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Table 1 Directions of reverse polarity ChRM components

From: Timing of clockwise rotation of Southwest Japan: constraints from new middle Miocene paleomagnetic results

Site

n af /n th /n/N

D i

I i

D c

I c

α 95

k

  

(°)

(°)

(°)

(°)

(°)

 

W1

1/0/1/1

227.0

−33.9

228.9

−35.1

  

W2

2/2/4/1

193.0

−38.3

194.3

−40.9

20.5

21.0

W6

1/1/2/1

240.5

−38.9

242.9

−39.4

  

W8

3/1/4/1

200.3

−25.7

201.3

−28.0

10.7

74.3

W9

1/0/1/1

109.2

−56.4

105.4

−58.1

  

W10

3/0/3/1

212.6

−62.1

217.3

−63.9

27.9

20.5

W11

2/0/2/1

165.5

−33.4

165.6

−36.4

  

W12

0/1/1/1

173.8

−34.6

174.3

−37.5

  

W13

3/1/4/3

165.3

−36.1

165.4

−39.1

9.5

95.0

W15

4/1/5/2

193.1

−30.1

194.1

−32.7

12.4

39.3

W16

0/1/1/1

203.5

−44.0

205.5

−46.2

  

W17

3/0/3/1

203.1

−29.6

204.3

−31.8

25.2

25.0

W19

3/0/3/1

208.4

−26.3

209.5

−28.3

12.0

106.5

W21

3/1/4/1

202.5

−34.4

203.9

−36.7

11.9

61.0

W22

3/1/4/1

193.1

−36.1

194.3

−38.7

10.4

78.9

W23

5/2/7/2

199.3

−32.0

200.5

−34.4

5.1

143.3

W24

3/0/3/1

194.9

−48.6

196.9

−51.1

34.1

14.1

W25

1/0/1/1

190.9

−38.8

192.1

−41.4

  

W26

1/1/2/1

210.7

−43.9

213.0

−45.8

  

W31

0/1/1/1

189.0

−31.6

189.9

−34.3

  

W32

5/2/7/2

208.8

−47.7

211.3

−49.7

24.3

7.1

W33

3/1/4/1

190.4

−29.8

191.3

−32.4

18.1

26.7

W34

2/0/2/1

204.0

−45.5

206.2

−47.7

  

W36

3/1/4/1

172.5

−32.8

172.9

−35.7

19.8

22.5

W37

3/1/4/1

195.0

−30.1

196.0

−32.6

12.3

56.4

W38

1/0/1/1

184.7

−43.6

185.9

−46.4

  

W39

4/2/6/2

185.2

−52.4

186.9

−55.1

6.4

111.4

W40

0/1/1/1

209.9

−35.3

211.6

−37.3

  

W41

2/1/3/1

184.8

−35.3

185.7

−38.1

26.7

22.4

W42

3/1/4/1

199.0

−37.8

200.5

−40.2

16.2

33.0

W43

4/2/6/2

204.1

−44.7

206.2

−46.9

10.9

38.9

E3

0/1/1/1

187.3

−18.3

187.8

−21.0

  

E7

0/1/1/1

191.2

−57.9

193.8

−60.5

  

E8

2/1/3/1

178.7

−37.3

179.4

−40.2

26.7

22.4

E9

0/3/3/1

174.0

−40.7

174.6

−43.6

11.3

121.0

E10

3/1/4/1

201.4

−59.4

204.9

−61.7

11.8

61.1

E11

3/0/3/1

155.4

−43.4

155.0

−46.4

7.1

298.7

E12

3/1/4/2

170.9

−37.7

171.3

−40.7

6.6

196.6

E13

0/3/3/1

178.3

−41.8

179.1

−44.7

21.5

34.0

E14

0/2/2/1

175.0

−23.7

175.3

−26.6

  

E15

2/0/2/1

188.0

−29.3

188.8

−32.0

  

E16

2/1/3/1

187.9

−19.8

188.4

−22.5

10.1

151.3

E18

1/1/2/1

191.4

−46.7

193.1

−49.3

  

E19

0/2/2/1

199.0

−32.9

200.2

−35.3

  

E20

0/3/3/1

202.1

−30.3

203.3

−32.6

5.9

431.0

E22

3/1/4/1

199.7

−24.6

200.6

−27.0

10.5

77.6

E23

1/2/3/1

208.1

−21.2

209.0

−23.3

31.3

16.5

E26

0/1/1/1

187.8

−33.0

188.7

−35.7

  

Mean 1

92/50/142/56

192.7

−38.3

193.9

−40.9

3.0

17.1

Mean 2

(17)

191.0

−36.4

192.2

−39.0

7.1

26.3

  1. naf and nth number of samples subjected to alternating field demagnetization and thermal demagnetization, respectively, n total number of samples, N number of oriented cores, Di and Ii in situ declination and inclination, respectively, Dc and Ic tilt-corrected declination and inclination, respectively, α95 radius of 95 % confidence cone, k precision parameter. Mean 1 overall mean of all sample ChRM directions (n = 142). Mean 2 overall mean of site-mean directions (17 sites) with n > 2 and α 95 < 16.0°