Table 2 Results of dolomite stoichiometry inferred from single point analyses from EPMA data. Elemental compositions are in mole% calibrated to standard dolomite. Traces of Fe and Mn are constituents of dolomite.
Point | Comment | MgO(mole%) | CaO(mole%) | FeO(mole%) | MnO(mole%) | CO3(mole%) | Mg/Ca |
|---|---|---|---|---|---|---|---|
1 | Dolomite standard | 25.34 | 25.24 | 0.00 | 0.00 | 49.40 | 1.00 |
2 | MV1-dol-1 | 22.60 | 25.90 | 0.27 | 0.02 | 51.25 | 0.87 |
3 | MV1-dol-2 | 21.78 | 26.49 | 0.17 | 0.00 | 51.50 | 0.82 |
4 | MV1-dol-3 | 23.71 | 26.20 | 0.17 | 0.02 | 49.85 | 0.91 |
5 | MV2-dol-1 | 23.65 | 26.28 | 0.21 | 0.01 | 49.77 | 0.90 |
6 | MV2-dol-2 | 23.23 | 26.78 | 0.18 | 0.02 | 49.70 | 0.87 |
7 | MV2-dol-3 | 22.95 | 26.93 | 0.16 | 0.04 | 49.72 | 0.85 |