Table T22. The depths of the correlative peaks of magnetic susceptibility.
Key bed
lithologySection
Interval
(cm)Distance from core top (m)
Depth below core top (m)
Section
Interval
(cm)Distance from core top (m)
Depth below core top (m)
Section
Interval
(cm)Distance from core top (m)
Depth below core top (m)
Depth
(mcd)
Core 180-1109A-1H
Core 180-1109B-1H
Core 180-1109C-1H
1
8
0.08
0.08
1
28
0.28
0.28
0.28
1
72
0.72
0.69
1
96
0.96
0.96
0.93
Ash
1
120
1.20
1.14
1
144
1.44
1.44
1.39
1
132
1.32
1.26
2
4
1.54
1.54
1.50
2
4
1.54
1.47
2
24
1.69
1.69
2
28
1.78
1.78
1.73
2
8
1.58
1.51
2
28
1.73
1.73
2
36
1.86
1.86
1.78
2
28
1.78
1.70
2
44
1.89
1.89
2
52
2.02
2.02
1.95
2
56
2.01
2.01
2
60
2.10
2.10
2
64
2.09
2.09
2
68
2.18
2.18
2
68
2.13
2.13
2
76
2.26
2.26
2
76
2.21
2.21
2
84
2.34
2.34
Calcareous sand
3
8
3.08
2.94
3
20
3.15
3.15
3
32
3.32
3.32
3.22
3
24
3.24
3.09
3
40
3.35
3.35
3
40
3.40
3.40
3.36
3
52
3.47
3.47
3
48
3.48
3.48
3
60
3.55
3.55
3
64
3.64
3.64
3
52
3.52
3.36
3
76
3.71
3.71
3
68
3.68
3.68
3.66
3
68
3.68
3.51
3
88
3.83
3.83
3
88
3.88
3.88
3.82
4
32
4.82
4.60
4
28
4.73
4.73
4
36
4.86
4.86
4.81
Core 180-1109B-2H
Ash
4
104
5.54
5.28
1
28
0.28
0.27
4
104
5.54
5.54
5.49
4
112
5.62
5.36
1
36
0.36
0.35
4
112
5.62
5.62
5.57
5
24
6.24
5.95
1
96
0.96
0.92
5
28
6.28
6.28
6.18
Core 180-1109C-2H
5
116
7.16
6.83
2
40
1.90
1.83
7.07
6
8
7.58
7.23
1
24
0.24
0.23
7.47
6
12
7.62
7.27
2
84
2.34
2.25
7.50
6
16
7.66
7.31
1
36
0.36
0.34
7.54
Volcaniclastic sand
2
100
2.50
2.41
1
44
0.44
0.42
7.70
6
56
8.06
7.69
2
128
2.78
2.68
7.97
6
64
8.14
7.76
2
144
2.94
2.83
8.08
6
92
8.42
8.03
3
16
3.16
3.04
1
84
0.84
0.80
8.32
6
108
8.58
8.18
3
28
3.28
3.16
1
104
1.04
1.00
8.47
3
36
3.36
3.24
1
120
1.20
1.15
8.59
3
52
3.52
3.39
1
136
1.36
1.30
8.74
6
136
8.86
8.45
3
60
3.60
3.47
1
144
1.44
1.38
8.82
7
24
9.24
8.81
3
128
4.28
4.12
2
60
2.10
2.01
9.37
7
44
9.44
9.00
2
68
2.18
2.09
9.50
4
12
4.62
4.45
2
92
2.42
2.32
9.73
4
20
4.70
4.53
2
96
2.46
2.36
9.79
5
24
5.54
5.34
3
40
3.40
3.26
10.64
5
40
5.70
5.49
3
56
3.56
3.41
10.80
Volcaniclastic sand
5
56
5.86
5.65
3
68
3.68
3.52
10.93
5
64
5.94
5.72
3
76
3.76
3.60
11.01
5
68
5.98
5.76
3
80
3.80
3.64
11.05
5
84
6.14
5.92
3
104
4.04
3.87
11.24
6
20
7.00
6.74
4
40
4.90
4.69
12.07
6
28
7.08
6.82
4
44
4.94
4.73
12.12
6
48
7.28
7.01
4
72
5.22
5.00
12.35
6
60
7.40
7.13
4
80
5.30
5.08
12.45
Ash
6
76
7.56
7.28
4
92
5.42
5.19
12.59
Calcareous sand
6
120
8.00
7.71
4
136
5.86
5.61
13.01
7
36
8.66
8.34
5
56
6.56
6.28
13.66
7
72
9.02
8.69
5
92
6.92
6.63
14.01
7
92
9.22
8.88
5
112
7.12
6.82
14.20
7
112
9.42
9.08
5
132
7.32
7.01
14.39
Notes: mcd = meters composite depth. Gray areas indicate key beds.