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刘敬杰,张鹏,兰君,牛金,邢楠.山东莱芜胡家庄地区稀土矿流体包裹体特征及成矿条件[J].山东国土资源,2019,35(1):
山东莱芜胡家庄地区稀土矿流体包裹体特征及成矿条件
Fluid Inclusions Characteristics of Rare Earth Deposit and Metallogenic Conditions in Hujiazhuang Area in Laiwu City of Shandong Province
  
DOI:10.12128/j.issn.1672-6979.2019.01.003
中文关键词:  流体包裹体  稀土矿  胡家庄  山东莱芜
英文关键词:Fluid inclusions  rare earth  Hujiazhuang  Laiwu city in Shandong province
基金项目:
作者单位
刘敬杰 山东省第五地质矿产勘查院 
张鹏 山东省第五地质矿产勘查院 
兰君 山东省第五地质矿产勘查院 
牛金 山东省第五地质矿产勘查院 
邢楠 山东省第五地质矿产勘查院 
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中文摘要:
      胡家庄稀土矿床位于莱芜弧形断裂弧顶的北侧,该文重点研究稀土矿床石英矿物中的流体包裹体特征。研究表明,流体包裹体以气液两相H2O包裹体为主,均一温度主要集中119.1~233.2℃。盐度变化范围大致分布在8.1~22.4wt%,平均16.2%,成矿流体盐度为中低盐度流体;密度变化于0.9~1.1g/cm3,平均1.02g/cm3;成矿压力范围在30~95MPa,平均62.5MPa,推断矿床成矿压力环境为中低压环境,矿床成矿深度范围为2.5~3.5km。
英文摘要:
      Hujiazhuang rare earth deposit is located in the north of Laiwu arc fault. In this paper, characteristics of fluid inclusions in quartz of this deposit has been stuided. It is showed that Gasliquid phase H2O fluid inclusions are major fluid inclusions, and the homogenization temperatures vary from 119.1 to 233.2℃. The salinity ranges from 8.1 to 22.4wt.%NaCleqv, and the average value is 16.2%wt.%NaCleqv. The calculated density and pressure vary from 0.9 to 1.1g/cm3 , and the averaging value is 1.02g/cm3. The metallogenic pressure vary from 30 to 95MPa, and the average value is 62.5MPa. It is conducted that the metallogenic pressure environment of the deposit is a medium low pressure environment, and the metallogenic depth ranges from 2.5 to 3.5 km.
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