山东省平度市大庄子金矿流体包裹体研究
GEOLOGY AND PROSPECTING（2005）
Abstract
山东省平度市大庄子金矿含金硅化体及石英脉中流体包裹体发育程度一般,且粒度偏小,包裹体大小多为6～12μm,包裹体类型主要为气液二相包裹体、液相包裹体(LH2O+LCO2),见少量三相包裹体(LH2O+LCO2+GCO2).化学成分属K+(Na+)-SO4-2(Cl-)型,气相成分以H2O、CO2为主,含一定量CH4、CO、H2S等还原性气体.均一温度表明金矿的成矿温度为中温(200℃～260℃),成矿流体盐度低(1.05%～4.96%).成矿流体主要来源于岩浆水、变质水,并有大气降水的混合.
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Key words
dazhuangzi gold deposit,gold deposit,shandong,pingdu county
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