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100号矿体的成矿物理化学环境为:成矿温度300±30℃;成矿压力为84.2×105Pa;Logfo2=-30.4~-35.6,Logfco2=-2.55~+0.36,Logfs2=-8.3~-11.0,pH=4.2~4.9.同位素的分析结果:硫化物的硫同位素为6.4‰~12.3‰,δ34SES值为6.6~13.8;206pb/204Pb值为17.491~18.960,207Pb/204Pb值为15.539~15.940,208Pb/204Pb值为37.957~39.490.表明100