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Table 2 Results of XRPD studies of the analyzed samples

From: Vivianite formation as indicator of human impact in porous sediments

Sample Quartz Plagioclase K-feldspar Calcite Chlorite Illite ± muscovite Vivianite
5.2 m (soil) 63 13 3 2 19
5.2–6.6 m (soil) 64 13 8 9 6
7.6–8.5 m (separated vivianite) 27 9 3 11 20 30