Sample . | TKL02-2 . | TKL18-4 . | MS02-3 . | MS04-1 . | MS07-3 . | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mineral . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . |
Domain | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim |
SiO2 (wt%) | 38.20 | 38.04 | 38.05 | 38.90 | 38.58 | 38.65 | 37.72 | 37.40 | 38.58 | 37.58 | 37.24 | 38.26 | 38.58 | 38.79 | 38.08 |
TiO2 | 0.11 | 0.13 | 0.15 | 0.10 | 0.07 | 0.11 | 0.05 | 0.09 | 0.03 | 0.07 | 0.11 | 0.02 | 0.05 | 0.10 | 0.00 |
Al2O3 | 21.06 | 21.00 | 20.47 | 21.13 | 20.85 | 20.97 | 21.40 | 21.43 | 20.36 | 21.58 | 21.40 | 21.18 | 20.92 | 21.17 | 21.11 |
Cr2O3 | 0.02 | 0.06 | 0.02 | 0.02 | 0.08 | 0.06 | 0.02 | 0.03 | 0.03 | 0.00 | 0.01 | 0.05 | 0.07 | 0.06 | 0.09 |
FeO | 25.51 | 25.45 | 27.11 | 26.16 | 26.88 | 27.95 | 25.77 | 25.08 | 25.80 | 24.85 | 24.94 | 25.49 | 25.28 | 25.16 | 26.52 |
MnO | 0.65 | 0.81 | 1.22 | 0.82 | 0.91 | 0.96 | 1.13 | 0.98 | 2.13 | 1.78 | 1.85 | 2.37 | 1.08 | 0.99 | 2.46 |
MgO | 6.76 | 6.46 | 5.26 | 6.07 | 5.86 | 4.52 | 6.28 | 7.44 | 5.88 | 6.61 | 6.38 | 6.34 | 6.55 | 6.45 | 5.41 |
CaO | 7.26 | 7.05 | 6.97 | 6.62 | 6.44 | 6.70 | 7.10 | 6.74 | 6.69 | 7.36 | 7.11 | 6.11 | 7.32 | 7.19 | 5.41 |
Na2O | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
K2O | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 |
Total | 99.58 | 99.01 | 99.26 | 99.81 | 99.66 | 99.93 | 99.48 | 99.19 | 99.54 | 99.85 | 99.05 | 99.83 | 99.85 | 99.89 | 99.07 |
O cations | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Si (p.f.u.) | 2.971 | 2.980 | 3.004 | 3.030 | 3.021 | 3.037 | 2.945 | 2.909 | 3.026 | 2.915 | 2.917 | 2.983 | 2.996 | 3.011 | 3.012 |
Ti | 0.006 | 0.008 | 0.009 | 0.006 | 0.004 | 0.006 | 0.003 | 0.005 | 0.002 | 0.004 | 0.006 | 0.001 | 0.003 | 0.006 | 0.000 |
Al | 1.931 | 1.940 | 1.905 | 1.940 | 1.925 | 1.942 | 1.970 | 1.965 | 1.883 | 1.973 | 1.976 | 1.946 | 1.916 | 1.938 | 1.968 |
Cr | 0.001 | 0.004 | 0.001 | 0.001 | 0.005 | 0.004 | 0.001 | 0.002 | 0.002 | 0.000 | 0.001 | 0.003 | 0.004 | 0.003 | 0.005 |
Fe3+ | 0.113 | 0.083 | 0.070 | 0.000 | 0.019 | 0.000 | 0.134 | 0.205 | 0.065 | 0.192 | 0.177 | 0.085 | 0.083 | 0.025 | 0.002 |
Fe2+ | 1.546 | 1.585 | 1.720 | 1.704 | 1.741 | 1.837 | 1.548 | 1.425 | 1.628 | 1.420 | 1.457 | 1.577 | 1.559 | 1.608 | 1.752 |
Mn | 0.043 | 0.054 | 0.082 | 0.054 | 0.060 | 0.064 | 0.075 | 0.065 | 0.142 | 0.117 | 0.123 | 0.156 | 0.071 | 0.065 | 0.165 |
