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Table 1 Paleomagnetic results in the first 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
A3 1 129.14 35.40 6/10 16.2 48.0 87.8 7.2 239.2 74.9 6.2 9.4
2 129.14 35.40 5/7 13.8 49.3 59.6 10.0 239.5 77.3 8.8 13.3
3 129.14 35.40 5/7 23.2 50.3 65.4 9.5 225.2 70.2 8.5 12.7
4a 129.14 35.39 9/9 134.7 15.0 28.9 9.7 183.1 −29.4 5.1 10.0
Mean     19.1 49.2 76.5 4.2 232.1 73.1 A 95= 3.7
A1 11 129.15 35.41 4/8 16.6 52.2 82.2 10.2 225.1 76.0 9.6 14.0
18 129.14 35.41 7/11 29.8 53.1 59.7 7.9 214.5 65.5 7.6 11.0
Mean     24.9 52.9 61.7 5.9 217.3 69.4 A 95= 5.6
  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.