Zircon U-Pb dating and geochemistry of clastic sedimentary rocks in the Gonghe-Huashixia Area, Qinghai Province and their geological implications The sediments are detrital and largely of greywacke facies. 青海共和&花石峡三叠纪碎屑沉积岩的地球化学特征与锆石U-Pb年龄及地质意义沉积岩为碎屑质,大部分属于杂质砂岩相。
Geochemical characteristics of Cretaceous detrital rocks and their constraint on provenance in Jixi Basin 鸡西盆地白垩纪碎屑岩地球化学特征及其对物源的制约
The Palaeoproterozoic Erdaowa Group distributed in the north Hohhot, Nei Mongol is composed of metamorphic detrital sediment and carbonate with intermidiate basic volcanics. 出露于内蒙古呼和浩特北部的二道洼群,为一套陆源碎屑岩碳酸盐岩夹中基性火山岩变质建造。
A study on detrital minerals in the sediment of the Great Wall Bay 长城湾沉积物中碎屑矿物的初步研究
The detrital and chemical components can directly reflect the features of the provenance and its tectonic setting. 碎屑岩中的碎屑组分和地球化学特征直接反映物源区和沉积盆地的构造环境。
The Tuchengzi formation in Jinlingsi-Yangshan basin, Western Liaoning Province is composed of a series of red continental detrital rocks. 辽西金-羊(金岭寺-羊山)盆地土城子组为一套红色陆相碎屑岩组合。
In the later period, the Sangtamu Formation slope-tidal flat deposit with detrital rock being dominant developed. 晚期则发育以碎屑岩为主的桑塔木组斜坡&潮坪沉积。
Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present. 海绿石、碳酸盐骨骸碎屑、海相化石和胶磷矿普遍出现。
Detrital Zircon U-Pb Dating for the Silurian in Northern Tarim Basin and Its Significance 塔里木盆地北部志留系碎屑锆石测年及其地质意义
Introduces the imaging logging interpretation applied in West Sichuan detrital deposit microfacies analysis, terra stress analysis and crack identification. 介绍了成像测井解释在川西碎屑岩沉积微相分析、地层应力分析、裂缝识别中的运用。
The feature of ductile shear zone developing in epimetamorphic detrital rocks is different from that in felsic rocks. 浅变质碎屑岩中韧性剪切带的变形特征不同于长英质岩石中的韧性剪切带。
U-Pb Ages and Hf Isotopes of Detrital Zircons of Nanhua Sedimentary Rocks from the Yangtze Gorges: Implications for Genesis of Neoproterozoic Magmatism in South China 扬子克拉通南华纪碎屑锆石U-Pb年龄、Hf同位素对华南新元古代岩浆事件的指示
Variation of the ores and host rocks in concentrations of trace and rare earth elements reflected a complex combination of detrital, hydrothermal and seawater inputs. 矿石与围岩中微量元素和稀土元素含量的变化关系,反映了一种复杂的热液、海水以及陆源碎屑的联合影响。
Sodium carbonate deposits may be classified into three major types, Quaternary salt lake, Quaternarysand-covered playa and Tertiary continental detrital rock, all three having been found in China. 碳酸钠矿床有三大类型:第四纪盐湖型、第四纪砂下湖型及第三纪陆相碎屑岩型,在中国均有发现。
Control water mechanism of the Neogene system detrital rock in the western plain, Jilin Province 吉林省西部平原新近系碎屑岩控水机理分析
Research shows that the products of magmatic crypto-explosion are an association of detrital rocks related closely in genesis but possessing different characters. 研究证明,岩浆隐蔽爆破作用所形成的产物,是一套成因上相互联系而以各具特色的碎屑岩组合。
Its composition of detrital mineral was felsic mainly from upper crust. 其碎屑母岩应主要源自上地壳,以长英质成分为主。
Preliminary study on detrital minerals of modern sediments of Okinawa Trough 冲绳海槽现代沉积物中的碎屑矿物初步研究
The author studied the content of heavy minerals and the types, characteristics, and distribution of detrital minerals, discussed the assemblage zone of detrital minerals, and the main characteristics and source of volcanic minerals present extensively in the sediments. 作者对采样区表层沉积物中重矿物的含量,碎屑矿物的种类、特征及分布规律进行了研究,并讨论了海湾碎屑矿物组合分区和大量出现于沉积物中的火山成因碎屑矿物的主要特征和来源。
Application of Electron Microprobe Analysis of Detrital Garnet to Provenance Studies 石榴石电子探针分析在物源研究中的应用
Two reservoir types are detrital reservoir rock and carbonate reservoir rock. 塔东地区储层类型包括碎屑岩和碳酸盐岩两大类。
Silurian Devonian sediments of carbonaceous detrital rocks and carbonate rocks are dominant in the area. 主体为志留、泥盆系富含碳质的碎屑岩-碳酸盐岩沉积。
On the one hand, the flow of the meteoric water in the multiporous media leads to the infiltration and reprecipitation of the detrital mineral and diagenetic mineral; 一方面,大气水在多孔介质中的流动导致碎屑矿物和成岩矿物的淋滤和再沉淀;
Detrital composition analysis of the Mesozoic sandstones indicates that their provenance is the Dabie orogen. 中生界砂岩碎屑组分分析,表明其源区为大别造山带。
The pore development in detrital rocks is controlled mainly by the grain size of rock and filling and cementing degrees; 碎屑岩的孔隙发育主要受岩石粒度和充填胶结程度控制;
The significance of the heavy mineral provinces in horizontal strata correlation, and in indicating sedimentary environment and detrital sediment features and sources are also discussed. 文章还探讨了重矿物组合分区对横向地层对比、沉积环境、碎屑沉积特征和物质来源的意义。
There exist different ideas in depositional mode of detrital material and division of the first flood surface. 目前此研究主要还只是考虑海平面变化的影响,并且在深切谷碎屑物质的沉积方式和初泛面的划分上存在着分歧。
Besides those coal beds, organic substances are distributed mostly in detrital and disperse states in strata. 除大量产出的煤层外,有机质主要呈碎屑状和细分散状分布于地层之中。
About 29 thin sections were used to analysis the detrital and authigenic mineral composition and content. 对29个样品进了薄片分析和鉴定,确定了碎屑颗粒和自生矿物的成分和含量。