Predicting geochemistry in geological samples using laser-induced breakdown spectroscopy: Effects of compositional and textural outliers

Jack D. Henry, Kirsten L. Siebach, M. Darby Dyar, Kate H. Lepore, &  Cai R. Ytsma (2025)

Predicting geochemistry in geological samples using laser-induced breakdown spectroscopy (LIBS): Effects of compositional and textural outliers.

Contribution: Writing – review & editing, Software, Methodology, Formal analysis, Data curation.

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Laser-induced breakdown spectroscopy calibration accuracies compared among four instruments, three atmospheres, and eight laser powers for 74 elements using 2157 geochemical standards.

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Empirical portable x-ray fluorescence quantification limits and accuracies for 28 elements within 1942 diverse geological standards using open-source machine learning