Articles | Volume 5, issue 1
Short communication/technical note
13 Jan 2023
Short communication/technical note |  | 13 Jan 2023

Technical note: A software framework for calculating compositionally dependent in situ 14C production rates

Alexandria J. Koester and Nathaniel A. Lifton

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Cited articles

Balco, G.: Production rate calculations for cosmic-ray-muon-produced 10Be and 26Al benchmarked against geological calibration data, Quat. Geochronol., 39, 150–173,, 2017. 
Balco, G., Stone, J. O., Lifton, N. A., and Dunai, T. J.: A complete and easily accessible means of calculating surface exposure ages or erosion rates from 10Be and 26Al measurements, Quat. Geochronol., 3, 174–195,, 2008. 
Barthelmy, D.: Mineralogy Database, David Barthelmy, (last access: 8 July 2020), 2014. 
Borchers, B., Marrero, S., Balco, G., Caffee, M., Goehring, B., Lifton, N., Nishiizumi, K., Phillips, F., Schaefer, J., and Stone, J.: Geological calibration of spallation production rates in the CRONUS-Earth project, Quat. Geochronol., 31, 188–198,, 2016. 
Briner, J. P., Lifton, N. A., Miller, G. H., Refsnider, K., Anderson, R., and Finkel, R.: Using in situ cosmogenic 10Be, 14C, and 26Al to decipher the history of polythermal ice sheets on Baffin Island, Arctic Canada, Quat. Geochronol., 19, 4–13,, 2014. 
Short summary
In situ 14C’s short half-life (5.7 kyr) is unique among cosmogenic nuclides, making it sensitive to complex exposure and burial histories since 25 ka. Current extraction methods focus on quartz, but the ability to extract it from other minerals would expand applications. We developed MATLAB® scripts to calculate in situ 14C production rates from a broad range of mineral compositions. Results confirm O, Si, Al, and Mg as key targets but also find significant production from Na for the first time.