Table 1: Composition of clinopyroxene, plagioclase, and glass shards in the Sabalan volcanic rocks.
(a)

NameS2S2S5S5S5S9S9S9S9S9S4S4S4
MineralCpxCpxCpxCpxCpxCpxCpxCpxCpxCpxCpxCpxCpx

SiO253.1652.9451.3352.4052.5650.1352.3251.6752.8150.4750.6452.6652.16
TiO20.820.470.760.950.420.800.460.710.550.950.590.280.45
Al2O32.221.992.442.521.342.671.221.931.112.102.782.712.51
Cr2O30.140.000.310.000.160.000.000.020.000.000.020.720.18
FeO*8.268.948.748.939.478.809.078.388.869.448.396.366.46
MnO0.370.740.570.510.590.550.360.190.530.420.360.310.21
MgO15.0715.0114.6714.2914.8414.8714.7815.1915.3915.3515.3716.6016.81
CaO20.0519.3719.8019.9319.7020.1019.1620.5120.1220.0620.2419.6020.19
Na2O0.460.460.590.450.490.370.340.460.420.680.320.380.40
K2O0.000.010.000.000.000.020.010.050.030.050.050.010.07
NiO0.070.190.000.030.000.000.000.010.180.030.060.080.00
BaO0.280.000.000.000.000.000.210.000.000.000.000.430.14
F0.000.000.000.250.080.000.120.000.160.120.000.040.00
Cl0.000.000.020.050.090.000.000.000.000.050.030.000.00

Total100.89100.1099.23100.3299.7498.3198.0599.11100.1499.7098.83100.1899.57

Mg#0.760.750.750.740.740.750.740.760.760.740.770.820.82
Cr#0.040.000.080.000.070.000.000.010.000.000.000.150.04

En0.440.440.430.430.430.430.440.440.440.440.440.480.48
Fs0.140.150.150.150.150.140.150.140.140.150.140.100.10
Wo0.420.410.420.430.410.420.410.430.420.410.420.410.42

Si1.951.961.931.941.971.901.981.941.961.901.911.941.93
Ti0.020.010.020.030.010.020.010.020.020.030.020.010.01
Al0.100.090.110.110.060.120.050.090.050.090.120.120.11
Cr0.000.000.010.000.000.000.000.000.000.000.000.020.01
Fe*0.250.280.270.280.300.280.290.260.280.300.260.200.20
Mn0.010.020.020.020.020.020.010.010.020.010.010.010.01
Mg0.830.830.820.790.830.840.830.850.850.860.860.910.93
Ca0.790.770.800.790.790.820.780.820.800.810.820.770.80
Na0.030.030.040.030.040.030.030.030.030.050.020.030.03
K0.000.000.000.000.000.000.000.000.000.000.000.000.00
Ni0.000.010.000.000.000.000.000.000.010.000.000.000.00

Total3.994.004.023.994.014.033.994.024.014.054.034.004.02

(b)

NameS2S2S2S9S9S9S9S5S5S4S4S4
MineralPlagPlagPlagPlagPlagPlagPlagPlagPlagPlagPlagPlag

SiO256.98457.37457.79758.69158.50358.33055.21951.09350.66652.33852.59255.365
TiO20.1620.0670.0800.0800.1170.0520.0730.0730.0220.0580.0000.022
Al2O326.21026.15925.61725.60224.41123.40826.42229.91029.61728.54228.95927.208
Cr2O30.0000.0630.0000.0320.0000.0000.0320.0000.1140.0320.0000.292
FeO0.5420.5930.6830.4500.5360.4000.5960.5330.9380.6910.5171.065
MnO0.0610.0000.0000.0870.0000.0000.0000.0000.0000.0000.0000.000
MgO0.0280.0170.0130.0070.0230.0230.0400.0300.1010.0610.0550.088
CaO8.8028.7957.6567.0857.0947.5269.54412.94712.45112.06012.0059.777
Na2O5.5835.8266.1916.5586.6836.8625.7694.2453.7224.8084.8735.364
K2O0.9421.0061.2031.0831.3411.4430.9180.2610.2550.4250.3130.597
NiO0.0000.0410.0410.0000.0550.0000.0000.1360.0000.0550.0000.150
BaO0.0000.0000.1430.2150.3580.0000.0710.0710.2150.0710.1440.071
F0.0000.0000.0000.2050.0410.1230.1240.1680.0000.0000.0000.083
Cl0.0000.0160.0050.0000.0260.0320.0160.0000.0680.0000.0110.032

Total99.31499.95599.430100.09599.18998.19998.82499.46698.16999.14199.469100.115

An%46.56045.48240.59637.38436.97237.73747.76062.76264.89658.09157.65350.181

Si2.5822.5872.6182.6392.6622.6802.5352.3502.3582.4092.4092.511
Ti0.0060.0020.0030.0030.0040.0020.0030.0030.0010.0020.0000.001
Al1.4001.3901.3681.3571.3091.2671.4301.6211.6241.5481.5631.454
Cr0.0000.0020.0000.0010.0000.0000.0010.0000.0040.0010.0000.010
Fe*0.0210.0220.0260.0170.0200.0150.0230.0210.0370.0270.0200.040
Mn0.0020.0000.0000.0030.0000.0000.0000.0000.0000.0000.0000.000
Mg0.0020.0010.0010.0000.0020.0020.0030.0020.0070.0040.0040.006
Ca0.4270.4250.3720.3410.3460.3700.4690.6380.6210.5950.5890.475
Na0.4910.5090.5440.5720.5900.6110.5140.3790.3360.4290.4330.472
K0.0540.0580.0700.0620.0780.0850.0540.0150.0150.0250.0180.035
Ni0.0000.0010.0010.0000.0020.0000.0000.0050.0000.0020.0000.005

Total4.9854.9985.0024.9965.0135.0325.0315.0345.0035.0425.0355.009

(c)

NameS2S2S5S5S9S9S9S4S4
MineralGlassGlassGlassGlassGlassGlassGlassGlassGlass

SiO275.3275.74873.4174.52868.30572.2866.70572.30772.793
TiO20.8290.8270.8070.7560.2120.9520.331.1131.146
Al2O312.86312.56714.01814.06317.43213.49518.5514.15214.029
Cr2O30.0640.0480.0320.0320.0320.114000.08
FeO0.7731.8530.7730.7320.5781.40.9081.4242.7
MnO000.0090.0430.0940000.035
MgO0.0410.0410.0030.0250.0360.0510.0460.0510.065
CaO0.3150.2590.1860.2591.0870.3162.1630.3270.227
Na2O2.5992.2052.5362.995.3463.3176.422.0622.092
K2O6.1257.1717.938.1696.1455.9933.6457.3775.853
NiO00.027000.0550.04100.0550
BaO000.07100.6440000
F0.2100.04200.0410.3760.28500
Cl0.2030.1170.0960.0740.0580.1650.0850.1590.042

Total99.343100.86399.727101.671100.06598.599.13999.02899.063

: Mg number, : total iron.