Table 3 LA-ICP-MS zircon U–Pb isotopic data. The sample name is the same as the zircon grain number in Fig. 6a.

From: Kibi Plateau: A stable-coherent tectonic unit in the active Japanese Islands

Sample nameIsotopic ratioAge (Ma)Th/UConcordance
207Pb/235U206Pb/238U207Pb/206Pb235U-207Pb238U-206Pb
IT10.022790.005070.005200.000140.031790.0070122.95.0333.40.920.410.01146.1
IT40.037420.004140.005070.000130.053500.0057737.34.0532.60.810.540.0187.5
IT60.032380.003790.005080.000130.046210.0052932.43.7332.70.810.870.01101.0
IT70.036470.003840.004910.000120.053850.0055236.43.7731.60.780.670.0186.9
IT80.033390.004000.004980.000130.048600.0057033.33.9332.00.810.630.0196.1
IT90.040200.004350.005180.000130.056270.0059140.04.2433.30.840.540.0183.2
IT110.038680.003840.005250.000130.053430.0051538.53.7633.80.810.740.0187.6
IT130.086270.006400.005160.000130.121310.0084484.05.9933.20.860.620.0139.5
IT140.065730.003920.005270.000120.090500.0050264.63.7333.90.740.910.0252.4
IT150.045920.004790.005210.000140.063940.0064645.64.6533.50.870.570.0173.5
IT160.033120.002250.005760.000120.041690.0027033.12.2137.00.780.930.02111.9
IT170.033280.003990.005260.000130.045860.0053733.23.9233.80.860.640.02101.8
IT180.095260.007410.005620.000150.122890.0089892.46.8736.10.960.570.0139.1
IT190.082520.005920.005680.000140.105290.0070880.55.5536.50.910.820.0245.4
IT200.033960.003950.005210.000130.047290.0053733.93.8833.50.850.720.0298.8
IT210.031990.002110.004950.000110.046820.0029232.02.0731.90.681.840.0499.7
IT220.049540.004430.005280.000130.068100.0058449.14.2833.90.850.700.0269.1
IT230.037740.003620.005000.000120.054690.0050737.63.5432.20.780.980.0285.6
IT240.031950.003590.005160.000130.044880.0049231.93.5333.20.820.960.02104.0
IT250.030770.003140.005140.000120.043390.0043130.83.1033.10.790.880.02107.5
IT260.033200.002350.005160.000110.046700.0031533.22.3133.10.721.240.03100.0
IT270.029470.004770.005000.000140.042790.0068229.54.7032.10.890.670.02108.9
IT280.108830.007130.005850.000150.134920.00816104.96.5337.60.940.730.0235.8
IT290.032360.002910.004910.000100.047790.0041832.32.8731.60.670.720.0297.7
IT300.037680.004460.005190.000130.052700.0061037.64.3633.30.810.680.0288.8
IT310.031450.002850.005050.000110.045150.0039831.42.8132.50.680.840.02103.3