Table 3.

Whole-rock elemental and isotopic analytical results for early Cretaceous volcanic rocks from the Guangshan and Shangcheng areas in the North Huaiyang Belt

Chenpeng Formation in the Guangshan areaJingangtai Formation in the Shangcheng area
Sample:03XY-2203XY-2303XY-2403XY-2703XY-2803XY-3203XY-3703XY-3803XY-3903XY-4003XY-43
SiO264.9464.9361.9561.0863.4359.4857.6958.6760.4858.5956.10
Al2O315.8115.9015.2415.0415.3517.5915.4915.4914.9815.1815.40
Fe2O35.154.925.274.543.524.764.883.552.793.203.30
FeO0.130.130.170.221.051.272.353.103.553.805.20
CaO1.902.134.455.182.945.425.575.555.255.816.68
MgO0.590.750.831.221.941.463.373.162.803.133.68
Na2O4.264.613.384.034.344.042.902.773.072.872.93
K2O4.234.103.973.854.062.553.483.843.843.522.87
MnO0.120.140.090.130.080.150.110.100.100.120.14
TiO20.730.730.750.780.760.861.040.970.981.021.12
P2O50.360.390.390.350.330.400.410.390.370.390.51
LOI1.470.933.203.291.871.712.392.101.512.071.76
Total99.6999.6699.6999.7199.6799.6999.6899.6999.7299.7099.69
Mg#1823233445324747454645
ANK1.361.321.541.391.331.871.811.781.631.781.94
ACNK1.051.000.850.740.910.910.830.820.800.790.77
Sc8.3010.09.29.28.48.917.915.415.618.721.7
V56.766.362.660.171.985.0132118120137160
Cr86.996.293.410086.64.0814812180.819673.0
Co15.114.212.415.711.813.921.221.820.022.626.0
Ni39.646.242.040.240.15.2636.333.831.146.425.5
Ga19.420.518.819.718.621.019.919.220.620.020.6
Rb10010197.191.592.155.481.784.8159100109
Sr724784676757611799850837645788679
Y17.8019.4318.9619.4717.8319.7722.9122.0723.1421.3925.90
Zr247245249226224227228228298217290
Nb18.2217.7516.0416.6114.1912.5113.7313.1517.2312.7115.52
Ba17731790163716091593127714301360106311461217
La75.7777.1574.6972.7869.2651.5750.4050.0058.4646.9453.30
Ce129.0135.1131.2124.8120.694.7796.4792.14108.887.91104.5
Pr14.6315.1314.6714.1613.6111.1111.2010.9712.4110.3412.60
Nd51.0852.6250.7749.2647.2340.2242.0540.9245.1538.3547.34
Sm7.748.117.857.577.376.487.316.967.496.648.44
Eu1.741.861.831.721.711.781.811.741.741.771.87
Gd5.115.625.495.365.204.865.935.505.965.446.85
Tb0.740.790.790.750.740.720.840.810.880.780.99
Dy3.483.993.753.803.613.704.354.154.594.045.20
Ho0.650.720.700.730.670.710.850.820.860.790.99
Er1.691.971.831.921.801.902.272.172.322.122.68
Tm0.240.290.280.290.250.300.340.330.340.310.39
Yb1.451.741.631.761.521.812.071.962.061.912.37
Lu0.220.280.250.270.230.290.320.300.320.300.38
Hf6.026.305.995.665.615.355.635.497.285.296.96
Ta0.970.980.910.920.890.680.780.731.070.730.88
Th13.8114.4413.2513.2913.266.8212.5212.1122.0211.6910.27
U2.042.192.362.152.401.272.322.284.092.182.32
(La/Yb)N37.531.932.929.732.620.417.518.320.317.616.1
(Gd/Yb)N2.922.682.792.532.832.222.372.322.392.352.39
Eu*/Eu0.850.840.850.830.840.970.840.860.800.900.75
87Rb/86Sr0.3500.4360.2010.2780.2930.7140.3660.464
87Sr/86Sr0.707470.707250.706860.708110.708110.708520.708280.70832
2σ22212211
147Sm/144Nd0.0930.0940.0970.1050.1030.1000.1050.108
143Nd/144Nd0.511780.511880.511820.511850.511850.511840.511890.51179
