MAJOR OR ESSENTIAL OXIDES (2MB)
1-3 group
4-5 sample
7-11 group+sample
13-18 number of reference
20-24 code number of the rock name
26-30 SiO2
32-36 TiO2
38-42 Al2O3
44-48 Fe2O3
50-54 FeO
56-60 MnO
62-66 MgO
68-72 CaO
74-78 Na2O
80-84 K2O
86-90 P2O5
92-96 CO2
98-102 H2O+
104-108 H2O-
110-115 Author's total

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