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安徽张八岭构造带石英脉型金矿成矿流体来源研究
STUDY ON THE ORIGIN OF ORE- FORMING FLUID OF QUARTZ- VEIN- TYPE GOLD DEPOSITS IN ZHANGBALING TECTONIC BELT,ANHUI
【摘要】 对安徽张八岭构造带石英脉型金矿石英流体包裹体温度、成分和氢、氧同位素进行了研究,对成矿流体来源进行了探讨。研究表明,区内石英脉型金矿具有两类成矿流体,一类为中生代大气降水与经历水/岩交换的演化岩浆水的混合;另一类为中生代大气降水与原始岩浆水的混合。
【Abstract】 A study on the composition,temperature, δ 18O and δ D of the fluid inclusion of quartz- vein- type gold deposits in the Zhangbaling tectonic belt is carried out.Analysis of origin of ore- forming fluid indicates that there are two types of fluid.One is that of mixing of Mesozoic meteoric water and evolutional magmatic water by water/rock interaction.The other is mixture of Mesozoic meteoric water and initial magmatic water.
- 【文献出处】 大地构造与成矿学 ,GEOTECTONICA ET METALLOGENIA , 编辑部邮箱 ,2000年03期
- 【分类号】P618.51
- 【被引频次】28
- 【下载频次】459