变质岩
- 网络metamorphic rock;metamorphic;metamorphicrock;rock
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Q型聚类分析在变质岩系化学分层中的应用
The application of Q-type cluster analysis in dividing metamorphic rock series based on chemistry composition
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近期通过1∶5万区调,根据粘土矿物X粉晶测试及岩石显微结构鉴定等成果,将其归属于极低级变质岩。
Recent 1:50,000 regional geological surveying indicates that it should belong to extremely weak metamorphic rock in terms of X-ray powder pattern of clay minerals and microtectonics .
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利用超高压变质岩的P波速度估算地下岩石的热导率
Prediction of Thermal Conductivity of Underground Rocks from P-Wave Velocity of Ultrahigh-Pressure Metamorphic Rocks
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大别山变质岩锆石微区稀土元素和Th,U特征
Zircon REE and Th , U Characteristics of Metamorphic Rocks from the Dabie Mountains
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微量元素、稀土元素和H、O同位素特征表明,白云鄂博群浅变质岩为矿源岩。
The combination characteristics of microelements , REE , H , O isotopes support that metallogenic materials came from the epimetamorphic rocks of Baiyun'ebo Group .
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本文对相山火山塌陷盆地基底变质岩U的丰度及赋存形式进行了研究。
The abundance and the existence form of uranium in basement metamorphic rocks of Xiangshan volcanic collapse basin have been studied .
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高级变质岩中Zr、Hf、Nb、Ta的ICP-MS准确分析
Accurate Analysis of Zr , Hf , Nb and Ta in High-Grade Metamorphic Rocks with ICP-MS
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变质岩中锆石经历了Pb的扩散丢失作用;晶格损伤导致的蜕晶化作用;
Zircon from metamorphic rocks may suffer from Pb diffusion loss , metamictization caused by lattice radiation damage , overgrowth mixing and recrystallization .
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内蒙古大青山地区早前寒武纪变质岩的锆石Hf同位素组成和稀土模式
Hf Isotope Composition and REE Pattern of Zircons from Early Precambrian Metamorphic Rocks in the Daqing Mountains , Inner Mongolia
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对超高压变质岩中O、C、H等同位素的研究进一步表明,超高压变质作用过程中并无大规模流体活动,大气水的O同位素成分可被带到地幔深处而不改变;
Fluids were not active and oxygen isotope composition of meteoric water could be preserved during UHPM process , as is evidenced by O , C , and H isotope data ;
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辽西&赤峰一带太古代变质岩中锆石U-Pb年龄
The Zircon U-Pb Ages of Archean Metamorphic Rocks in Western Liaoning Province-Chifeng Area
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中国南方部分中浅变质岩系的Rb-Sr年龄及其意义的探讨
Rb-Sr ages of some moderately-weakly metamorphosed rocks in South China
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内蒙集宁群变质岩系U-Pb和Rb-Sr协同位素年龄的讨论
U-Pb and Rb-Sr isotopic age study of the Jining Group from nel Mongol of China
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中国东部东海地区超高压变质岩构造变形事件的~(40)Ar/~(39)Ar定年与超高压变质岩折返过程的重建
~ ( 40 ) Ar / ~ ( 39 ) Ar Dating of Deformation Events and Reconstruction of Exhumation of Ultrahigh-Pressure Metamorphic Rocks in Donghai , East China
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变质锆石成因的岩相学研究&高级变质岩U-Pb年龄解释的基本依据
Petrographical study of metamorphic zircon : basic roles in interpretation of U-Pb age of high grade metamorphic rocks
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赣中变质岩带的矿物化学特征及其P-T轨迹的构造意义
Mineral-chemistry characteristics and tectonic significance of P-T path of metamorphic rock belt in central Jiangxi province
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苏鲁超高压变质带南部浅变质岩的全岩Rb-Sr同位素年龄
Whole Rock Sb-Sr Isotopic Age of Epimetamorphic Rocks in South Sulu UHP Metamorphic Belt
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大别山高级变质岩云母Rb-Sr等时线年龄测定及其地质意义
Rb-Sr Mica Dating of High-grade Metamorphic Rocks from the Dabie Mountains and Its Geological Significance
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CCSD超高压变质岩绿辉石中的石英出溶体及其大陆动力学意义
Quartz Exsolutions in Omphacites of Ultrahigh Pressure Metamorphic Rocks from CCSD and Its Significance of Geodynamics
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大别山北缘晚石炭世沉积物中高Si含量碎屑多硅白云母的发现指示其沉积物源区可能出露有高压-超高压的变质岩。
Detrital phengites of high Si contents occurred in the Late Carboniferous sediments in the northern margin of the Dabie Shan , indicating HP - UHP metamorphic rocks were possibly exposed to the source area .
