Table 6

Representative microprobe analyses of plagioclase in mafic granulites

SampleTKL02-2TKL18-4MS02-3
MineralPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPl
TexturePl-1Pl-2Incl.Pl-1Pl-2Incl.Pl-1Pl-2Pl-s1Pl-s2Incl.
Domaincorerimcorerimcorerimcorerimcoremantlerimcorerim
SiO2 (wt%)58.9255.7054.2553.7559.1659.2254.2554.9854.8257.0657.2453.6950.9955.4953.2448.5747.8656.67
TiO20.010.000.030.000.000.000.000.000.000.040.000.030.000.000.000.000.000.00
Al2O325.3427.5928.5628.8325.3325.1628.4728.1228.0626.1626.5428.6929.9627.8528.8631.8933.1026.72
Cr2O30.000.000.000.000.000.010.050.000.000.040.010.030.000.010.030.000.020.00
FeO0.120.150.160.150.110.160.300.130.310.580.080.370.540.140.250.710.310.17
MnO0.020.030.000.050.000.010.000.000.000.030.000.000.000.010.010.000.010.00
MgO0.000.020.010.010.000.010.010.010.000.030.020.010.140.000.010.000.010.03
CaO7.3910.8511.0312.177.416.9910.6710.5111.488.859.2412.3514.1011.2812.3515.8416.7810.08
Na2O6.754.904.834.216.647.175.325.444.876.015.994.393.424.924.272.121.485.39
K2O0.570.370.390.380.560.500.250.190.200.420.310.140.140.210.180.040.030.40
Total99.1399.6399.2899.5799.2299.2599.3599.3999.7799.2999.4499.7499.3599.9399.2399.2599.6399.48
O cations888888888888888888
Si (p.f.u.)2.6532.5172.4662.4422.6592.6632.4652.4922.4812.5812.5802.4372.3402.5022.4292.2402.1992.559
Ti0.0000.0000.0010.0000.0000.0000.0000.0000.0000.0010.0000.0010.0000.0000.0000.0000.0000.000
Al1.3451.4701.5301.5441.3421.3341.5251.5021.4971.3951.4111.5351.6211.4811.5521.7341.7931.423
Cr0.0000.0000.0000.0000.0000.0000.0020.0000.0000.0010.0000.0010.0000.0000.0010.0000.0010.000
Fe3+0.0050.0060.0060.0060.0040.0060.0110.0050.0120.0220.0030.0140.0210.0050.0100.0270.0120.006
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0010.0010.0000.0020.0000.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.000
Mg0.0000.0010.0010.0010.0000.0010.0010.0010.0000.0020.0010.0010.0100.0000.0010.0000.0010.002
Ca0.3570.5250.5370.5920.3570.3370.5200.5100.5570.4290.4460.6010.6930.5450.6040.7830.8260.488
Na0.5890.4290.4260.3710.5790.6250.4690.4780.4270.5270.5240.3860.3040.4300.3780.1900.1320.472
K0.0330.0210.0230.0220.0320.0290.0140.0110.0120.0250.0180.0080.0080.0120.0100.0020.0020.023
XAn0.360.540.540.600.370.340.520.510.560.440.450.600.690.550.610.800.860.50
SiO2 (wt%)57.0755.5951.3453.7053.2647.5748.7156.2953.9854.3349.6353.4148.4146.2046.5454.55
TiO20.000.000.000.010.040.000.000.010.000.010.000.010.010.000.000.04
Al2O326.7027.7830.6227.8929.2332.2332.3426.8929.0229.0032.2429.3732.9434.4234.2228.98
Cr2O30.000.000.000.000.010.000.030.030.020.030.020.000.000.010.010.02
FeO0.130.120.330.150.000.800.300.370.120.160.170.120.170.350.300.09
MnO0.000.030.000.010.030.000.000.000.000.020.020.010.020.000.020.04
MgO0.020.000.010.020.140.550.010.010.020.010.000.000.000.000.000.02
CaO9.5511.0714.5710.8412.1315.1916.129.5610.7510.8814.8211.1915.1317.3217.1910.92
Na2O5.644.612.975.004.382.431.965.715.064.662.854.562.581.391.544.70
K2O0.400.300.100.340.270.130.080.440.430.380.160.330.110.040.060.34
Total99.5299.5699.9897.98#####98.9999.5899.3599.4099.5099.9499.0199.3899.7799.9199.69
O cations8888888888888888
Si (p.f.u.)2.5722.5122.3362.4742.4102.2042.2362.5482.4512.4602.2652.4342.2252.1282.1402.465
Ti0.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.001
Al1.4191.4801.6431.5151.5591.7601.7501.4351.5531.5481.7351.5781.7851.8701.8561.544
Cr0.0000.0000.0000.0000.0000.0000.0010.0010.0010.0010.0010.0000.0000.0000.0000.001
Fe3+0.0050.0060.0130.0060.0260.0310.0120.0140.0040.0060.0070.0040.0060.0130.0120.003
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0000.0010.0000.0000.0010.0000.0000.0000.0000.0010.0010.0010.0010.0000.0010.001
Mg0.0010.0000.0010.0010.0090.0380.0010.0010.0010.0010.0000.0000.0000.0000.0000.001
Ca0.4610.5360.7100.5350.5880.7540.7930.4640.5230.5280.7250.5460.7450.8550.8470.529
Na0.4930.4040.2620.4470.3840.2180.1740.5010.4460.4090.2520.4030.2300.1240.1370.412
K0.0230.0170.0060.0200.0160.0080.0050.0250.0250.0220.0090.0190.0070.0020.0040.020
XAn0.470.560.730.530.600.770.820.470.530.550.740.560.760.870.860.55
SampleTKL02-2TKL18-4MS02-3
MineralPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPl
TexturePl-1Pl-2Incl.Pl-1Pl-2Incl.Pl-1Pl-2Pl-s1Pl-s2Incl.
