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- The main useful constituents of the deposit are Pb, Zn, Cu, Ag associated with Sn, In, Ga and Cd, etc. Lead isotopic composition of the ore is different from those of the ore hosted Hercynian granite and the Yanshaniangranite outside the ore region. 矿床主要有用组分为Pb、Zn、Cu、Ag,含Sn富In、Ga、Cd等分散元素,为一典型的多元素共生的多金属矿床。
- The characteristics of sulfur isotopic and lead isotopic composition show that the gold deposits in this area are derived from the mantle and deep crust and are related to Mesozoic magmatism. 硫同位素和铅同位素成分显示,金来源于地幔和下地壳,与中生代的岩浆作用有关。
- LEAD ISOTOPIC COMPOSITION OF TWO TYPES OF LEAD-ZINC DEPOSITS IN SOUTHERN HUNAN 湘南两类铅锌矿床的铅同位素组成特征
- Structural significance of the lead isotopic composition of the Shibaqinghao gold deposit, Central Inner Mongolia 内蒙古十八倾壕金矿床铅同位素组成的构造学意义
- The stable variation of lead isotope compositions suggests that it belongs to normal lead. 铅同位素组成变化不大,属正常铅。
- Lead isotopic composition of volcanic rocks in the Qoltag tectonic belt, East Tianshan, and its significance 东天山觉罗塔格构造带火山岩的铅同位素组成及意义
- LEAD ISOTOPIC COMPOSITION AND LEAD SOURCE OF POLYMETALLIC DEPOSITS IN THE LARGE ORE-ASSEMBLY DISTRICT IN THE LANPING BASIN 兰坪盆地大型矿集区多金属矿床的铅同位素组成及铅的来源
- The sulfur and lead isotope compositions indicate that the ore_forming materials were mainly derived from the volcanic rocks and granodioritic porphyries. 硫_铅同位素指示成矿物质主要源于火山岩地层和花岗闪长斑岩脉。
- Lead isotopic composition of sediments from West Lake and the Grand Canal in Hangzhou and its significance for lead source tracing 杭州西湖与运河沉积物铅同位素组成及其示踪意义
- Keywords carbonaceous mylonite schist;Late Variscan intrusive rock;lead isotopic composition;gold deposit;Qinghai Province; 碳质糜棱片岩;华力西晚期侵入岩;铅同位素组成;金矿床;青海省;
- Lead isotopic composition 铅同位素组成
- How could such a change in isotopic composition have come about? 同位素的组成有这样的变化,究竟是如何发生的?
- Lead isotopic compositions of massive sulfides from the Jade hydrothermal field in the Okinawa Trough and its geological implications 冲绳海槽Jade热液活动区块状硫化物的铅同位素组成及其地质意义
- On the basis of the composition analyses for 80 samples of bronze drums and some samples of ore, these tests detemine the lead isotopic of the samples, to obtain test data for deep research. 摘要在对越南80个铜鼓样品和相关铜器以及若干矿样进行成份分析的基础上,对样品进行了铅同位素测定,得出了一批可供进一步研究的实验数据。
- It is important to avoid the use of uranium compounds of unspecified isotopic composition. 要避免使用那种非专用的同位素成份的铀化合物。
- Lead Isotope Composition and Sources of Trace Lead in Placer Gold of the Hunchun River Valley 珲春河流域砂金中微量铅同位素组成及其来源
- LEAD ISOTOPE COMPOSITION OF GOLD DEPOSITS, NORTH-WESTERN JIAODONG SHANDONG, AND ITS GEOLOGICAL SIGNIFICANCE 胶东西北部地区金矿床铅同位素特征及其地质意义
- Another mystery is the isotopic composition of xenon found in minerals from the Oklo uranium deposit in Gabon, Africa. 另一个令人费解的问题就是在非洲加蓬的奥克洛铀矿床的矿物中所发现的氙同位素组成。
- Keywords geochemistry;silver polymetallic deposits;geochronology sulfur and lead isotope composition;Xiasai;Sichuan; 地球化学;银多金属矿床;年代学;硫、铅同位素组成;夏塞;四川;
- The whole-rock Pb isotopic composit ions of the North Dabie Complex(NDC),the South Dabie Complex(SDC)and the Cretaceous granites in the ea st Dabie Mountains are reported. 研究了大别山东部北大别变质杂岩、南大别变质杂岩和白垩纪花岗岩的全岩Pb同位素组成。