Research Article

The Fe-Zn Isotopic Characteristics and Fractionation Models: Implications for the Genesis of the Zhaxikang Sb-Pb-Zn-Ag Deposit in Southern Tibet

Table 1

EPMA data for Mn-Fe carbonate and quartz from the Zhaxikang deposit.

Sample numberSiO2 (%)Na2O (%)K2O (%)TiO2 (%)Al2O3 (%)MgO (%)CaO (%)FeO (%)MnO (%)SrO (%)BaO (%)CO2 (%)Total (%)Mineral

9-3-40.0150.0050.0070.0110.0031.2312.06128.59829.8400.0070.05738.16499.999Mcar
9-3-50.0240.1090.0270.0101.0802.15128.37230.5820.00237.643100.000Mcar
9-8-80.0020.0310.0071.2761.97827.34131.3380.0100.02237.99399.998Mcar
9-8-90.0250.0081.1891.14431.80627.51438.316100.002Mcar
ZXK-1-60.0010.0280.0010.0221.2075.17824.07030.71738.77599.999Mcar
ZXK-1-70.0280.0110.0190.0360.0141.9952.94029.63927.9430.01737.358100.000Mcar
ZXK-2-70.0050.0390.0551.2365.54227.23527.60438.285100.001Mcar
ZXK-2-80.0510.0120.0101.1404.29824.28732.6940.00837.500100.000Mcar
ZXK-2-90.0090.0490.0080.0371.5521.94626.73930.9680.0070.01338.673100.001Mcar
ZXK-2-100.0150.0230.0121.1194.84923.56232.2320.00338.185100.000Mcar
ZXK-2-1197.0000.0260.0250.2190.0280.0180.0202.664100.000Qtz

Notes. (1) Mcar = Mn-Fe carbonate; Qtz = quartz; (2) for the sampling points, please see Figure 5.