Domaincorerimcorerimcorerimcorerimcoremantlerimcorerim
SiO2 (wt%)58.9255.7054.2553.7559.1659.2254.2554.9854.8257.0657.2453.6950.9955.4953.2448.5747.8656.67
TiO20.010.000.030.000.000.000.000.000.000.040.000.030.000.000.000.000.000.00
Al2O325.3427.5928.5628.8325.3325.1628.4728.1228.0626.1626.5428.6929.9627.8528.8631.8933.1026.72
Cr2O30.000.000.000.000.000.010.050.000.000.040.010.030.000.010.030.000.020.00
FeO0.120.150.160.150.110.160.300.130.310.580.080.370.540.140.250.710.310.17
MnO0.020.030.000.050.000.010.000.000.000.030.000.000.000.010.010.000.010.00
MgO0.000.020.010.010.000.010.010.010.000.030.020.010.140.000.010.000.010.03
CaO7.3910.8511.0312.177.416.9910.6710.5111.488.859.2412.3514.1011.2812.3515.8416.7810.08
Na2O6.754.904.834.216.647.175.325.444.876.015.994.393.424.924.272.121.485.39
K2O0.570.370.390.380.560.500.250.190.200.420.310.140.140.210.180.040.030.40
Total99.1399.6399.2899.5799.2299.2599.3599.3999.7799.2999.4499.7499.3599.9399.2399.2599.6399.48
O cations888888888888888888
Si (p.f.u.)2.6532.5172.4662.4422.6592.6632.4652.4922.4812.5812.5802.4372.3402.5022.4292.2402.1992.559
Ti0.0000.0000.0010.0000.0000.0000.0000.0000.0000.0010.0000.0010.0000.0000.0000.0000.0000.000
Al1.3451.4701.5301.5441.3421.3341.5251.5021.4971.3951.4111.5351.6211.4811.5521.7341.7931.423
Cr0.0000.0000.0000.0000.0000.0000.0020.0000.0000.0010.0000.0010.0000.0000.0010.0000.0010.000
Fe3+0.0050.0060.0060.0060.0040.0060.0110.0050.0120.0220.0030.0140.0210.0050.0100.0270.0120.006
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0010.0010.0000.0020.0000.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.000
Mg0.0000.0010.0010.0010.0000.0010.0010.0010.0000.0020.0010.0010.0100.0000.0010.0000.0010.002
Ca0.3570.5250.5370.5920.3570.3370.5200.5100.5570.4290.4460.6010.6930.5450.6040.7830.8260.488
Na0.5890.4290.4260.3710.5790.6250.4690.4780.4270.5270.5240.3860.3040.4300.3780.1900.1320.472
K0.0330.0210.0230.0220.0320.0290.0140.0110.0120.0250.0180.0080.0080.0120.0100.0020.0020.023
XAn0.360.540.540.600.370.340.520.510.560.440.450.600.690.550.610.800.860.50
SiO2 (wt%)57.0755.5951.3453.7053.2647.5748.7156.2953.9854.3349.6353.4148.4146.2046.5454.55
TiO20.000.000.000.010.040.000.000.010.000.010.000.010.010.000.000.04
Al2O326.7027.7830.6227.8929.2332.2332.3426.8929.0229.0032.2429.3732.9434.4234.2228.98
Cr2O30.000.000.000.000.010.000.030.030.020.030.020.000.000.010.010.02
FeO0.130.120.330.150.000.800.300.370.120.160.170.120.170.350.300.09
MnO0.000.030.000.010.030.000.000.000.000.020.020.010.020.000.020.04
MgO0.020.000.010.020.140.550.010.010.020.010.000.000.000.000.000.02
CaO9.5511.0714.5710.8412.1315.1916.129.5610.7510.8814.8211.1915.1317.3217.1910.92
Na2O5.644.612.975.004.382.431.965.715.064.662.854.562.581.391.544.70
