Locality | Gaositai | ||||||||||||||||
Sample | GST-18 | GST-33-2 | GST-12 | GST-17 | GST-20 | GST-22 | GST-23 | GST-25 | GST-26 | GST-31 | GST-35-1 | ||||||
Rock type | Dunite | Dunite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | ||||||
Mineral | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Chr | Chr | Chr | Chr | Ol | Chr |
point | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
SiO2 | 0.04 | 41.6 | 0.08 | 41.5 | 0.03 | 41.2 | 0.05 | 42.2 | 0.01 | 41.4 | 0.02 | 0.01 | 0.05 | 0.02 | 0.02 | 42.1 | 0.02 |
TiO2 | 0.49 | 0.01 | 0.49 | 0.01 | 0.50 | 0.01 | 0.52 | 0.01 | 0.47 | 0.00 | 0.49 | 0.51 | 0.50 | 0.56 | 0.51 | 0.02 | 0.50 |
Al2O3 | 7.75 | 0.00 | 7.40 | 0.00 | 7.19 | 0.00 | 7.46 | 0.00 | 7.65 | 0.00 | 7.26 | 7.62 | 7.32 | 7.14 | 7.39 | 0.00 | 7.36 |
Cr2O3 | 50.6 | 0.02 | 51.7 | 0.04 | 49.9 | 0.02 | 50.2 | 0.06 | 52.5 | 0.02 | 52.1 | 52.1 | 52.7 | 51.9 | 50.9 | 0.02 | 51.7 |
FeO | 29.9 | 7.73 | 30.2 | 7.13 | 31.5 | 7.63 | 31.8 | 6.66 | 25.4 | 7.28 | 26.2 | 26.1 | 26.4 | 27.9 | 29.5 | 7.47 | 28.3 |
MnO | 0.47 | 0.12 | 0.54 | 0.13 | 0.44 | 0.14 | 0.46 | 0.12 | 0.33 | 0.14 | 0.33 | 0.30 | 0.31 | 0.33 | 0.41 | 0.16 | 0.42 |
MgO | 9.37 | 49.11 | 9.44 | 50.94 | 9.44 | 50.18 | 9.01 | 51.35 | 12.4 | 50.47 | 12.4 | 12.7 | 11.5 | 11.4 | 10.6 | 50.74 | 11.3 |
CaO | 0.01 | 0.21 | 0.00 | 0.16 | 0.01 | 0.21 | 0.00 | 0.17 | 0.00 | 0.17 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.20 | 0.01 |
Na2O | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.03 | 0.01 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.02 | 0.01 | 0.01 | 0.01 |
K2O | 0.01 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
NiO | 0.11 | 0.27 | 0.08 | 0.26 | 0.12 | 0.25 | 0.15 | 0.25 | 0.13 | 0.25 | 0.14 | 0.14 | 0.10 | 0.12 | 0.14 | 0.28 | 0.12 |
Total | 98.7 | 99.12 | 99.9 | 100 | 99.1 | 100 | 99.6 | 101 | 98.9 | 99.7 | 98.9 | 99.4 | 98.9 | 99.4 | 99.5 | 101 | 99.7 |
Si | 0.00 | 1.02 | 0.00 | 1.00 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.01 | 0.00 |
Ti | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Al | 0.31 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.30 | 0.00 | 0.28 | 0.29 | 0.29 | 0.28 | 0.29 | 0.00 | 0.29 |
Cr | 1.35 | 0.00 | 1.36 | 0.00 | 1.33 | 0.00 | 1.33 | 0.00 | 1.37 | 0.00 | 1.36 | 1.35 | 1.38 | 1.36 | 1.34 | 0.00 | 1.35 |
Fe3+ | 0.32 | 0.32 | 0.36 | 0.35 | 0.31 | 0.33 | 0.33 | 0.30 | 0.33 | 0.35 | 0.34 | ||||||
Fe2+ | 0.53 | 0.16 | 0.52 | 0.14 | 0.52 | 0.15 | 0.54 | 0.13 | 0.39 | 0.15 | 0.39 | 0.38 | 0.43 | 0.44 | 0.47 | 0.15 | 0.44 |
Mn | 0.01 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Mg | 0.47 | 1.79 | 0.47 | 1.84 | 0.47 | 1.81 | 0.45 | 1.83 | 0.61 | 1.83 | 0.61 | 0.62 | 0.57 | 0.56 | 0.52 | 1.81 | 0.56 |
