Articles | Volume 7, issue 1
https://doi.org/10.5194/gchron-7-1-2025
https://doi.org/10.5194/gchron-7-1-2025
Short communication/technical note
 | 
06 Jan 2025
Short communication/technical note |  | 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

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Cited articles

Akers, P. D., Brook, G. A., Railsback, L. B., Liang, F. Y., Iannone, G., Webster, J. W., Reeder, P. P., Cheng, H., and Edwards, R. L.: An extended and higher-resolution record of climate and land use from stalagmite MC01 from Macal Chasm, Belize, revealing connections between major dry events, overall climate variability, and Maya sociopolitical changes, Palaeogeogr. Palaeocl., 459, 268–288, https://doi.org/10.1016/j.palaeo.2016.07.007, 2016. 
Akers, P. D., Brook, G. A., Railsback, L. B., Cherkinksy, A., Liang, F., Ebert, C. E., Hoggarth, J. A., Awe, J. J., Cheng, H., and Edwards, R. L.: Integrating U-Th, 14C, and 210Pb methods to produce a chronologically reliable isotope record for the Belize River Valley Maya from a low-uranium stalagmite, Holocene, 29, 1234–1248, https://doi.org/10.1177/0959683619838047, 2019. 
Andersen, M. B., Stirling, C. H., Potter, E. K., and Halliday, A. N.: Toward epsilon levels of measurement precision on 234U/238U by using MC-ICPMS, Int. J. Mass Spectrom., 237, 107–118, https://doi.org/10.1016/j.ijms.2004.07.004, 2004. 
Beck, J. W., Richards, D. A., Edwards, R. L., Silverman, B. W., Smart, P. L., Donahue, D. J., Hererra-Osterheld, S., Burr, G. S., Calsoyas, L., Jull, A. J., and Biddulph, D.: Extremely large variations of atmospheric 14C concentration during the last glacial period, Science, 292, 2453–2458, https://doi.org/10.1126/science.1056649, 2001. 
Bourdon, B., Turner, S., Henderson, G. M., and Lundstrom, C. C.: Introduction to U-series Geochemistry, Rev. Miner. Geochem., 52, 1–21, https://doi.org/10.2113/0520001, 2003. 
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Short summary
A stand-alone data analysis application for Th/U dating on multi-collector inductively coupled plasma mass spectrometers features a Python-based algorithm with a graphical user interface. It handles data treatment, corrections, age calculus, and error estimation and supports various detector layouts including Faraday and electron multiplier detectors. Key features include reproducibility, user-friendly reanalysis, and automated data storage. A case study demonstrates the software’s performance.
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