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成矿温度条件下的水&岩作用地球化学模拟计算结果也表明,富含CO2气体的流体有利于火山岩及变质岩中铀的迁出。
Geochemical simulation calculation result of water-rock interaction at temperature condition of metallogenesis also shows that fluid with rich CO2 gas conduces to uranium migration from volcanic rock and metamorphic rock . 5 .
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河北滦县一带含铁变质岩系K-Ar等时年龄值及其地质年代意义
K-Ar Isochronous Age of Ferruginous Metamorphic Rock Formation in Luan County , Hebei Province and Its Geological Significance
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南岭基底变质岩富含W、Sn、Nb、Ta等成矿元素,它们是华南(特别是南岭地区)含矿花岗岩中成矿元素富集的最主要物质来源。
The Nanling Range basement metamorphic rocks contain abundant W , Sn , Nb and Ta , and hence serve as the most important ore-forming element source of the Hongshan granite .
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根据最新分析结果计算出岩浆岩、沉积岩和变质岩碘的平均含量分别为18.8、724、166.9(ng/s)。
The average I contents for magmatite , sedimentary rock and metamorphous rock are 18-8 , 724 and 166.9 ng / g. . respectively , calculated from the latest analytical results .
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对大别-苏鲁造山带27个高级变质岩(以榴辉岩和片麻岩为主)中锆石进行了337次微区离子探针U,Th和Pb测定和U-Pb年龄研究。
337 zircon U , Th and Pb contents , and Pb isotopic compositions of 27 high-grade metamorphic rocks , mainly eclogites and gneisses from Dabie-Sulu orogen were analyzed by using ion micro-probe technique .
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热离子质谱测定的颗粒级锆石U-Pb不一致年龄数据处理的多边形准则&以大别山和东昆仑山深变质岩为例
Polygonal rule for assessing the discordant U-Pb data of single-grain zircon by tims ∶ taking high-grade metamorphic rocks from Dabie and East Kunlun Mountains as examples
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根据全井眼地层微电阻率扫描测井(FMI)及常规测井信息,将该变质岩潜山油藏储集层划分为4类:①网状缝-溶孔型;
Reservoirs in this area can be classified into 4 types with FMI and porosity log information : ① network-dissolved fracture reservoir ;
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研究区基底变质岩系应力变形机制为伸展横向置换作用,其变形结果是应变椭球体的X、Y轴应变量同时增大,而Z轴应变量减小,即X>Y>1>Z,结果是面理比线理发育。
The deformation mechanism of the basement metamorphic series is transversal tectono-transposition of extension regime . The result is the X-axis and Y-axis of the strain ellipsoid extended , while the Z-axis shortened . That is X > Y > 1 > Z.
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五台山早前寒武纪变质岩中的白云母属二八面体的2M型多型变体,其中五台群中的白云母为富含绿鳞石分子的普通白云母,滹沱群为多硅白云母。
The muscovites from Precambrian metamorphic rocks in Wutai Shan belong to the 2M-polytype of dioctahedrom : those from Wutai group are common muscovites rich in celedonite and those from Hutuo group are phengite .
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鄂西黄陵地区太古宙变质岩La-Ce同位素体系
La-Ce isotopic systematics of Archean metamorphics from huangling , western Hubei