The writers have studied the Pb isotopic composition of quartz in hydrothermal quartz veins in the Zoige uranium deposit, and regard Pb isotopic ratios of quartz as a bridge linking up the Pb isotopic of the composition parent rocks with that of ores to determine the source of U.
由此提出含矿热液中的铀来自中酸性构造-岩浆岩而不是地层岩石的新见解,同时提出利用热液石英铅同位素组成判别非放射性矿床成矿元素来源的可能性。
Unfortunately, hydrothermal zircons that grow directly from mineralizing fluids and inherited magmatic or metamorphic zircons from wall rocks may .
近年来同位素质谱技术的发展使得通过含金石英脉中热液锆石的U-Pb定年来精确限定石英脉型金矿床成矿时代成为可能。
Detailed studies on zircons from the Jianfengling granite in the Baolun gold deposit indicate that the zircons can be divided into magmatic and hydrothermal zircons.
海南抱伦金矿矿区尖峰岭岩体中的锆石可分为岩浆锆石和热液锆石。
In this paper, we report U-Pb age and Hf isotope composition of hydrothermal zircons from a quartz vein within an UHP eclogite outcrop from the Hong’an area, western Dabie orogen.
热液锆石具有非常低的Lu/Hf同位素比值,与它们形成于榴辉岩相变质作用阶段相一致。
14C dating and carbon isotopic tracing of hydrothermal petroleum in the Guaymas Basin show that the hydrothermal petroleum is generated in recent epochs.
根据加利福尼亚Guaymas盆地南海槽热液石油的14C同位素年龄以及1δ3C值,认为该类热液石油是近代生成的,其可能的生成模式是高温热液流体对沉积有机质的作用加速了石油的生成,深部地幔流体上升到中地壳,通过费-托反应合成石油。
The paper briefly introduces the forming temperature and migration of hydrothermal petroleum in order to prove there exists paragenetic relationship between hydrothermal petroleum and ore-forming fluids by some evidence examples.
本文介绍了热液石油形成的温度、运移方式几个方面的特征。
The experiment technology of thermoluminescence of quartz is proposed to diagnose the fire damage degree of concrete and applied to the project practice of especially big fire based on summarizing thermoluminescence characteristics of quartz in this paper.
在总结石英热发光特性的基础上,提出了应用石英热发光实验技术,诊断火灾后混凝土的烧伤程度,并应用于特大火灾的工程实践。
The study of thermoluminescence of quartz reveals that the complexity of thermoluminescence curve has a certain relation with the depth of ore formation ,secondary mineralization of multiple phases and the rich or poor concentration of mineralization.
通过对石英热发光特征研究,发现石英热发光曲线的复杂与否,与矿床的形成深度、多期次成矿作用和矿化的贫富有一定的关系。
Different arsenic species in soils,sea waters, marine organisms and urine are determined by using the hydride generation-electrothermal quartz furnace-atomic absorption spectrometry.
采用氢化物发生-电热石英管-原子吸收光度法对土壤、海水、海洋生物及人尿样中不同形态的砷进行了广泛的分析测定。