Geochemical Data from Ubinas
Sample1
Sample2
SiO2
56.59
59.86
TiO2
1.15
0.89
Al2O3
17.24
16.90
Fe2O3
7.19
6.32
FeO
n/a
n/a
MnO
0.10
0.10
MgO
4.35
2.80
CaO
7.10
5.20
Na2O
4.17
4.10
K2O
2.21
2.82
P2O5
0.45
0.36
SUM
100.55
99.35
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