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Table 2 Elemental composition in bottom sediments and the benthos microbial community of Zavarzin.

From: Molecular analysis of the benthos microbial community in Zavarzin thermal spring (Uzon Caldera, Kamchatka, Russia)

Elemental composition Units Sulfur bottom sediments (Cs) Cyanobacterial community along the edge of the gryphon Enclosing lake deposits (CL) Benthos community (Cc) Cc-CL Log (Cs/Cw) Log (Cc/Cw)
Ca % 0.15 0.2 1.7 1.4 ~* 2 -
Na % 0.1 0.08 1.2 1.2 ~ 1 -
K % 0.25 0.28 1.9 0.85 ~ 3 -
Sc ppm 1.8 1.4 17.0 17.1 ~ n.d. -
Ti % 0.04 0.03 0.90 0.90 ~ 6 -
V ppm < 0.05 < 0.05 160 113 ~ 3 -
Cr ppm < 3 < 2 7.5 9 ~ 4 -
Mn ppm 6 3 89 94 ~ 2 -
Fe % 0.4 0.3 5.0 4.6 ~ 5 -
Co ppm 1.3 0.9 13.5 13.3 ~ 4 -
Ni ppm 10.0 7.5 11.5 12.2 ~ 5 -
Cu ppm 17.7 19.2 24.5 38.0 13.5 5 5
Zn ppm 22.5 20.5 66.0 60.5 ~ 2 -
Ga ppm 5.6 5.0 19.2 16.5 ~ 5 -
Ge ppm < 0.05 < 0.05 2.4 < 0.05 ~ 2 -
As ppm 27 16 52 122 70 3 4
Se ppm < 0.05 < 0.05 < 0.05 0.7 0.7 2 3
Br ppm 7.9 8.7 4.0 82.5 78.5 2 3
Rb ppm 0.4 0.5 21.5 9.5 ~ 2 -
Sr ppm 13.5 10.6 280.0 154.0 ~ 2 -
Y ppm 3.2 2.4 22.6 25.0 ~ 6 -
Zr ppm 17.0 10.3 141.5 154.5 ~ 6 -
Nb ppm 0.4 0.5 3.4 3.2 ~ 6 -
Mo ppm 0.25 0.28 1.40 1.45 ~ 4 -
Ag ppm 0.42 0.35 0.30 0.30 ~ 4 -
Cd ppm 0.20 0.40 0.70 0.45 ~ 5 -
Sn ppm 0.55 1.15 1.50 1.90 ~ 5 -
Sb ppm 3.4 0.4 1.4 3.0 1.6 5 5
Te ppm 0.34 < 0.05 < 0.05 0.27 ~ 5 -
I ppm 0.34 0.32 0.93 0.20 ~ 2 -
Cs ppm 0.4 0.2 1.3 1.55 ~ 2 -
Hg ppm 190 163 20 1300 1280 5 6
Pb ppm 2.7 3.8 10.5 11.7 ~ 4 -
Th ppm 0.3 n.d. 1.5 1.5 ~ 6 -
U ppm 0.05 1.4 2.55 0.675 ~ 5 -