K2O0.400.300.100.340.270.130.080.440.430.380.160.330.110.040.060.34
Total99.5299.5699.9897.98#####98.9999.5899.3599.4099.5099.9499.0199.3899.7799.9199.69
O cations8888888888888888
Si (p.f.u.)2.5722.5122.3362.4742.4102.2042.2362.5482.4512.4602.2652.4342.2252.1282.1402.465
Ti0.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.001
Al1.4191.4801.6431.5151.5591.7601.7501.4351.5531.5481.7351.5781.7851.8701.8561.544
Cr0.0000.0000.0000.0000.0000.0000.0010.0010.0010.0010.0010.0000.0000.0000.0000.001
Fe3+0.0050.0060.0130.0060.0260.0310.0120.0140.0040.0060.0070.0040.0060.0130.0120.003
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0000.0010.0000.0000.0010.0000.0000.0000.0000.0010.0010.0010.0010.0000.0010.001
Mg0.0010.0000.0010.0010.0090.0380.0010.0010.0010.0010.0000.0000.0000.0000.0000.001
Ca0.4610.5360.7100.5350.5880.7540.7930.4640.5230.5280.7250.5460.7450.8550.8470.529
Na0.4930.4040.2620.4470.3840.2180.1740.5010.4460.4090.2520.4030.2300.1240.1370.412
K0.0230.0170.0060.0200.0160.0080.0050.0250.0250.0220.0090.0190.0070.0020.0040.020
XAn0.470.560.730.530.600.770.820.470.530.550.740.560.760.870.860.55

Total iron as FeO. XAn = Ca/(Ca + Na + K). Incl., inclusion.

Table 6

Representative microprobe analyses of plagioclase in mafic granulites

SampleTKL02-2TKL18-4MS02-3
MineralPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPl
TexturePl-1Pl-2Incl.Pl-1Pl-2Incl.Pl-1Pl-2Pl-s1Pl-s2Incl.
Domaincorerimcorerimcorerimcorerimcoremantlerimcorerim
SiO2 (wt%)58.9255.7054.2553.7559.1659.2254.2554.9854.8257.0657.2453.6950.9955.4953.2448.5747.8656.67
TiO20.010.000.030.000.000.000.000.000.000.040.000.030.000.000.000.000.000.00
Al2O325.3427.5928.5628.8325.3325.1628.4728.1228.0626.1626.5428.6929.9627.8528.8631.8933.1026.72
Cr2O30.000.000.000.000.000.010.050.000.000.040.010.030.000.010.030.000.020.00
FeO0.120.150.160.150.110.160.300.130.310.580.080.370.540.140.250.710.310.17
MnO0.020.030.000.050.000.010.000.000.000.030.000.000.000.010.010.000.010.00
MgO0.000.020.010.010.000.010.010.010.000.030.020.010.140.000.010.000.010.03
CaO7.3910.8511.0312.177.416.9910.6710.5111.488.859.2412.3514.1011.2812.3515.8416.7810.08
Na2O6.754.904.834.216.647.175.325.444.876.015.994.393.424.924.272.121.485.39
K2O0.570.370.390.380.560.500.250.190.200.420.310.140.140.210.180.040.030.40
Total99.1399.6399.2899.5799.2299.2599.3599.3999.7799.2999.4499.7499.3599.9399.2399.2599.6399.48
O cations888888888888888888
Si (p.f.u.)2.6532.5172.4662.4422.6592.6632.4652.4922.4812.5812.5802.4372.3402.5022.4292.2402.1992.559
Ti0.0000.0000.0010.0000.0000.0000.0000.0000.0000.0010.0000.0010.0000.0000.0000.0000.0000.000
Al1.3451.4701.5301.5441.3421.3341.5251.5021.4971.3951.4111.5351.6211.4811.5521.7341.7931.423
