江西黄沙金矿床包裹体特征及物理化学条件研究

Study on the characteristics and its physical-chemical condition of inclusions of Huangsha Gold Deposit in Jiangxi province

通过对江西黄沙金矿床中不同成矿阶段石英包裹体产状、形态特征和气、液相成分特征的详细研究 ,探讨了成矿流体成分特征 ,并测定和计算出成矿溶液部分物理化学条件 ,即校正后的成矿温度为 2 4 8～ 373℃ ;成矿溶液盐度为 2 .0 8%～ 4 .50 % ;成矿溶液的密度为 0 .6 391～ 0 .9536g/cm3;成矿压力为 148～ 16 7MPa ;pH值为 3.0 2～ 3.52。这些数据为研究矿床成因和在本区找寻新的金矿点 (带 )提供了重要的信息。

Based on study on occurrence、shapes、aqueous and gaseous component of inclusions in quart of different minerelizing periods in Huangsha Gold Deposit of Jiangxi province ,this paper made discussion on the characteristics of ore forming fluid component and measured and calculated some physic chemical parameters of the ore forming fluid i.e,the rectifying temperature ranges from 248℃ to 373℃, salinity from 2.08% to 4.50% equiv., density from 0.639 1 to 0.953 6g/cm 3,pressure varies from 148 to 167 MPa, the value of pH changes from 3.02 to 3.52.These data can provide important information for researching origin of this deposit and finding out new analogous gold deposits.