矿石铅
- 网络ore lead
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大部分矿石铅Doe单阶段模式年龄与该矿床的RbSr年龄值十分接近,可能反映了区域变质的成矿意义。
The Doe single model age of the most ore lead is similar to the Rb Sr age of the deposit . And this may show the functions of ore forming in the regional metamorphism .
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矿石铅同位素组成在Zartman和Doe的铅构造模式图上的投影,主要落入造山带演化线附近及其以上,说明矿石铅同位素的来源是混合铅。
The ore lead compositions are mainly located around the orogenic belt in the pattern of tectonic by Zartman and Doe . This demonstrates that the ore lead came from the mixed lead .
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在研究中将矿石铅、岩石铅同位素数据投影于Zartman铅构造模式图中。
In the research the data of rock lead and ore lead were projected on the map of Zartman 's lead model .
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长石铅和矿石铅同位素组成及其地质意义
Lead isotopic compositions of feldspar and ore and their geologic significance
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矿床中矿石铅主要来自赋矿母岩浆。
Ore lead of the deposits mainly came from magma of ore-bearing matrices .
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矿石铅同位素示踪成矿物质来源综述
Ore lead isotopes as a tracer for ore-forming material sources : a review
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矿床的矿石铅主要来自上地壳。
The ore lead in the deposits mainly came from the upper crust .
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铅锌矿床中矿石铅同位素研究
Lead isotope research on lead-zinc deposits
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中国某些金属矿床矿石铅来源的铅同位素诠释
An interpretation of ore lead sources from lead isotopic compositions of some ore deposits in China
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矿石铅同位素为古老弱异常铅,模式年龄为7~9亿年。
The ore lead isotope is the ancient weak anomalous lead with a model age of 700-900m . y.
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邻区其他金属矿床中的矿石铅同位素组成亦具类似特点。
The isotopic composition of ore lead from other metallic ore deposits in the adjacent area also has similar characteristics .
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地层铅、岩浆岩铅和矿石铅在构造模式图上主要落在造山带线附近。
The leads of stratum , magma rock and ore are located around orogen belt in the pattern of tectonic ;
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矿石铅同位素以单阶段演化的正常铅为主,常含不同程度的放射性铅。
The Pb isotope of ore mostly is the normal Pb of single-stage evolution and usually includes some radioactive Pb .
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矿区黄土、红层、围岩和矿石铅同位素组成由质谱法测定。
To acquire accuracy results , the lead isotope ratios were corrected with the dead time and internal standard mass bias .
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矿石铅同位素是示踪成矿物质来源的重要手段之一。
As a geological tracer , ore lead ( Pb ) isotopes play an important role in constraining ore-forming material sources .
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本文通过对彩霞山铅锌矿床的矿石铅、岩浆岩石铅和围岩岩石铅的同位素组成分析,来探讨成矿物质的来源。
This article mainly studies the origin of ore-forming matter , by analyzing ores , strata and granites Pb isotopic composition .
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矿床中矿石铅的同位素主要来源于幔源铅,部分反映了与岩浆作用有关的铅相混合的特点。
Ore deposits of lead isotope composition mainly derived from mantle-derived lead , partly reflects mixed features with lead related to magmatic .
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将矿床中矿石铅同位素作为示踪剂,对矿石进行了稳定铅同位素地质研究。
Geologic characteristics of stable lead isotope which is a kind of tracer in the gold ore have been discussed in the paper .
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通过含矿蚀变岩的稀土、微量元素及矿石铅同位素分析,初步查明了燕山期钨锡成矿物质来源。
The ore-forming material source is found out through analyzing lead isotopic , rare earth elements and trace elements of altered rocks . 6 .
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矿石铅、硫同位素等表明成矿物质与深源浅成小斑岩体有关。
The ore lead isotope and S isotope data indicate that the ore forming metals are related to the deep source hypabyssal minor intrusion .
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矿石铅主要来自于活动造山带,与弧盆系火山岩有关,属幔壳混合铅;
The origin of ore lead belongs to the mantle upper crust mixture type derived mainly from active orogenic belt and related to volcanic rocks of arc basin series .
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对比临沧花岗岩体的铅同位素组成,二者之间关系密切,矿石铅主要由临沧花岗岩体铅混入不同比例的澜沧群变质岩铅组成。
Contrasting with the lead compositions of the Lincang granite , the ore lead is composed of the ( Lincang ) granite body mixed with metamorphic rocks of Lancang Group .
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从铅构造模式图中看出矿石铅来源比较复杂,为壳幔混合铅。
From the construct Pb mode map , we can see that the source of Pb in the ore is very complex and the Pb belong to crust-mantle admixture Pb .
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矿床矿物、岩石和矿石铅的△β-△γ变化范围成因分类图投影结果也显示出矿床形成与岩浆活动作用密切相关。
Deposit minerals , rocks and ores of lead △β - βγ causes , map projection range also showed that the deposit formation is closely related with the magmatic activity .
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山门银矿铅同位素地质特征的研究结果表明,矿石铅为年轻、稳定的正常铅,成矿时代为燕山晚期;
The study on geological characteristics of lead isotopes in the Shanmen silver deposit suggests that ore lead is young , stable normal lead , and minerogenetic epoch belongs to late Yanshanian ;
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矿石铅数据点都位于造山带和地幔铅演化线之间,大洋火山岩范围内,更靠近地幔铅演化曲线,说明矿石铅主要来自地幔;
The data of ore lead are all located between the lines of mantle and fold belt , more exactly , are near to the mantle line , that means the ore lead came from the mantle .
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韦州矿区太原组标志层特征及其对比意义辽南、吉南及鲜北早元古界层控铅锌矿床矿石铅同位素特征对比
Weizhou Mine Area Taiyuan Formation Coal-bearing Strata Marker Bed Characteristics and Their Correlation Significance LEAD ISOTOPIC CORRELATION OF PROTEROZOIC STRATA-BOUND LEAD-ZINC DEPOSITS IN SOUTHERN PART OF JILIN AND LIAONING PROVINCES , AND THE NORTHERN PART OF KOREA
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从铅同位素组成及源区特征值看,矿石铅与岩浆岩岩石铅为同源的壳幔混合铅,表明成矿物质来自深源,并与燕山期岩浆活动密切相关。
According to components and source area features , it is suggested that ore lead and magmatic rock lead are cogenetic crust-mantle mixed lead , and ore - forming materials were derived from hypogene Source and close related to Yanshanian magmatic activity .
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火山岩和碳酸盐岩岩石铅与部分矿石铅可能来自围岩(矿源层);花岗斑岩岩石铅源于上地壳,可能与矿床有一定的成因联系。
The Pb in the volcanic rocks , carbonate rocks and part ore may all be from wallrocks ( strata bearing original minerals ) . The Pb in the granite porphyry comes from the crust and there may be definite genetic relationship between it and deposit .
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铅同位素研究表明,矿石铅与岩浆岩的岩石铅一致,均具有深源铅的特征。而与沉积围岩的铅同位素组成不同,也显示成矿物质主要是深部来源的。
Lead isotope studies show that the lead isotopic compositions of the sulphide in ores are consistent with those of the magmatic rocks , and different from those of the sedimentary rocks , which shows that the mineralization material is also mainly from the deep source.10 .