Mg | 0.784 | 0.754 | 0.619 | 0.704 | 0.683 | 0.530 | 0.731 | 0.862 | 0.687 | 0.764 | 0.745 | 0.737 | 0.758 | 0.746 | 0.637 |
Ca | 0.605 | 0.592 | 0.590 | 0.552 | 0.540 | 0.564 | 0.594 | 0.562 | 0.562 | 0.612 | 0.597 | 0.510 | 0.609 | 0.598 | 0.458 |
Na | 0.000 | 0.002 | 0.002 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.002 | 0.003 | 0.000 | 0.002 | 0.000 | 0.000 | 0.000 |
K | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.003 | 0.000 | 0.001 | 0.000 | 0.001 | 0.000 | 0.000 |
XAlm | 0.52 | 0.53 | 0.57 | 0.57 | 0.58 | 0.61 | 0.53 | 0.49 | 0.54 | 0.49 | 0.50 | 0.53 | 0.52 | 0.53 | 0.58 |
XPyp | 0.26 | 0.25 | 0.21 | 0.23 | 0.23 | 0.18 | 0.25 | 0.30 | 0.23 | 0.26 | 0.25 | 0.25 | 0.25 | 0.25 | 0.21 |
XGrs | 0.20 | 0.20 | 0.20 | 0.18 | 0.18 | 0.19 | 0.20 | 0.19 | 0.19 | 0.21 | 0.20 | 0.17 | 0.20 | 0.20 | 0.15 |
XSps | 0.01 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.05 | 0.04 | 0.04 | 0.05 | 0.02 | 0.02 | 0.05 |
XMg | 0.34 | 0.32 | 0.26 | 0.29 | 0.28 | 0.22 | 0.32 | 0.38 | 0.30 | 0.35 | 0.34 | 0.32 | 0.33 | 0.32 | 0.27 |
Sample . | TKL02-2 . | TKL18-4 . | MS02-3 . | MS04-1 . | MS07-3 . | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mineral . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . |
Domain | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim |
SiO2 (wt%) | 38.20 | 38.04 | 38.05 | 38.90 | 38.58 | 38.65 | 37.72 | 37.40 | 38.58 | 37.58 | 37.24 | 38.26 | 38.58 | 38.79 | 38.08 |
TiO2 | 0.11 | 0.13 | 0.15 | 0.10 | 0.07 | 0.11 | 0.05 | 0.09 | 0.03 | 0.07 | 0.11 | 0.02 | 0.05 | 0.10 | 0.00 |
Al2O3 | 21.06 | 21.00 | 20.47 | 21.13 | 20.85 | 20.97 | 21.40 | 21.43 | 20.36 | 21.58 | 21.40 | 21.18 | 20.92 | 21.17 | 21.11 |
Cr2O3 | 0.02 | 0.06 | 0.02 | 0.02 | 0.08 | 0.06 | 0.02 | 0.03 | 0.03 | 0.00 | 0.01 | 0.05 | 0.07 | 0.06 | 0.09 |
FeO | 25.51 | 25.45 | 27.11 | 26.16 | 26.88 | 27.95 | 25.77 | 25.08 | 25.80 | 24.85 | 24.94 | 25.49 | 25.28 | 25.16 | 26.52 |
MnO | 0.65 | 0.81 | 1.22 | 0.82 | 0.91 | 0.96 | 1.13 | 0.98 | 2.13 | 1.78 | 1.85 | 2.37 | 1.08 | 0.99 | 2.46 |
MgO | 6.76 | 6.46 | 5.26 | 6.07 | 5.86 | 4.52 | 6.28 | 7.44 | 5.88 | 6.61 | 6.38 | 6.34 | 6.55 | 6.45 | 5.41 |
CaO | 7.26 | 7.05 | 6.97 | 6.62 | 6.44 | 6.70 | 7.10 | 6.74 | 6.69 | 7.36 | 7.11 | 6.11 | 7.32 | 7.19 | 5.41 |
Na2O | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
