Table 6.

Results of similarity matrix of soil samples

	Mine 1	Mine 2	Mine 3	BKG	Case 1	Case 2	Case 3	Case 4	Case 5	Case 6	Case 7	Control 1	Control 2	Control 3
Mine 1		0.593	0.630	0.587	0.667	0.645	0.602	0.646	0.623	0.655	0.653	0.600	0.603	0.598
Mine 2	0.593		0.303	0.611	0.444	0.532	0.665	0.637	0.636	0.668	0.626	0.627	0.627	0.642
Mine 3	0.630	0.303		0.395	0.715	0.479	0.358	0.450	0.412	0.434	0.467	0.401	0.412	0.421
BKGa	0.587	0.611	0.395		0.655	0.731	0.755	0.917	0.934	0.891	0.894	0.956	0.919	0.930
Case 1	0.667	0.444	0.715	0.655		0.737	0.596	0.704	0.663	0.684	0.732	0.662	0.672	0.682
Case 2	0.645	0.532	0.479	0.731	0.737		0.790	0.790	0.775	0.736	0.812	0.758	0.789	0.763
Case 3	0.6302	0.665	0.358	0.755	0.596	0.790		0.799	0.809	0.774	0.805	0.785	0.796	0.786
Case 4	0.646	0.637	0.450	0.917	0.704	0.790	0.799		0.944	0.902	0.936	0.907	0.925	0.927
Case 5	0.623	0.636	0.412	0.937	0.663	0.775	0.809	0.944		0.897	0.928	0.931	0.936	0.931
Case 6	0.655	0.668	0.434	0.891	0.684	0.736	0.774	0.902	0.897		0.867	0.874	0.863	0.867
Case 7	0.653	0.626	0.467	0.894	0.732	0.812	0.805	0.936	0.928	0.867		0.917	0.911	0.915
Control 1	0.600	0.627	0.401	0.956	0.662	0.758	0.785	0.907	0.931	0.874	0.917		0.931	0.937
Control 2	0.603	0.627	0.412	0.919	0.672	0.789	0.796	0.925	0.936	0.863	0.911	0.931		0.955
Control 3	0.598	0.642	0.421	0.930	0.682	0.763	0.786	0.927	0.931	0.867	0.915	0.937	0.955

^aBackground area