Ca | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Na | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
K | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Ni | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Total | 3.00 | 2.98 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 |
Mg# | 47.5 | 91.9 | 47.2 | 92.7 | 47.4 | 92.1 | 45.3 | 93.2 | 61.2 | 92.5 | 61.9 | 61.2 | 56.8 | 56.1 | 52.6 | 92.4 | 55.9 |
Cr# | 81.4 | 82.0 | 82.3 | 81.9 | 82.1 | 82.8 | 82.1 | 82.9 | 83.0 | 82.2 | 82.5 | ||||||
Fe3+/∑Fe | 0.38 | 0.38 | 0.41 | 0.39 | 0.45 | 0.46 | 0.47 | 0.41 | 0.43 | 0.42 | 0.44 |
Locality | Gaositai | ||||||||||||||||
Sample | GST-18 | GST-33-2 | GST-12 | GST-17 | GST-20 | GST-22 | GST-23 | GST-25 | GST-26 | GST-31 | GST-35-1 | ||||||
Rock type | Dunite | Dunite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | ||||||
Mineral | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Chr | Chr | Chr | Chr | Ol | Chr |
point | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
SiO2 | 0.04 | 41.6 | 0.08 | 41.5 | 0.03 | 41.2 | 0.05 | 42.2 | 0.01 | 41.4 | 0.02 | 0.01 | 0.05 | 0.02 | 0.02 | 42.1 | 0.02 |
TiO2 | 0.49 | 0.01 | 0.49 | 0.01 | 0.50 | 0.01 | 0.52 | 0.01 | 0.47 | 0.00 | 0.49 | 0.51 | 0.50 | 0.56 | 0.51 | 0.02 | 0.50 |
Al2O3 | 7.75 | 0.00 | 7.40 | 0.00 | 7.19 | 0.00 | 7.46 | 0.00 | 7.65 | 0.00 | 7.26 | 7.62 | 7.32 | 7.14 | 7.39 | 0.00 | 7.36 |
Cr2O3 | 50.6 | 0.02 | 51.7 | 0.04 | 49.9 | 0.02 | 50.2 | 0.06 | 52.5 | 0.02 | 52.1 | 52.1 | 52.7 | 51.9 | 50.9 | 0.02 | 51.7 |
FeO | 29.9 | 7.73 | 30.2 | 7.13 | 31.5 | 7.63 | 31.8 | 6.66 | 25.4 | 7.28 | 26.2 | 26.1 | 26.4 | 27.9 | 29.5 | 7.47 | 28.3 |
MnO | 0.47 | 0.12 | 0.54 | 0.13 | 0.44 | 0.14 | 0.46 | 0.12 | 0.33 | 0.14 | 0.33 | 0.30 | 0.31 | 0.33 | 0.41 | 0.16 | 0.42 |
MgO | 9.37 | 49.11 | 9.44 | 50.94 | 9.44 | 50.18 | 9.01 | 51.35 | 12.4 | 50.47 | 12.4 | 12.7 | 11.5 | 11.4 | 10.6 | 50.74 | 11.3 |
CaO | 0.01 | 0.21 | 0.00 | 0.16 | 0.01 | 0.21 | 0.00 | 0.17 | 0.00 | 0.17 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.20 | 0.01 |
Na2O | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.03 | 0.01 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.02 | 0.01 | 0.01 | 0.01 |
K2O | 0.01 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
NiO | 0.11 | 0.27 | 0.08 | 0.26 | 0.12 | 0.25 | 0.15 | 0.25 | 0.13 | 0.25 | 0.14 | 0.14 | 0.10 | 0.12 | 0.14 | 0.28 | 0.12 |
Total | 98.7 | 99.12 | 99.9 | 100 | 99.1 | 100 | 99.6 | 101 | 98.9 | 99.7 | 98.9 | 99.4 | 98.9 | 99.4 | 99.5 | 101 | 99.7 |
Si | 0.00 | 1.02 | 0.00 | 1.00 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.01 | 0.00 |