2σ11111111
(87Sr/86Sr)i0.70680.70650.70650.70760.70760.70720.70760.7075
ɛNd(t)−14.9−13.2−14.3−13.8−13.9−14.0−13.2−15.1
TDM (Ga)1.721.621.741.821.791.761.761.96
Jingangtai Formation in the Shangcheng areaChenpeng Formation in the Shangcheng area
Sample:03XY-4403XY-4903XY-5003XY-5403XY-5903XY-6203XY-6303XY-6503XY-6603XY-6703XY-69
SiO268.2068.2966.5468.3868.3659.9959.9769.2254.7655.3857.05
Al2O315.1515.2414.8715.4815.2016.4916.9715.7515.7815.8916.24
Fe2O31.631.282.251.491.402.853.371.495.796.565.65
FeO1.201.401.801.151.252.602.100.673.652.703.35
CaO1.771.953.161.711.925.634.702.298.467.967.17
MgO0.770.741.390.660.722.001.910.322.902.702.72
Na2O3.723.723.363.833.783.293.643.332.602.742.82
K2O5.305.244.005.325.363.583.424.741.891.961.99
MnO0.070.070.100.060.070.100.090.050.140.140.12
TiO20.610.630.610.620.600.980.930.451.141.081.11
P2O50.130.130.180.120.120.420.420.110.310.320.33
LOI1.151.021.430.840.911.752.161.242.302.311.18
Total99.7099.7199.6999.6699.6999.6899.6899.6699.7299.7499.73
Mg#3434403234414022373637
ANK0.340.340.400.320.340.410.400.220.370.360.37
ACNK1.281.291.511.281.261.771.751.482.492.402.39
Sc6.77.68.75.77.811.311.94.523.723.426.7
V26.023.253.920.021.999.797.218.9176174190
Cr22.23.0676.033.034.736.242.5
Co3.312.918.092.182.4514.613.92.5527.726.330.6
Ni1.260.857.690.403.2128.412.50.4811.410.713.5
Ga18.920.018.219.819.320.020.918.317.918.819.7
Rb15315211914215297.379.313141.245.144.6
Sr397395454433447899838460578615583
Y25.4224.3220.9223.5425.1921.7721.9318.8926.0028.3826.29
Zr327312209335331239251202173182184
Nb19.5819.7614.5817.8220.0213.9614.7014.9411.6713.2113.21
Ba174817141521209618021250133822039781023991
La67.0566.9555.3666.0067.1351.0051.1858.2636.6739.1735.83
Ce114.3120.497.45118.8121.293.3399.8697.3469.3372.7269.93
Pr13.5413.6811.1413.6713.7310.9511.1610.668.4388.7978.512
Nd48.0748.1939.6947.4849.6241.0841.2236.0932.8534.1432.45
Sm7.747.726.457.778.006.967.015.606.036.215.95
Eu1.721.631.371.661.691.781.921.301.611.711.72
Gd5.935.764.845.575.805.475.764.175.555.945.36
Tb0.870.880.730.840.900.790.820.620.830.870.88
Dy4.434.563.764.434.544.044.253.364.654.844.77
Ho0.890.900.740.860.870.780.820.650.930.980.99
Er2.382.482.022.362.492.072.201.892.582.722.67
Tm0.370.380.310.370.370.310.340.290.400.420.42
Yb2.282.341.952.192.382.012.041.852.442.592.57
Lu0.360.380.310.350.380.310.320.290.400.420.42
Hf8.208.035.497.148.215.856.045.324.284.414.60
Ta1.191.210.881.151.180.790.871.000.680.690.73
Th20.3721.4516.1320.3220.8612.5914.0420.376.096.456.66
U3.824.083.153.943.982.532.663.001.101.181.25
(La/Yb)N21.120.520.321.620.218.218.022.610.810.810.0
(Gd/Yb)N2.162.042.052.102.012.252.341.871.881.901.72
Eu*/Eu0.770.750.750.770.760.880.920.820.850.860.93
87Rb/86Sr0.7610.313
87Sr/86Sr0.709430.70788
2σ22
147Sm/144Nd0.0980.102
143Nd/144Nd0.511690.51182
2σ11
(87Sr/86Sr)i0.70800.7073
ɛNd(t)−16.9−14.3
TDM (Ga)1.931.81

The initial Sr isotopic ratios and εNd(t) values are back-calculated to 130 Ma. LOI, loss on ignition.