Table 3 Representative analyses of amphibole, plagioclase and K-feldspar from the June Complex
From: Tectonic significance of Triassic mafic rocks in the June Complex, Sanandaj–Sirjan zone, Iran
Unit | June Complex | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sample no. and type | P-147-actinolite-bearing greenschist | P-149-talc-bearing greenschist | ||||||||||||
Mineral | Amph | Amph | ||||||||||||
SiO2 | 43.91 | 43.33 | 56.84 | 55.56 | 56.92 | 52.56 | 51.52 | 47.70 | 44.66 | 57.25 | 56.51 | 57.43 | 53.36 | 52.92 |
Al2O3 | 8.70 | 9.31 | 0.20 | 1.34 | 0.59 | 3.80 | 4.36 | 7.03 | 8.85 | 0.43 | 1.26 | 2.80 | 3.79 | 3.06 |
MgO | 14.37 | 14.23 | 19.28 | 19.13 | 19.29 | 15.27 | 15.22 | 14.45 | 14.40 | 19.56 | 14.34 | 15.88 | 16.43 | 17.51 |
Na2O | 2.64 | 2.70 | 0.05 | 0.62 | 0.08 | 0.68 | 0.79 | 1.67 | 2.70 | 0.27 | 0.42 | 1.14 | 0.90 | 0.19 |
CaO | 10.87 | 11.07 | 13.11 | 12.31 | 13.00 | 12.60 | 12.65 | 11.58 | 10.94 | 12.74 | 12.36 | 11.62 | 12.06 | 10.97 |
TiO2 | 2.78 | 3.39 | 0.02 | 0.02 | 0.02 | 0.03 | 0.07 | 2.56 | 2.89 | 0.05 | 0.08 | 0.01 | 0.07 | 0.07 |
FeO | 11.35 | 12.33 | 7.54 | 7.76 | 7.81 | 12.14 | 11.27 | 11.30 | 11.57 | 6.24 | 9.47 | 9.10 | 11.08 | 12.01 |
MnO | 0.20 | 0.26 | 0.16 | 0.16 | 0.15 | 0.23 | 0.22 | 0.18 | 0.22 | 0.17 | 0.13 | 0.16 | 0.14 | 0.15 |
Cr2O3 | 0.03 | 0.00 | 0.03 | 0.00 | 0.00 | 0.07 | 0.71 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.05 |
K2O | 0.71 | 0.72 | 0.00 | 0.05 | 0.00 | 0.07 | 0.08 | 0.55 | 0.74 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 |
Total | 95.55 | 97.33 | 97.24 | 96.96 | 97.86 | 97.45 | 96.88 | 97.03 | 96.97 | 96.73 | 94.57 | 98.14 | 97.86 | 96.92 |
Per O | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
Si | 6.59 | 6.43 | 8.00 | 7.86 | 7.97 | 7.59 | 7.48 | 6.98 | 6.61 | 8.04 | 8.20 | 8.02 | 7.61 | 7.62 |
Al | 1.54 | 1.63 | 0.03 | 0.22 | 0.10 | 0.65 | 0.75 | 1.21 | 1.54 | 0.07 | 0.22 | 0.46 | 0.64 | 0.52 |
Mg | 3.22 | 3.15 | 4.05 | 4.04 | 4.02 | 3.29 | 3.30 | 3.15 | 3.18 | 4.09 | 3.10 | 3.30 | 3.49 | 3.76 |
Na | 0.77 | 0.78 | 0.01 | 0.17 | 0.02 | 0.19 | 0.22 | 0.47 | 0.78 | 0.07 | 0.12 | 0.31 | 0.25 | 0.05 |
Ca | 1.75 | 1.76 | 1.98 | 1.87 | 1.95 | 1.95 | 1.97 | 1.82 | 1.73 | 1.92 | 1.92 | 1.74 | 1.84 | 1.69 |
Ti | 0.31 | 0.38 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.28 | 0.32 | 0.01 | 0.01 | 0.00 | 0.01 | 0.01 |
Fe | 1.43 | 1.53 | 0.89 | 0.92 | 0.91 | 1.47 | 1.37 | 1.38 | 1.43 | 0.73 | 1.15 | 1.06 | 1.32 | 1.45 |
Mn | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 |
Cr | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
K | 0.14 | 0.14 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.10 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Total | 38.77 | 38.83 | 37.98 | 38.11 | 37.99 | 38.18 | 38.22 | 38.42 | 38.76 | 37.96 | 37.74 | 37.91 | 38.19 | 38.13 |
AlIV | 1.46 | 1.59 | 0.00 | 0.16 | 0.03 | 0.45 | 0.55 | 0.15 | 1.05 | 1.40 | 0.00 | 0.00 | 0.43 | 0.43 |
AlVI | 0.07 | 0.03 | 0.03 | 0.06 | 0.07 | 0.19 | 0.19 | 0.49 | 0.15 | 0.08 | 0.21 | 0.46 | 0.30 | 0.08 |
Mg# | 0.69 | 0.67 | 0.82 | 0.81 | 0.81 | 0.69 | 0.71 | 0.70 | 0.69 | 0.85 | 0.73 | 0.76 | 0.73 | 0.72 |
