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- 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。
- 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。
- 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 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
- 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;
- lead isotope composition 铅同位素
- 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
- Lead Isotope Compositions of Seafloor Surface Hydrothermal Sediments in the TAG Hydrothermal Field of Mid-Atlantic Ridge and its Geological Implications 大西洋洋中脊海底表层热液沉积物的铅同位素组成及其地质意义
- Lead Isotope Compositions of Seafloor Surface Hydrothermal Sediments in the TAG Hydrothermal Field of Mid Atlantic Ridge and its Geological Implications 大西洋洋中脊海底表层热液沉积物的铅同位素组成及其地质意义
- 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
- 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
- The meteoric origin of geothermal water in study area is evidenced by its environmental isotope composition. 摘要环境同位素研究结果表明，研究区地热水为大气降水成因。
- And the study on application of lead isotope tracing for city environment pollution sources can get a good result. 铅同位素示踪理论应用于城市环境污染源的研究,能够取得比较理想的结果。
- Diet composition hada large effect on stable carbon isotope composition of cattle tissues. 饲料对牛组织中碳同位素组成的影响远大于牛品种对它们的影响；
- The lead isotope study shows that ores of the Mujiazhuang copper deposit and the host rocks contain very high radiogenic lead. 研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的放射性成因铅特点。
- OXYGEN ISOTOPE COMPOSITION OF ANHYRITE IN EARLY STAGE VEINS, MINRAL PARK PORPHYRY SYSTEM, WALLAPAI MINING DISTRICT, ARIZONA, U. S. A. 美国Wallapai矿区Mineral Park斑岩型矿床早期矿脉中硬石膏的氧同位素组成
- In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil. 近年来铅同位素示踪在研究土壤中相关重金属来源及其运移途径起到独特的作用。
- This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province. 本论文对来自四川龙门山泥盆纪的腕足化石进行碳、氧同位素分析。
