MnO | 0 | 0 | 0.01 | 0.02 | 0.01 | 0.01 | 0 | 0.03 |
|
MgO | 0.1 | 0.05 | 0.09 | 0.05 | 0.04 | 0.02 | 0.03 | 0.06 |
|
CaO | 16.93 | 17.34 | 14.15 | 17.48 | 18.24 | 18.18 | 17.63 | 17.5 |
|
Na2O | 2.07 | 1.84 | 3.65 | 1.84 | 1.55 | 1.41 | 1.7 | 1.47 |
|
K2O | 0.09 | 0.04 | 0.12 | 0.06 | 0.03 | 0.03 | 0.04 | 0.03 |
|
FeO | 0.68 | 0.64 | 0.94 | 0.62 | 0.63 | 0.59 | 0.67 | 0.61 |
|
An | 81.5 | 83.7 | 67.7 | 83.7 | 86.5 | 87.5 | 84.9 | 86.7 |
|
Ab | 18 | 16.1 | 31.6 | 15.9 | 13.3 | 12.3 | 14.8 | 13.2 |
|
Or | 0.5 | 0.2 | 0.7 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 |
|