帕奔金矿位于琅勃拉邦黎府(泰国)成矿带的中部,矿床容矿围岩主要为灰岩,矿体严格受NNW近SN向断裂控制.流体包裹体研究表明,含矿方解石中包裹体为液、气两相包裹体,以液相为主;成矿均一温度为164～252℃,平均盐度(ω(NaCl,eq))为1.77％～7.64％,具中低温、低盐度特征;估算成矿压力为9.34×105～21.37×105 Pa,成矿深度为0.48～0.960 km;矿石中方解石的碳同位素δ(13CV-PDB)=-4.5×101～ 5.2×103,氧同位素δ(18 OV-SMOW)=20.3 ×10-3～21.1×10-3,方解石为流体与二叠系海相碳酸盐岩相互作用的产物.综合分析认为帕奔金矿为浅成中低温热液型金矿床.%Phapon gold deposit is located at middle of LuangPrabang-Loei (Thailand) metallogenic belt and hostrd by limestone.Ore body is strictly controlled by limestone and ore bodies are controlled by NNW-near NS fault.Inclusion in Au-bearing alcite is liquid gas two-phase inclusion but dominated by fluid phase.The homogenization temperature is 164～252℃,average salinity(ω(NaCl,eq))is 1.77％～7.64％ characteristic of medium low temperature and low salinity.metallogenic pressure is estimated at 9.34× l05 ～21.37 × 105 Pa,metallogenic depth 0.48～0.960 km.δ(13 CVPDB) =-4.5 × 10-3 ～-5.2 × 10-3 and δ(18OV-SMOW) =20.3 × 10-3～21.1 × 10-3 of the calcite indicate that the calcite is the product of the interaction of liquid and Permian marine carbonate.Comprehensive analysis suggests that Phapon gold deposit is a shallow epithermal gold deposit.
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