Unit | June Complex | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sample no. and type | P-149-talc-bearing greenschist | P-119-metagabbroic greenschists | ||||||||||||
Mineral | Amph | Pl | Kfs | Pl | Amph | |||||||||
SiO2 | 55.05 | 53.55 | 55.39 | 64.21 | 67.39 | 64.96 | 60.23 | 57.69 | 58.45 | 59.87 | 44.87 | 45.29 | 47.81 | 46.92 |
Al2O3 | 2.05 | 2.24 | 1.25 | 20.05 | 19.21 | 18.10 | 24.37 | 25.93 | 25.46 | 24.63 | 11.67 | 10.95 | 9.12 | 9.38 |
MgO | 13.95 | 14.64 | 14.14 | 1.08 | 0.56 | 0.27 | 0.00 | 0.00 | 0.00 | 0.03 | 12.67 | 12.84 | 13.92 | 13.86 |
Na2O | 0.45 | 0.22 | 0.25 | 9.72 | 10.62 | 0.26 | 8.10 | 7.05 | 7.42 | 7.97 | 1.73 | 1.63 | 1.32 | 1.38 |
CaO | 12.51 | 12.30 | 12.42 | 1.13 | 0.25 | 0.14 | 6.09 | 7.93 | 7.35 | 6.43 | 11.50 | 11.70 | 11.60 | 11.69 |
TiO2 | 0.01 | 1.07 | 0.47 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.01 | 0.54 | 0.54 | 0.39 | 0.36 |
FeO | 10.24 | 10.15 | 10.37 | 1.64 | 0.75 | 0.75 | 0.00 | 0.09 | 0.04 | 0.00 | 14.00 | 13.92 | 12.99 | 12.51 |
MnO | 0.16 | 0.12 | 0.15 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.33 | 0.28 | 0.31 | 0.31 |
Cr2O3 | 0.04 | 0.04 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.07 | 0.01 | 0.00 |
K2O | 0.00 | 0.00 | 0.00 | 0.05 | 0.05 | 15.64 | 0.03 | 0.04 | 0.03 | 0.04 | 0.17 | 0.16 | 0.10 | 0.09 |
Total | 94.47 | 94.31 | 94.44 | 97.92 | 98.8 | 100.1 | 98.81 | 98.74 | 98.75 | 98.98 | 99.58 | 99.44 | 99.65 | 98.97 |
Per O | 23 | 23 | 23 | 32 | 32 | 32 | 8 | 8 | 8 | 8 | 24 | 24 | 24 | 24 |
Si | 8.06 | 7.87 | 8.11 | 11.6 | 11.93 | 11.99 | 2.71 | 2.61 | 2.64 | 2.69 | 6.54 | 6.61 | 6.91 | 6.83 |
Al | 0.35 | 0.39 | 0.22 | 4.3 | 4.01 | 3.94 | 1.29 | 1.38 | 1.36 | 1.30 | 2.00 | 1.88 | 1.55 | 1.61 |
Mg | 3.04 | 3.21 | 3.09 | 0.3 | 0.15 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 2.75 | 2.79 | 3.00 | 3.01 |
Na | 0.13 | 0.06 | 0.07 | 3.4 | 3.65 | 0.09 | 0.71 | 0.62 | 0.65 | 0.69 | 0.49 | 0.46 | 0.37 | 0.39 |
Ca | 1.96 | 1.94 | 1.95 | 0.2 | 0.05 | 0.03 | 0.29 | 0.38 | 0.36 | 0.31 | 1.80 | 1.83 | 1.80 | 1.82 |
Ti | 0.00 | 0.12 | 0.05 | 0.0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.06 | 0.04 | 0.04 |
Fe | 1.25 | 1.25 | 1.27 | 0.2 | 0.11 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 1.64 | 1.64 | 1.52 | 1.50 |
Mn | 0.02 | 0.01 | 0.02 | 0.0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.03 | 0.04 | 0.04 |
Cr | 0.00 | 0.00 | 0.00 | 0.0 | 0.00 | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | ||||
K | 0.00 | 0.00 | 0.00 | 0.0 | 0.01 | 3.68 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.03 | 0.02 | 0.02 |
Total | 37.83 | 37.85 | 37.77 | 52.00 | 51.90 | 51.93 | 5.00 | 5.00 | 5.01 | 5.00 | 17.37 | 17.36 | 17.26 | 17.28 |
AlIV | 0.32 | 0.09 | 0.19 | 1.45 | 1.38 | 1.08 | 1.16 | |||||||
AlVI | 0.00 | 0.30 | 0.00 | 0.54 | 0.49 | 0.46 | 0.44 | |||||||
Mg# | 0.71 | 0.72 | 0.71 | 0.72 | 0.72 | 0.73 | 0.74 | |||||||
XAb | 0.936 | 0.984 | 0.024 | 0.71 | 0.62 | 0.64 | 0.69 | |||||||
XAn | 0.060 | 0.013 | 0.007 | 0.29 | 0.38 | 0.35 | 0.31 | |||||||
XOr | 0.003 | 0.003 | 0.968 | 0.00 | 0.00 | 0.00 | 0.00 | |||||||