Ti | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Al | 0.31 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.30 | 0.00 | 0.28 | 0.29 | 0.29 | 0.28 | 0.29 | 0.00 | 0.29 |
Cr | 1.35 | 0.00 | 1.36 | 0.00 | 1.33 | 0.00 | 1.33 | 0.00 | 1.37 | 0.00 | 1.36 | 1.35 | 1.38 | 1.36 | 1.34 | 0.00 | 1.35 |
Fe3+ | 0.32 | 0.32 | 0.36 | 0.35 | 0.31 | 0.33 | 0.33 | 0.30 | 0.33 | 0.35 | 0.34 | ||||||
Fe2+ | 0.53 | 0.16 | 0.52 | 0.14 | 0.52 | 0.15 | 0.54 | 0.13 | 0.39 | 0.15 | 0.39 | 0.38 | 0.43 | 0.44 | 0.47 | 0.15 | 0.44 |
Mn | 0.01 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Mg | 0.47 | 1.79 | 0.47 | 1.84 | 0.47 | 1.81 | 0.45 | 1.83 | 0.61 | 1.83 | 0.61 | 0.62 | 0.57 | 0.56 | 0.52 | 1.81 | 0.56 |
Ca | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Na | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
K | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Ni | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Total | 3.00 | 2.98 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 |
Mg# | 47.5 | 91.9 | 47.2 | 92.7 | 47.4 | 92.1 | 45.3 | 93.2 | 61.2 | 92.5 | 61.9 | 61.2 | 56.8 | 56.1 | 52.6 | 92.4 | 55.9 |
Cr# | 81.4 | 82.0 | 82.3 | 81.9 | 82.1 | 82.8 | 82.1 | 82.9 | 83.0 | 82.2 | 82.5 | ||||||
Fe3+/∑Fe | 0.38 | 0.38 | 0.41 | 0.39 | 0.45 | 0.46 | 0.47 | 0.41 | 0.43 | 0.42 | 0.44 |
Locality | Gaositai | ||||||||||||||||
Sample | GST-18 | GST-33-2 | GST-12 | GST-17 | GST-20 | GST-22 | GST-23 | GST-25 | GST-26 | GST-31 | GST-35-1 | ||||||
Rock type | Dunite | Dunite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | ||||||
Mineral | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Chr | Chr | Chr | Chr | Ol | Chr |
point | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
SiO2 | 0.04 | 41.6 | 0.08 | 41.5 | 0.03 | 41.2 | 0.05 | 42.2 | 0.01 | 41.4 | 0.02 | 0.01 | 0.05 | 0.02 | 0.02 | 42.1 | 0.02 |
TiO2 | 0.49 | 0.01 | 0.49 | 0.01 | 0.50 | 0.01 | 0.52 | 0.01 | 0.47 | 0.00 | 0.49 | 0.51 | 0.50 | 0.56 | 0.51 | 0.02 | 0.50 |
Al2O3 | 7.75 | 0.00 | 7.40 | 0.00 | 7.19 | 0.00 | 7.46 | 0.00 | 7.65 | 0.00 | 7.26 | 7.62 | 7.32 | 7.14 | 7.39 | 0.00 | 7.36 |
Cr2O3 | 50.6 | 0.02 | 51.7 | 0.04 | 49.9 | 0.02 | 50.2 | 0.06 | 52.5 | 0.02 | 52.1 | 52.1 | 52.7 | 51.9 | 50.9 | 0.02 | 51.7 |
FeO | 29.9 | 7.73 | 30.2 | 7.13 | 31.5 | 7.63 | 31.8 | 6.66 | 25.4 | 7.28 | 26.2 | 26.1 | 26.4 | 27.9 | 29.5 | 7.47 | 28.3 |
MnO | 0.47 | 0.12 | 0.54 | 0.13 | 0.44 | 0.14 | 0.46 | 0.12 | 0.33 | 0.14 | 0.33 | 0.30 | 0.31 | 0.33 | 0.41 | 0.16 | 0.42 |
MgO | 9.37 | 49.11 | 9.44 | 50.94 | 9.44 | 50.18 | 9.01 | 51.35 | 12.4 | 50.47 | 12.4 | 12.7 | 11.5 | 11.4 | 10.6 | 50.74 | 11.3 |
CaO | 0.01 | 0.21 | 0.00 | 0.16 | 0.01 | 0.21 | 0.00 | 0.17 | 0.00 | 0.17 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.20 | 0.01 |
