Fig. 3

T-SNE cluster analyses of the MA-XRF data showing the 18 clusters (a–d) as color projections on top of the Pb-L map (left), together with their spectral line intensities (middle), and tSNE plots (right)

T-SNE cluster analyses of the MA-XRF data showing the 18 clusters (a–d) as color projections on top of the Pb-L map (left), together with their spectral line intensities (middle), and tSNE plots (right)