K2O | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 |
Total | 99.58 | 99.01 | 99.26 | 99.81 | 99.66 | 99.93 | 99.48 | 99.19 | 99.54 | 99.85 | 99.05 | 99.83 | 99.85 | 99.89 | 99.07 |
O cations | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Si (p.f.u.) | 2.971 | 2.980 | 3.004 | 3.030 | 3.021 | 3.037 | 2.945 | 2.909 | 3.026 | 2.915 | 2.917 | 2.983 | 2.996 | 3.011 | 3.012 |
Ti | 0.006 | 0.008 | 0.009 | 0.006 | 0.004 | 0.006 | 0.003 | 0.005 | 0.002 | 0.004 | 0.006 | 0.001 | 0.003 | 0.006 | 0.000 |
Al | 1.931 | 1.940 | 1.905 | 1.940 | 1.925 | 1.942 | 1.970 | 1.965 | 1.883 | 1.973 | 1.976 | 1.946 | 1.916 | 1.938 | 1.968 |
Cr | 0.001 | 0.004 | 0.001 | 0.001 | 0.005 | 0.004 | 0.001 | 0.002 | 0.002 | 0.000 | 0.001 | 0.003 | 0.004 | 0.003 | 0.005 |
Fe3+ | 0.113 | 0.083 | 0.070 | 0.000 | 0.019 | 0.000 | 0.134 | 0.205 | 0.065 | 0.192 | 0.177 | 0.085 | 0.083 | 0.025 | 0.002 |
Fe2+ | 1.546 | 1.585 | 1.720 | 1.704 | 1.741 | 1.837 | 1.548 | 1.425 | 1.628 | 1.420 | 1.457 | 1.577 | 1.559 | 1.608 | 1.752 |
Mn | 0.043 | 0.054 | 0.082 | 0.054 | 0.060 | 0.064 | 0.075 | 0.065 | 0.142 | 0.117 | 0.123 | 0.156 | 0.071 | 0.065 | 0.165 |
Mg | 0.784 | 0.754 | 0.619 | 0.704 | 0.683 | 0.530 | 0.731 | 0.862 | 0.687 | 0.764 | 0.745 | 0.737 | 0.758 | 0.746 | 0.637 |
Ca | 0.605 | 0.592 | 0.590 | 0.552 | 0.540 | 0.564 | 0.594 | 0.562 | 0.562 | 0.612 | 0.597 | 0.510 | 0.609 | 0.598 | 0.458 |
Na | 0.000 | 0.002 | 0.002 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.002 | 0.003 | 0.000 | 0.002 | 0.000 | 0.000 | 0.000 |
K | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.003 | 0.000 | 0.001 | 0.000 | 0.001 | 0.000 | 0.000 |
XAlm | 0.52 | 0.53 | 0.57 | 0.57 | 0.58 | 0.61 | 0.53 | 0.49 | 0.54 | 0.49 | 0.50 | 0.53 | 0.52 | 0.53 | 0.58 |
XPyp | 0.26 | 0.25 | 0.21 | 0.23 | 0.23 | 0.18 | 0.25 | 0.30 | 0.23 | 0.26 | 0.25 | 0.25 | 0.25 | 0.25 | 0.21 |
XGrs | 0.20 | 0.20 | 0.20 | 0.18 | 0.18 | 0.19 | 0.20 | 0.19 | 0.19 | 0.21 | 0.20 | 0.17 | 0.20 | 0.20 | 0.15 |
XSps | 0.01 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.05 | 0.04 | 0.04 | 0.05 | 0.02 | 0.02 | 0.05 |
XMg | 0.34 | 0.32 | 0.26 | 0.29 | 0.28 | 0.22 | 0.32 | 0.38 | 0.30 | 0.35 | 0.34 | 0.32 | 0.33 | 0.32 | 0.27 |
Total iron as FeO. XAlm = Fe2+/(Ca + Mg + Fe2+ + Mn). XPyp = Mg/(Ca + Mg + Fe2+ + Mn). XGrs = Ca/(Ca + Mg + Fe2+ + Mn). XSps = Mn/(Ca + Mg + Fe2+ + Mn). XMg = Mg/(Mg + Fe2+).
