,https://doi.org/10.5194/gchron-7-493-2025, 2025

Final revised paper published in GChron (4 comments)

Short summary

04 Sep 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, Jahandar Ramezani, Simon Tapster, Marion Tichomirowa, Albrecht von Quadt, and Corey J. Wall

Geochronology, 7, 409–425, https://doi.org/10.5194/gchron-7-409-2025,https://doi.org/10.5194/gchron-7-409-2025, 2025

Final revised paper published in GChron (4 comments)

Short summary

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

Final revised paper published in GChron (4 comments)

Short summary

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

Final revised paper published in GChron (4 comments)

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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

Final revised paper published in GChron (4 comments)

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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

Final revised paper published in GChron (4 comments)

Short summary