Cr0.0000.0000.0000.0000.0000.0000.0020.0000.0000.0010.0000.0010.0000.0000.0010.0000.0010.000
Fe3+0.0050.0060.0060.0060.0040.0060.0110.0050.0120.0220.0030.0140.0210.0050.0100.0270.0120.006
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0010.0010.0000.0020.0000.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.000
Mg0.0000.0010.0010.0010.0000.0010.0010.0010.0000.0020.0010.0010.0100.0000.0010.0000.0010.002
Ca0.3570.5250.5370.5920.3570.3370.5200.5100.5570.4290.4460.6010.6930.5450.6040.7830.8260.488
Na0.5890.4290.4260.3710.5790.6250.4690.4780.4270.5270.5240.3860.3040.4300.3780.1900.1320.472
K0.0330.0210.0230.0220.0320.0290.0140.0110.0120.0250.0180.0080.0080.0120.0100.0020.0020.023
XAn0.360.540.540.600.370.340.520.510.560.440.450.600.690.550.610.800.860.50
SiO2 (wt%)57.0755.5951.3453.7053.2647.5748.7156.2953.9854.3349.6353.4148.4146.2046.5454.55
TiO20.000.000.000.010.040.000.000.010.000.010.000.010.010.000.000.04
Al2O326.7027.7830.6227.8929.2332.2332.3426.8929.0229.0032.2429.3732.9434.4234.2228.98
Cr2O30.000.000.000.000.010.000.030.030.020.030.020.000.000.010.010.02
FeO0.130.120.330.150.000.800.300.370.120.160.170.120.170.350.300.09
MnO0.000.030.000.010.030.000.000.000.000.020.020.010.020.000.020.04
MgO0.020.000.010.020.140.550.010.010.020.010.000.000.000.000.000.02
CaO9.5511.0714.5710.8412.1315.1916.129.5610.7510.8814.8211.1915.1317.3217.1910.92
Na2O5.644.612.975.004.382.431.965.715.064.662.854.562.581.391.544.70
K2O0.400.300.100.340.270.130.080.440.430.380.160.330.110.040.060.34
Total99.5299.5699.9897.98#####98.9999.5899.3599.4099.5099.9499.0199.3899.7799.9199.69
O cations8888888888888888
Si (p.f.u.)2.5722.5122.3362.4742.4102.2042.2362.5482.4512.4602.2652.4342.2252.1282.1402.465
Ti0.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.001
Al1.4191.4801.6431.5151.5591.7601.7501.4351.5531.5481.7351.5781.7851.8701.8561.544
Cr0.0000.0000.0000.0000.0000.0000.0010.0010.0010.0010.0010.0000.0000.0000.0000.001
Fe3+0.0050.0060.0130.0060.0260.0310.0120.0140.0040.0060.0070.0040.0060.0130.0120.003
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0000.0010.0000.0000.0010.0000.0000.0000.0000.0010.0010.0010.0010.0000.0010.001
Mg0.0010.0000.0010.0010.0090.0380.0010.0010.0010.0010.0000.0000.0000.0000.0000.001
Ca0.4610.5360.7100.5350.5880.7540.7930.4640.5230.5280.7250.5460.7450.8550.8470.529
Na0.4930.4040.2620.4470.3840.2180.1740.5010.4460.4090.2520.4030.2300.1240.1370.412
K0.0230.0170.0060.0200.0160.0080.0050.0250.0250.0220.0090.0190.0070.0020.0040.020
XAn0.470.560.730.530.600.770.820.470.530.550.740.560.760.870.860.55
SampleTKL02-2TKL18-4MS02-3
MineralPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPlPl
TexturePl-1Pl-2Incl.Pl-1Pl-2Incl.Pl-1Pl-2Pl-s1Pl-s2Incl.