Sample . | TKL02-2 . | TKL18-4 . | MS02-3 . | MS04-1 . | MS07-3 . | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mineral . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . |
Domain | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim |
SiO2 (wt%) | 38.20 | 38.04 | 38.05 | 38.90 | 38.58 | 38.65 | 37.72 | 37.40 | 38.58 | 37.58 | 37.24 | 38.26 | 38.58 | 38.79 | 38.08 |
TiO2 | 0.11 | 0.13 | 0.15 | 0.10 | 0.07 | 0.11 | 0.05 | 0.09 | 0.03 | 0.07 | 0.11 | 0.02 | 0.05 | 0.10 | 0.00 |
Al2O3 | 21.06 | 21.00 | 20.47 | 21.13 | 20.85 | 20.97 | 21.40 | 21.43 | 20.36 | 21.58 | 21.40 | 21.18 | 20.92 | 21.17 | 21.11 |
Cr2O3 | 0.02 | 0.06 | 0.02 | 0.02 | 0.08 | 0.06 | 0.02 | 0.03 | 0.03 | 0.00 | 0.01 | 0.05 | 0.07 | 0.06 | 0.09 |
FeO | 25.51 | 25.45 | 27.11 | 26.16 | 26.88 | 27.95 | 25.77 | 25.08 | 25.80 | 24.85 | 24.94 | 25.49 | 25.28 | 25.16 | 26.52 |
MnO | 0.65 | 0.81 | 1.22 | 0.82 | 0.91 | 0.96 | 1.13 | 0.98 | 2.13 | 1.78 | 1.85 | 2.37 | 1.08 | 0.99 | 2.46 |
MgO | 6.76 | 6.46 | 5.26 | 6.07 | 5.86 | 4.52 | 6.28 | 7.44 | 5.88 | 6.61 | 6.38 | 6.34 | 6.55 | 6.45 | 5.41 |
CaO | 7.26 | 7.05 | 6.97 | 6.62 | 6.44 | 6.70 | 7.10 | 6.74 | 6.69 | 7.36 | 7.11 | 6.11 | 7.32 | 7.19 | 5.41 |
Na2O | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
K2O | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 |
Total | 99.58 | 99.01 | 99.26 | 99.81 | 99.66 | 99.93 | 99.48 | 99.19 | 99.54 | 99.85 | 99.05 | 99.83 | 99.85 | 99.89 | 99.07 |
O cations | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Si (p.f.u.) | 2.971 | 2.980 | 3.004 | 3.030 | 3.021 | 3.037 | 2.945 | 2.909 | 3.026 | 2.915 | 2.917 | 2.983 | 2.996 | 3.011 | 3.012 |
Ti | 0.006 | 0.008 | 0.009 | 0.006 | 0.004 | 0.006 | 0.003 | 0.005 | 0.002 | 0.004 | 0.006 | 0.001 | 0.003 | 0.006 | 0.000 |
Al | 1.931 | 1.940 | 1.905 | 1.940 | 1.925 | 1.942 | 1.970 | 1.965 | 1.883 | 1.973 | 1.976 | 1.946 | 1.916 | 1.938 | 1.968 |
Cr | 0.001 | 0.004 | 0.001 | 0.001 | 0.005 | 0.004 | 0.001 | 0.002 | 0.002 | 0.000 | 0.001 | 0.003 | 0.004 | 0.003 | 0.005 |
Fe3+ | 0.113 | 0.083 | 0.070 | 0.000 | 0.019 | 0.000 | 0.134 | 0.205 | 0.065 | 0.192 | 0.177 | 0.085 | 0.083 | 0.025 | 0.002 |
Fe2+ | 1.546 | 1.585 | 1.720 | 1.704 | 1.741 | 1.837 | 1.548 | 1.425 | 1.628 | 1.420 | 1.457 | 1.577 | 1.559 | 1.608 | 1.752 |
Mn | 0.043 | 0.054 | 0.082 | 0.054 | 0.060 | 0.064 | 0.075 | 0.065 | 0.142 | 0.117 | 0.123 | 0.156 | 0.071 | 0.065 | 0.165 |