Na2O | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.03 | 0.01 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.02 | 0.01 | 0.01 | 0.01 |
K2O | 0.01 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
NiO | 0.11 | 0.27 | 0.08 | 0.26 | 0.12 | 0.25 | 0.15 | 0.25 | 0.13 | 0.25 | 0.14 | 0.14 | 0.10 | 0.12 | 0.14 | 0.28 | 0.12 |
Total | 98.7 | 99.12 | 99.9 | 100 | 99.1 | 100 | 99.6 | 101 | 98.9 | 99.7 | 98.9 | 99.4 | 98.9 | 99.4 | 99.5 | 101 | 99.7 |
Si | 0.00 | 1.02 | 0.00 | 1.00 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.01 | 0.00 |
Ti | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Al | 0.31 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.30 | 0.00 | 0.28 | 0.29 | 0.29 | 0.28 | 0.29 | 0.00 | 0.29 |
Cr | 1.35 | 0.00 | 1.36 | 0.00 | 1.33 | 0.00 | 1.33 | 0.00 | 1.37 | 0.00 | 1.36 | 1.35 | 1.38 | 1.36 | 1.34 | 0.00 | 1.35 |
Fe3+ | 0.32 | 0.32 | 0.36 | 0.35 | 0.31 | 0.33 | 0.33 | 0.30 | 0.33 | 0.35 | 0.34 | ||||||
Fe2+ | 0.53 | 0.16 | 0.52 | 0.14 | 0.52 | 0.15 | 0.54 | 0.13 | 0.39 | 0.15 | 0.39 | 0.38 | 0.43 | 0.44 | 0.47 | 0.15 | 0.44 |
Mn | 0.01 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Mg | 0.47 | 1.79 | 0.47 | 1.84 | 0.47 | 1.81 | 0.45 | 1.83 | 0.61 | 1.83 | 0.61 | 0.62 | 0.57 | 0.56 | 0.52 | 1.81 | 0.56 |
Ca | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Na | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
K | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Ni | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Total | 3.00 | 2.98 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 |
Mg# | 47.5 | 91.9 | 47.2 | 92.7 | 47.4 | 92.1 | 45.3 | 93.2 | 61.2 | 92.5 | 61.9 | 61.2 | 56.8 | 56.1 | 52.6 | 92.4 | 55.9 |
Cr# | 81.4 | 82.0 | 82.3 | 81.9 | 82.1 | 82.8 | 82.1 | 82.9 | 83.0 | 82.2 | 82.5 | ||||||
Fe3+/∑Fe | 0.38 | 0.38 | 0.41 | 0.39 | 0.45 | 0.46 | 0.47 | 0.41 | 0.43 | 0.42 | 0.44 |
Locality | Gaositai | ||||||||||||||||
Sample | GST-18 | GST-33-2 | GST-12 | GST-17 | GST-20 | GST-22 | GST-23 | GST-25 | GST-26 | GST-31 | GST-35-1 | ||||||
Rock type | Dunite | Dunite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | Chromitite | ||||||
Mineral | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Ol | Chr | Chr | Chr | Chr | Chr | Ol | Chr |
point | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
SiO2 | 0.04 | 41.6 | 0.08 | 41.5 | 0.03 | 41.2 | 0.05 | 42.2 | 0.01 | 41.4 | 0.02 | 0.01 | 0.05 | 0.02 | 0.02 | 42.1 | 0.02 |
TiO2 | 0.49 | 0.01 | 0.49 | 0.01 | 0.50 | 0.01 | 0.52 | 0.01 | 0.47 | 0.00 | 0.49 | 0.51 | 0.50 | 0.56 | 0.51 | 0.02 | 0.50 |
Al2O3 | 7.75 | 0.00 | 7.40 | 0.00 | 7.19 | 0.00 | 7.46 | 0.00 | 7.65 | 0.00 | 7.26 | 7.62 | 7.32 | 7.14 | 7.39 | 0.00 | 7.36 |
