Table 8.

Results of the isotopic analyses

No.Rock typeSr (ppm)Rb (ppm)87Rb/86SrError (2σ)87Sr/86SrError (2σ)(87Sr/86Sr)iSm (ppm)Nd (ppm)147Sm/144NdError (2σ)143Nd/144NdError (2σ)(143Nd/144Nd)iεNd
Z-2Dacite4266.890.04690.0230.70610.0000140.70632.89100.17490.0060.51290.0000120.51286.23
Z-4Rhyolite98110.32870.0340.70490.0000120.70483.2210.70.18150.0030.51300.0000240.51297.38
Z-5Rhyolite14250.11190.0010.70440.0000210.704453.0710.70.17240.0060.51290.0000170.51286.34
Z-8Dacite134220.47590.0770.70490.0000100.70492.849.70.17680.0050.51290.0000150.51285.94
Z-10Rhyolite21840.05310.0090.70410.0000170.70412.558.920.17080.0060.51290.0000230.51285.91
Z-15Trachyandesite691.40.05870.0230.70470.0000220.70473.49.70.21100.0060.51300.000016051296.93
Z-17Dacite21760.08010.0030.69050.0000200.70492.738.90.18550.0020.51300.0000180.51286.33
Z-21Dacite109160.44010.0020.70500.0000110.70502.116.90.18410.0050.51290.0000200.51285.95
k-1Gabbrodiorite233210.26510.0210.70440.0000270.70422.739.80.16820.0070.51290.0000100.51296.24
k-2Diorite541110.06010.0310.70420.0000180.70461.809.20.11810.0060.51300.0000250.51297.22
k-3Gabbrodiorite204120.16420.0350.70460.0000160.70451.946.60.17830.0030.51290.0000110.51285.81
k-7Granite12230.05290.0430.70530.0000230.70582.357.50.18890.0070.51300.0000140.51297.01
k-10Granite10520.05250.0360.70530.0000150.70554.1311.80.21130.0040.51300.0000260.51286.13
k-11Granite1351.80.03860.0230.70590.0000130.70533.6610.80.20400.0050.51300.0000130.51286.16