Mg | 0.784 | 0.754 | 0.619 | 0.704 | 0.683 | 0.530 | 0.731 | 0.862 | 0.687 | 0.764 | 0.745 | 0.737 | 0.758 | 0.746 | 0.637 |
Ca | 0.605 | 0.592 | 0.590 | 0.552 | 0.540 | 0.564 | 0.594 | 0.562 | 0.562 | 0.612 | 0.597 | 0.510 | 0.609 | 0.598 | 0.458 |
Na | 0.000 | 0.002 | 0.002 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.002 | 0.003 | 0.000 | 0.002 | 0.000 | 0.000 | 0.000 |
K | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.003 | 0.000 | 0.001 | 0.000 | 0.001 | 0.000 | 0.000 |
XAlm | 0.52 | 0.53 | 0.57 | 0.57 | 0.58 | 0.61 | 0.53 | 0.49 | 0.54 | 0.49 | 0.50 | 0.53 | 0.52 | 0.53 | 0.58 |
XPyp | 0.26 | 0.25 | 0.21 | 0.23 | 0.23 | 0.18 | 0.25 | 0.30 | 0.23 | 0.26 | 0.25 | 0.25 | 0.25 | 0.25 | 0.21 |
XGrs | 0.20 | 0.20 | 0.20 | 0.18 | 0.18 | 0.19 | 0.20 | 0.19 | 0.19 | 0.21 | 0.20 | 0.17 | 0.20 | 0.20 | 0.15 |
XSps | 0.01 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.05 | 0.04 | 0.04 | 0.05 | 0.02 | 0.02 | 0.05 |
XMg | 0.34 | 0.32 | 0.26 | 0.29 | 0.28 | 0.22 | 0.32 | 0.38 | 0.30 | 0.35 | 0.34 | 0.32 | 0.33 | 0.32 | 0.27 |
Sample . | TKL02-2 . | TKL18-4 . | MS02-3 . | MS04-1 . | MS07-3 . | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mineral . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . | Grt . |
Domain | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim | core | mantle | rim |
SiO2 (wt%) | 38.20 | 38.04 | 38.05 | 38.90 | 38.58 | 38.65 | 37.72 | 37.40 | 38.58 | 37.58 | 37.24 | 38.26 | 38.58 | 38.79 | 38.08 |
TiO2 | 0.11 | 0.13 | 0.15 | 0.10 | 0.07 | 0.11 | 0.05 | 0.09 | 0.03 | 0.07 | 0.11 | 0.02 | 0.05 | 0.10 | 0.00 |
Al2O3 | 21.06 | 21.00 | 20.47 | 21.13 | 20.85 | 20.97 | 21.40 | 21.43 | 20.36 | 21.58 | 21.40 | 21.18 | 20.92 | 21.17 | 21.11 |
Cr2O3 | 0.02 | 0.06 | 0.02 | 0.02 | 0.08 | 0.06 | 0.02 | 0.03 | 0.03 | 0.00 | 0.01 | 0.05 | 0.07 | 0.06 | 0.09 |
FeO | 25.51 | 25.45 | 27.11 | 26.16 | 26.88 | 27.95 | 25.77 | 25.08 | 25.80 | 24.85 | 24.94 | 25.49 | 25.28 | 25.16 | 26.52 |
MnO | 0.65 | 0.81 | 1.22 | 0.82 | 0.91 | 0.96 | 1.13 | 0.98 | 2.13 | 1.78 | 1.85 | 2.37 | 1.08 | 0.99 | 2.46 |
MgO | 6.76 | 6.46 | 5.26 | 6.07 | 5.86 | 4.52 | 6.28 | 7.44 | 5.88 | 6.61 | 6.38 | 6.34 | 6.55 | 6.45 | 5.41 |
CaO | 7.26 | 7.05 | 6.97 | 6.62 | 6.44 | 6.70 | 7.10 | 6.74 | 6.69 | 7.36 | 7.11 | 6.11 | 7.32 | 7.19 | 5.41 |
Na2O | 0.00 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
K2O | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 |