Domaincorerimcorerimcorerimcorerimcoremantlerimcorerim
SiO2 (wt%)58.9255.7054.2553.7559.1659.2254.2554.9854.8257.0657.2453.6950.9955.4953.2448.5747.8656.67
TiO20.010.000.030.000.000.000.000.000.000.040.000.030.000.000.000.000.000.00
Al2O325.3427.5928.5628.8325.3325.1628.4728.1228.0626.1626.5428.6929.9627.8528.8631.8933.1026.72
Cr2O30.000.000.000.000.000.010.050.000.000.040.010.030.000.010.030.000.020.00
FeO0.120.150.160.150.110.160.300.130.310.580.080.370.540.140.250.710.310.17
MnO0.020.030.000.050.000.010.000.000.000.030.000.000.000.010.010.000.010.00
MgO0.000.020.010.010.000.010.010.010.000.030.020.010.140.000.010.000.010.03
CaO7.3910.8511.0312.177.416.9910.6710.5111.488.859.2412.3514.1011.2812.3515.8416.7810.08
Na2O6.754.904.834.216.647.175.325.444.876.015.994.393.424.924.272.121.485.39
K2O0.570.370.390.380.560.500.250.190.200.420.310.140.140.210.180.040.030.40
Total99.1399.6399.2899.5799.2299.2599.3599.3999.7799.2999.4499.7499.3599.9399.2399.2599.6399.48
O cations888888888888888888
Si (p.f.u.)2.6532.5172.4662.4422.6592.6632.4652.4922.4812.5812.5802.4372.3402.5022.4292.2402.1992.559
Ti0.0000.0000.0010.0000.0000.0000.0000.0000.0000.0010.0000.0010.0000.0000.0000.0000.0000.000
Al1.3451.4701.5301.5441.3421.3341.5251.5021.4971.3951.4111.5351.6211.4811.5521.7341.7931.423
Cr0.0000.0000.0000.0000.0000.0000.0020.0000.0000.0010.0000.0010.0000.0000.0010.0000.0010.000
Fe3+0.0050.0060.0060.0060.0040.0060.0110.0050.0120.0220.0030.0140.0210.0050.0100.0270.0120.006
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0010.0010.0000.0020.0000.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.000
Mg0.0000.0010.0010.0010.0000.0010.0010.0010.0000.0020.0010.0010.0100.0000.0010.0000.0010.002
Ca0.3570.5250.5370.5920.3570.3370.5200.5100.5570.4290.4460.6010.6930.5450.6040.7830.8260.488
Na0.5890.4290.4260.3710.5790.6250.4690.4780.4270.5270.5240.3860.3040.4300.3780.1900.1320.472
K0.0330.0210.0230.0220.0320.0290.0140.0110.0120.0250.0180.0080.0080.0120.0100.0020.0020.023
XAn0.360.540.540.600.370.340.520.510.560.440.450.600.690.550.610.800.860.50
SiO2 (wt%)57.0755.5951.3453.7053.2647.5748.7156.2953.9854.3349.6353.4148.4146.2046.5454.55
TiO20.000.000.000.010.040.000.000.010.000.010.000.010.010.000.000.04
Al2O326.7027.7830.6227.8929.2332.2332.3426.8929.0229.0032.2429.3732.9434.4234.2228.98
Cr2O30.000.000.000.000.010.000.030.030.020.030.020.000.000.010.010.02
FeO0.130.120.330.150.000.800.300.370.120.160.170.120.170.350.300.09
MnO0.000.030.000.010.030.000.000.000.000.020.020.010.020.000.020.04
MgO0.020.000.010.020.140.550.010.010.020.010.000.000.000.000.000.02
CaO9.5511.0714.5710.8412.1315.1916.129.5610.7510.8814.8211.1915.1317.3217.1910.92
Na2O5.644.612.975.004.382.431.965.715.064.662.854.562.581.391.544.70
K2O0.400.300.100.340.270.130.080.440.430.380.160.330.110.040.060.34
Total99.5299.5699.9897.98#####98.9999.5899.3599.4099.5099.9499.0199.3899.7799.9199.69
O cations8888888888888888
Si (p.f.u.)2.5722.5122.3362.4742.4102.2042.2362.5482.4512.4602.2652.4342.2252.1282.1402.465
Ti0.0000.0000.0000.0000.0010.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.001
Al1.4191.4801.6431.5151.5591.7601.7501.4351.5531.5481.7351.5781.7851.8701.8561.544
Cr0.0000.0000.0000.0000.0000.0000.0010.0010.0010.0010.0010.0000.0000.0000.0000.001
Fe3+0.0050.0060.0130.0060.0260.0310.0120.0140.0040.0060.0070.0040.0060.0130.0120.003
Fe2+0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000
Mn0.0000.0010.0000.0000.0010.0000.0000.0000.0000.0010.0010.0010.0010.0000.0010.001
Mg0.0010.0000.0010.0010.0090.0380.0010.0010.0010.0010.0000.0000.0000.0000.0000.001
Ca0.4610.5360.7100.5350.5880.7540.7930.4640.5230.5280.7250.5460.7450.8550.8470.529
Na0.4930.4040.2620.4470.3840.2180.1740.5010.4460.4090.2520.4030.2300.1240.1370.412
K0.0230.0170.0060.0200.0160.0080.0050.0250.0250.0220.0090.0190.0070.0020.0040.020
XAn0.470.560.730.530.600.770.820.470.530.550.740.560.760.870.860.55

Total iron as FeO. XAn = Ca/(Ca + Na + K). Incl., inclusion.

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