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Earth, Planets and Space

Table 4 Paleointensity results

From: Recent eruption history inferred from eruption ages of the two latest lava flows using multi-dating at Yokodake Volcano, Japan

Sample

T (°C)

N

β

f

q

MADanc (°)

α (°)

δCK (%)

δpal (%)

Pl ± σ (µT)

Selection criteria

≥ 5

≤ 0.1

≥ 0.35

≥ 5

≤ 6

≤ 15

≤ 7

≤ 10

Y8 lava

a-3

200–510

7

0.04

0.54

10.33

0.55

0.64

2.16

9.26

52.7 ± 2.0

a-4

400–580

7

0.02

0.69

28.85

1.63

2.02

2.06

2.80

60.4 ± 1.2

c-1

0–580

11

0.02

0.91

38.79

0.82

0.75

1.99

4.85

49.6 ± 1.0

c-5

0–580

11

0.02

0.88

42.21

1.15

1.54

3.68

9.96

54.9 ± 1.0

d-1

0–510

8

0.05

0.35

5.26

0.74

1.95

1.49

7.70

54.4 ± 2.9

e-1

150–580

9

0.02

0.90

47.74

0.93

0.99

2.10

1.32

55.5 ± 0.9

e-4

200–500

6

0.04

0.58

10.68

0.66

1.06

4.75

9.95

53.6 ± 2.2

e-5

0–600

12

0.01

0.96

60.99

0.89

0.76

1.88

4.97

54.1 ± 0.8

e-6

0–520

8

0.02

0.55

19.00

0.92

2.39

2.40

9.90

54.4 ± 1.3

e-8

200–520

7

0.05

0.56

9.83

0.72

1.16

2.90

9.65

57.0 ± 2.6

Mean

         

54.7 ± 2.8

Y9 lava

d-2

250–580

10

0.01

0.90

111.27

1.41

1.10

3.96

9.75

49.4 ± 0.3

e-3

400–550

8

0.02

0.78

25.84

0.60

0.50

1.32

2.23

61.0 ± 1.5

g-1

0–590

12

0.01

0.98

101.24

0.76

0.36

1.07

0.61

53.0 ± 0.4

i-2

100–560

11

0.02

0.94

41.00

0.83

0.71

1.22

4.45

58.4 ± 1.1

i-3

0–580

11

0.02

0.98

41.15

0.52

0.33

2.57

6.31

53.2 ± 1.1

i-4

0–400

6

0.02

0.81

13.82

1.26

1.46

0.52

0.10

53.7 ± 1.2

i-5

0–580

11

0.01

0.97

60.27

0.90

0.59

2.90

7.19

52.6 ± 0.7

j-4

200–580

10

0.01

0.95

70.51

0.54

0.36

3.21

0.68

57.5 ± 0.6

k-2

400–580

9

0.01

0.88

144.84

1.16

0.71

3.38

8.38

51.2 ± 0.3

k-4

0–580

11

0.01

0.97

61.42

0.42

0.09

3.11

1.41

55.4 ± 0.7

k-5

400–580

9

0.01

0.87

79.32

1.60

0.60

1.54

1.54

52.8 ± 0.5

k-6

400–580

9

0.01

0.90

65.27

0.75

0.46

4.31

0.37

54.2 ± 0.6

l-4

400–590

9

0.01

0.88

80.48

0.47

0.24

4.75

9.25

49.3 ± 0.4

Mean

         

54.0 ± 3.4

  1. Selection criteria are listed in the first row. T, temperature used to ascertain the paleointensity; N, number of points included in the linear best-fit; β, ratio of standard error of the slope of the selected segment in the Arai plot to the absolute value of the slope; f, fraction of the NRM used for best-fit; q, quality factor; MADanc, anchored maximum angular deviation; α, angular difference between anchored and non-anchored best solution; δCK, relative check error; δpal, cumulative check difference; Pl ± σ, paleointensity and standard deviation
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