Fig. 3
From: Biomarker records and mineral compositions of the Messinian halite and K–Mg salts from Sicily

The μ-XRF intensity maps of O, S, Na, Cl, Mg, Al, P, and Si, together with the picture of the measured area in K-2. Color scales indicate element concentrations in signal counts per second. Black crosses in the μ-XRF intensity map of S denote μ-XANES measurement points