Articles | Volume 4, issue 1
https://doi.org/10.5194/gchron-4-33-2022
https://doi.org/10.5194/gchron-4-33-2022
Research article
 | 
17 Jan 2022
Research article |  | 17 Jan 2022

A simplified isotope dilution approach for the U–Pb dating of speleogenic and other low-232Th carbonates by multi-collector ICP-MS

Andrew J. Mason, Anton Vaks, Sebastian F. M. Breitenbach, John N. Hooker, and Gideon M. Henderson

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Cited articles

Bajo, P., Drysdale, R., Woodhead, J., Hellstrom, J., and Zanchetta, G.: High-resolution U-Pb dating of an Early Pleistocene stalagmite from Corchia Cave (central Italy), Quat. Geochronol., 14, 5–17, https://doi.org/10.1016/j.quageo.2012.10.005, 2012. 
Belshaw, N. S., Freedman, P. A., O'Nions, R. K., Frank, M., and Guo, Y.: A new variable dispersion double-focusing plasma mass spectrometer with performance illustrated for Pb isotopes, Int. J. Mass Spectrom., 181, 51–58, https://doi.org/10.1016/S1387-3806(98)14150-7, 1998. 
Cheng, H., Edwards, R. L., Murrell, M. T., and Benjamin, T. M.: Uranium-thorium-protactinium dating systematics, Geochim. Cosmochim. Ac., 62, 3437–3452, https://doi.org/10.1016/S0016-7037(98)00255-5, 1998. 
Cheng, H., Lawrence Edwards, R., Shen, C. C., Polyak, V. J., Asmerom, Y., Woodhead, J., Hellstrom, J., Wang, Y., Kong, X., Spötl, C., Wang, X., and Calvin Alexander, E.: Improvements in 230Th dating, 230Th and 234U half-life values, and U-Th isotopic measurements by multi-collector inductively coupled plasma mass spectrometry, Earth Planet. Sc. Lett., 371–372, 82–91, https://doi.org/10.1016/j.epsl.2013.04.006, 2013. 
Cliff, R. A., Spötl, C., and Mangini, A.: U-Pb dating of speleothems from Spannagel Cave, Austrian Alps: A high resolution comparison with U-series ages, Quat. Geochronol., 5, 452–458, https://doi.org/10.1016/j.quageo.2009.12.002, 2010. 
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Short summary
A novel technique for the uranium–lead dating of geologically young carbonates is described and tested. The technique expands our ability to date geological events such as fault movements and past climate records.