|
Eruptions
|
1979
|
1989
|
November 26–27, 2014
|
|---|
|
Sample ID
|
GK790616
|
GK791126
|
OW1985
|
ASO891006
|
ASO891010
|
ASO891012
|
ASO891014
|
1127 K-2
|
I141129S01
|
I141129S02
|
I141129S03
|
I141129S04
|
|---|
|
SiO2
|
54.64
|
54.37
|
54.16
|
53.97
|
53.95
|
54.03
|
53.96
|
54.05
|
54.24
|
53.93
|
53.97
|
53.87
|
|
TiO2
|
0.93
|
0.88
|
0.88
|
0.98
|
0.97
|
0.94
|
0.97
|
0.96
|
0.94
|
0.93
|
0.96
|
0.96
|
|
Al2O3
|
18.07
|
18.49
|
18.42
|
16.97
|
17.40
|
17.91
|
17.54
|
18.10
|
17.90
|
18.20
|
17.99
|
17.95
|
|
FeOt
|
8.23
|
8.31
|
8.34
|
8.86
|
8.74
|
8.40
|
8.53
|
8.45
|
8.54
|
8.33
|
8.59
|
8.55
|
|
MnO
|
0.15
|
0.15
|
0.15
|
0.16
|
0.15
|
0.15
|
0.15
|
0.16
|
0.17
|
0.16
|
0.16
|
0.17
|
|
MgO
|
3.69
|
3.47
|
3.48
|
3.99
|
3.84
|
3.48
|
3.63
|
3.76
|
3.95
|
3.70
|
3.92
|
3.77
|
|
CaO
|
8.76
|
8.77
|
8.74
|
8.56
|
8.50
|
8.62
|
8.54
|
8.59
|
8.86
|
8.72
|
8.75
|
8.67
|
|
Na2O
|
3.03
|
2.95
|
3.38
|
3.03
|
3.13
|
3.07
|
3.19
|
3.08
|
3.01
|
3.05
|
3.03
|
3.00
|
|
K2O
|
1.91
|
2.02
|
2.01
|
2.02
|
2.01
|
2.00
|
2.04
|
2.03
|
1.96
|
1.97
|
1.97
|
2.03
|
|
P2O5
|
0.26
|
0.29
|
0.29
|
0.30
|
0.30
|
0.29
|
0.30
|
0.29
|
0.28
|
0.28
|
0.28
|
0.28
|
|
Total
|
99.67
|
100.40
|
99.85
|
98.84
|
98.99
|
98.89
|
98.85
|
100.40
|
100.79
|
100.20
|
100.59
|
100.20
|
- FeOt: Total FeO
- Data on two 1979 scoria (GK790616 and GK791126) and four 1989 scoria are from GSJ and Kumamoto Univ (1990)
- Data on OW1985 is scoria of November 1979 eruption from Ono and Watanabe (1985)
- Samples I141129S01-04 were collected by GSJ and 1127 K-2 by JMA