Cr2O3 | 50.6 | 0.02 | 51.7 | 0.04 | 49.9 | 0.02 | 50.2 | 0.06 | 52.5 | 0.02 | 52.1 | 52.1 | 52.7 | 51.9 | 50.9 | 0.02 | 51.7 |
FeO | 29.9 | 7.73 | 30.2 | 7.13 | 31.5 | 7.63 | 31.8 | 6.66 | 25.4 | 7.28 | 26.2 | 26.1 | 26.4 | 27.9 | 29.5 | 7.47 | 28.3 |
MnO | 0.47 | 0.12 | 0.54 | 0.13 | 0.44 | 0.14 | 0.46 | 0.12 | 0.33 | 0.14 | 0.33 | 0.30 | 0.31 | 0.33 | 0.41 | 0.16 | 0.42 |
MgO | 9.37 | 49.11 | 9.44 | 50.94 | 9.44 | 50.18 | 9.01 | 51.35 | 12.4 | 50.47 | 12.4 | 12.7 | 11.5 | 11.4 | 10.6 | 50.74 | 11.3 |
CaO | 0.01 | 0.21 | 0.00 | 0.16 | 0.01 | 0.21 | 0.00 | 0.17 | 0.00 | 0.17 | 0.01 | 0.01 | 0.02 | 0.01 | 0.01 | 0.20 | 0.01 |
Na2O | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.03 | 0.01 | 0.01 | 0.00 | 0.00 | 0.01 | 0.00 | 0.02 | 0.01 | 0.01 | 0.01 |
K2O | 0.01 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
NiO | 0.11 | 0.27 | 0.08 | 0.26 | 0.12 | 0.25 | 0.15 | 0.25 | 0.13 | 0.25 | 0.14 | 0.14 | 0.10 | 0.12 | 0.14 | 0.28 | 0.12 |
Total | 98.7 | 99.12 | 99.9 | 100 | 99.1 | 100 | 99.6 | 101 | 98.9 | 99.7 | 98.9 | 99.4 | 98.9 | 99.4 | 99.5 | 101 | 99.7 |
Si | 0.00 | 1.02 | 0.00 | 1.00 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 1.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.01 | 0.00 |
Ti | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Al | 0.31 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.29 | 0.00 | 0.30 | 0.00 | 0.28 | 0.29 | 0.29 | 0.28 | 0.29 | 0.00 | 0.29 |
Cr | 1.35 | 0.00 | 1.36 | 0.00 | 1.33 | 0.00 | 1.33 | 0.00 | 1.37 | 0.00 | 1.36 | 1.35 | 1.38 | 1.36 | 1.34 | 0.00 | 1.35 |
Fe3+ | 0.32 | 0.32 | 0.36 | 0.35 | 0.31 | 0.33 | 0.33 | 0.30 | 0.33 | 0.35 | 0.34 | ||||||
Fe2+ | 0.53 | 0.16 | 0.52 | 0.14 | 0.52 | 0.15 | 0.54 | 0.13 | 0.39 | 0.15 | 0.39 | 0.38 | 0.43 | 0.44 | 0.47 | 0.15 | 0.44 |
Mn | 0.01 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.00 | 0.01 |
Mg | 0.47 | 1.79 | 0.47 | 1.84 | 0.47 | 1.81 | 0.45 | 1.83 | 0.61 | 1.83 | 0.61 | 0.62 | 0.57 | 0.56 | 0.52 | 1.81 | 0.56 |
Ca | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Na | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
K | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Ni | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 |
Total | 3.00 | 2.98 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 2.99 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2.99 | 3.00 |
Mg# | 47.5 | 91.9 | 47.2 | 92.7 | 47.4 | 92.1 | 45.3 | 93.2 | 61.2 | 92.5 | 61.9 | 61.2 | 56.8 | 56.1 | 52.6 | 92.4 | 55.9 |
Cr# | 81.4 | 82.0 | 82.3 | 81.9 | 82.1 | 82.8 | 82.1 | 82.9 | 83.0 | 82.2 | 82.5 | ||||||
Fe3+/∑Fe | 0.38 | 0.38 | 0.41 | 0.39 | 0.45 | 0.46 | 0.47 | 0.41 | 0.43 | 0.42 | 0.44 |
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