Table 1
Chemical composition (weight %) of cherts from Taigonos Peninsula

NN Sample SiO2 TiO2 Al2O3 Fe2O3 FeO MnO CaO MgO Na2O K2O P2O5 CO2
1 C-2328 88.53 0.30 3.28 2.40 0.38 0.14 1.44 0.65 0.14 1.08 0.04 99.79 - 1.41
2 C-2328-10 88.59 0.28 2.55 0.86 0.69 0.10 2.93 0.16 0.14 0.66 0.17 99.48 - 2.35
3 C-2328-11 61.28 0.94 13.37 2.78 3.43 0.38 4.03 2.37 1.43 3.60 1.59 99.62 - 4.42
4 C-2328-9 63.58 0.87 13.50 5.38 1.97 0.35 1.88 2.18 0.54 4.61 0.25 99.35 - 4.24
5 C-2329-a 90.77 0.26 3.63 1.04 0.46 0.06 1.09 0.39 0.30 1.07 0.02 99.71 - 0.62
6 C-2329-2 68.38 0.72 11.60 4.67 1.07 0.21 4.46 1.27 2.74 3.33 0.03 100.34 - 1.86
7 C-2329-7 87.92 0.21 4.23 2.32 0.18 0.77 1.31 0.72 0.05 0.86 0.01 99.74 - 1.16
8 C-2329-8 89.89 0.10 0.72 3.00 0.22 0.02 3.71 - 0.07 0.05 0.01 99.45 1.1 1.67
9 C-2331-2 57.85 0.93 17.03 3.18 4.48 0.21 3.26 2.26 2.66 3.60 0.11 99.39 - 3.82
10 C-2331-5 58.93 0.96 16.11 6.19 2.33 0.27 2.86 3.08 2.80 3.11 0.10 99.87 - -
11 C-2332-1 89.64 0.26 3.22 0.53 1.81 0.07 1.34 0.61 0.14 0.45 0.09 99.47 - 1.31
12 C-2334-9 67.62 0.75 11.86 5.46 0.98 0.71 2.15 2.70 1.68 2.31 0.09 99.44 - 3.13
13 C-2333-8 92.28 0.17 2.49 2.17 0.54 0.01 0.69 0.41 0.01 0.90 0.01 100.22 - 0.56
14 C-2333-6 69.36 0.82 11.03 4.80 2.32 0.02 2.01 1.20 0.17 3.60 0.11 99.49 - 4.05
15 C-2333 90.07 0.32 2.69 1.01 1.23 0.02 1.52 0.54 0.14 0.62 0.01 99.44 - 1.27
16 C-2333-4 95.12 0.16 0.95 0.85 0.23 0.00 1.54 0.00 0.14 0.26 0.01 100.07 0.55 0.82
17 C-2333-7 87.54 0.21 1.45 5.07 1.78 0.02 1.36 0.43 0.14 0.20 0.01 99.43 - 1.23
18 C-2333-29 58.91 0.51 7.53 6.47 0.18 0.41 11.32 1.74 0.36 2.62 0.35 100.11 - 9.71
19 C-2333-18 21.62 0.36 4.80 3.50 0.59 0.81 36.44 0.82 1.18 1.20 0.03 99.87 28.40 28.52
20 C-2341-2 60.28 0.70 13.78 7.60 0.18 0.78 9.94 2.60 1.25 1.08 0.04 99.68 - 1.45
21 C-2337-a 94.93 0.15 1.01 1.31 0.47 0.02 0.73 0.00 0.17 0.23 0.01 99.70 0.45 0.68
22 C-2341-1 82.64 0.10 0.18 1.49 0.70 0.05 6.45 2.08 0.54 0.12 0.01 100.34 5.20 5.98
23 C-2325-2 84.80 0.21 3.54 0.23 2.04 0.16 2.80 1.62 0.27 1.02 0.05 99.01 1.70 2.28

Comment.
1-8 - Kingiveem-1 unit: 1 - Lower Jurassic radiolarite (layer 1), 2-4 - chert and cherty mudstone (layer 3), 5-6 - cherty turbidite (layer 4), 7-8 - Tithonian -Berriasian radiolarite and hydrotermal sediment (layer 5); 9-10 - tuff-siltstone and tuff-mudstone of the Kingiveem-2 unit, 11 - Middle Jurassic radiolarite of the Kingiveem-3 unit, 12-19 - Kingiveem-4 unit: 12 - Cherty mudstone matrix of the Middle Jurassic ophioliteclastic olistostrome, 13-14 - Tithonian-Berriasian radiolarite and cherty mudstone, 15-16 - cherts with hydrothermal components, 17 - hydrothermal sediment, 18 - calcareous radiolarite; 19 - interpillow limestone; 20 - tuff-siltstone of the Lagerny unit, 21-22 - Triassic radiolarite, 23 - Tithonian-Berriasian cherty mudstone from Lagerny unit.