Appendices 1 and 2- spreadsheet (English, XLSX)

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Publisher-reported update

2026-08-26

Field-portable x-ray fluorescence analysers (pXRF) are becoming a common tool in the savvy mineral explorer’s tool kit. Benefits include portability and ease of use, real-time acquisition of XRF data with minimal processing, immediate availability and analysis of data in the field, and a reasonably large number of elements that can be measured reliably. The findings indicate that data for 15 elements obtained with an Innov-X Omega pXRF analyser (2010 version) correlate well with lithogeochemical whole-rock analyses with R² values generally =0.7. The difference in elemental abundances between pXRF analyses of thin section off-cuts (a proxy for drill core) and pulps from the whole-rock analyses are generally ± 35%, indicating that no sample preparation is needed for the rock samples analysed in this study. The uncorrected pXRF values of some elements can be very similar to whole-rock analytical abundances; however, it is recommended that uncorrected pXRF data only be used semi-quantitatively, such as for downhole elemental plots in which relative patterns or trends are more informative than individual data points. For more sophisticated plots such as those combining elements into…

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