Total | 99.58 | 99.01 | 99.26 | 99.81 | 99.66 | 99.93 | 99.48 | 99.19 | 99.54 | 99.85 | 99.05 | 99.83 | 99.85 | 99.89 | 99.07 |
O cations | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Si (p.f.u.) | 2.971 | 2.980 | 3.004 | 3.030 | 3.021 | 3.037 | 2.945 | 2.909 | 3.026 | 2.915 | 2.917 | 2.983 | 2.996 | 3.011 | 3.012 |
Ti | 0.006 | 0.008 | 0.009 | 0.006 | 0.004 | 0.006 | 0.003 | 0.005 | 0.002 | 0.004 | 0.006 | 0.001 | 0.003 | 0.006 | 0.000 |
Al | 1.931 | 1.940 | 1.905 | 1.940 | 1.925 | 1.942 | 1.970 | 1.965 | 1.883 | 1.973 | 1.976 | 1.946 | 1.916 | 1.938 | 1.968 |
Cr | 0.001 | 0.004 | 0.001 | 0.001 | 0.005 | 0.004 | 0.001 | 0.002 | 0.002 | 0.000 | 0.001 | 0.003 | 0.004 | 0.003 | 0.005 |
Fe3+ | 0.113 | 0.083 | 0.070 | 0.000 | 0.019 | 0.000 | 0.134 | 0.205 | 0.065 | 0.192 | 0.177 | 0.085 | 0.083 | 0.025 | 0.002 |
Fe2+ | 1.546 | 1.585 | 1.720 | 1.704 | 1.741 | 1.837 | 1.548 | 1.425 | 1.628 | 1.420 | 1.457 | 1.577 | 1.559 | 1.608 | 1.752 |
Mn | 0.043 | 0.054 | 0.082 | 0.054 | 0.060 | 0.064 | 0.075 | 0.065 | 0.142 | 0.117 | 0.123 | 0.156 | 0.071 | 0.065 | 0.165 |
Mg | 0.784 | 0.754 | 0.619 | 0.704 | 0.683 | 0.530 | 0.731 | 0.862 | 0.687 | 0.764 | 0.745 | 0.737 | 0.758 | 0.746 | 0.637 |
Ca | 0.605 | 0.592 | 0.590 | 0.552 | 0.540 | 0.564 | 0.594 | 0.562 | 0.562 | 0.612 | 0.597 | 0.510 | 0.609 | 0.598 | 0.458 |
Na | 0.000 | 0.002 | 0.002 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.002 | 0.003 | 0.000 | 0.002 | 0.000 | 0.000 | 0.000 |
K | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.003 | 0.000 | 0.001 | 0.000 | 0.001 | 0.000 | 0.000 |
XAlm | 0.52 | 0.53 | 0.57 | 0.57 | 0.58 | 0.61 | 0.53 | 0.49 | 0.54 | 0.49 | 0.50 | 0.53 | 0.52 | 0.53 | 0.58 |
XPyp | 0.26 | 0.25 | 0.21 | 0.23 | 0.23 | 0.18 | 0.25 | 0.30 | 0.23 | 0.26 | 0.25 | 0.25 | 0.25 | 0.25 | 0.21 |
XGrs | 0.20 | 0.20 | 0.20 | 0.18 | 0.18 | 0.19 | 0.20 | 0.19 | 0.19 | 0.21 | 0.20 | 0.17 | 0.20 | 0.20 | 0.15 |
XSps | 0.01 | 0.02 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.02 | 0.05 | 0.04 | 0.04 | 0.05 | 0.02 | 0.02 | 0.05 |
XMg | 0.34 | 0.32 | 0.26 | 0.29 | 0.28 | 0.22 | 0.32 | 0.38 | 0.30 | 0.35 | 0.34 | 0.32 | 0.33 | 0.32 | 0.27 |
Total iron as FeO. XAlm = Fe2+/(Ca + Mg + Fe2+ + Mn). XPyp = Mg/(Ca + Mg + Fe2+ + Mn). XGrs = Ca/(Ca + Mg + Fe2+ + Mn). XSps = Mn/(Ca + Mg + Fe2+ + Mn). XMg = Mg/(Mg + Fe2+).
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