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Table 2 Paleomagnetic results in the second eruption cycle

From: Paleomagnetism and U-Pb geochronology of the late Cretaceous Chisulryoung Volcanic Formation, Korea: tectonic evolution of the Korean Peninsula

Member Site ϕ s λ s n 1 / n 2 D i I i K α 95 ϕ p λ p dp dm
A4 5a 129.15 35.40 4/6 138.8 −54.7 24.9 18.8 263.7 −56.8 27.4 32.1
6 129.15 35.40 4/5 17.5 13.7 27.1 18.0 275.6 57.3 9.4 18.4
7 129.15 35.41 6/7 27.2 51.0 24.8 11.5 220.7 67.1 10.5 15.6
8 129.15 35.41 6/7 36.5 33.0 60.5 8.7 237.8 53.3 5.6 9.9
9 129.15 35.41 5/6 36.1 21.3 35.7 13.0 246.9 49.2 7.2 13.7
10 129.15 35.41 4/6 20.5 23.4 24.4 19.0 265.4 60.3 10.8 20.2
17 129.14 35.41 11/11 346.1 48.9 104.7 4.5 17.5 77.0 3.9 5.9
19 129.14 35.41 14/18 346.2 36.5 15.5 10.4 351.6 70.6 7.1 12.1
20 129.14 35.41 17/23 358.2 32.3 37.6 5.9 314.7 72.1 3.8 6.7
21 129.15 35.41 24/24 16.4 36.2 36.0 5.0 261.5 69.0 3.4 5.8
22 129.14 35.41 14/14 359.4 41.3 16.6 10.1 311.9 78.3 7.5 12.3
23 129.14 35.41 9/21 201.3 −41.6 12.2 15.4 65.3 −68.3 11.5 18.8
24 129.14 35.41 10/16 192.2 −53.0 8.3 17.8 46.0 −79.8 17.1 24.7
25 129.14 35.41 10/13 357.0 48.4 25.5 9.8 332.8 83.5 8.4 12.9
26 129.15 35.39 13/14 186.6 −46.9 10.2 13.7 89.7 −80.8 11.4 17.7
27 129.15 35.39 19/22 192.2 −55.3 15.4 8.8 33.0 −80.1 8.9 12.5
28 129.15 35.39 14/14 11.1 60.7 22.1 8.6 180.0 79.3 10.0 13.1
29 129.15 35.39 8/10 3.9 32.3 23.5 11.7 297.2 71.8 7.4 13.2
30 129.15 35.40 17/19 2.7 30.9 30.3 6.6 301.1 71.1 4.1 7.4
Mean Normal    10.7 50.0 31.1 7.2 243.4 79.9 A 95= 6.4
Mean Reversed    192.3 −39.7 112.7 8.7 266.0 −73.3 A 95= 6.3
Mean     10.9 50.1 38.6 5.6 242.4 79.8 A 95= 5.0
IWT 12 129.16 35.39 9/9 99.9 84.2 56.3 6.9 142.6 32.7 13.4 13.6
13 129.16 35.39 10/10 240.4 70.6 12.7 14.1 98.1 14.0 21.2 24.4
14 129.16 35.38 10/10 303.2 76.3 27.5 9.4 97.5 45.7 16.1 17.4
15 129.16 35.38 8/8 338.4 73.8 22.6 11.9 106.1 61.8 19.3 21.4
16 129.16 35.38 7/7 265.5 83.0 47.9 8.8 112.7 33.2 16.8 17.2
Mean     285.7 82.3 17.6 5.3 110.5 38.1 A 95= 10.1
  1. ϕ p /λ p , sampling site longitude/latitude; n 1/n 2, number of samples used in calculating means/demagnetized at each site; D i /I i , mean declination/inclination; k, precision parameter; α 95, 95% confidence limit; ϕ p /λ p , VGP longitude/latitude; dp/dm, confidence limits; A 95, the angular radius of an ellipse within which the mean pole lies within 95% confidence. aNot included in mean calculation.