SHRIMP U-Pb dating of zircons from Late Yanshanian granitic complex in Xiaoxinancha gold-rich copper orefield of Yanbian and its geological implications;
延边小西南岔富金铜矿田燕山晚期花岗杂岩的锆石SHRIMP U-Pb年龄及其地质意义
Meanwhile, on the basis of geology and geochemistry characteristics and chronology data, the granitic complex can be pided into three parts: Late Archaean TTG complex, Indosinian adamellitic complex and Yanshanian granitic complex.
通过详细的区域地质研究 ,将阜新地区划分为两个大的构造岩浆带和两个稳定构造区 ,并依据地质、地球化学特征和年代学资料 ,把发育于不同构造单元中的花岗杂岩区分为新太古代TTG杂岩、印支期二长花岗质杂岩和燕山期花岗杂岩 ,同时还讨论了不同时代花岗杂岩的成因。
The Mesozoic intermediate - acidic granitic complexes exposed in eastern Jiaodong area, the eastern part of Shandong Peninsula, contain abundant inclusions of finegrained diorite.
出露在胶东东部地区的中生代中酸性花岗杂岩,普遍含有大量的细粒间长岩类包体。
This paper introduces the characteristic of granite slabstone and the construction technology of granite slabstone topping , the granite slabstone topping has wide application prospect in anticorrosive project.
本文介绍了花岗岩板块材性能特点和花岗岩板块材面层施工工艺,说明花岗岩板块材面层在防腐蚀工程中的应用有着广阔的前景。
Some important problems of geosynthetic reinforced segmental retaining walls used for beautifying landscape, such as the instability mechanism of wall consisted of new-style building blocks of bionic granite and the utmost wall height of one layer of building blocks, are discussed and researched systemically by means of test, numerical simulation and theory analysis in the dissertation.
本文通过试验测试、数值模拟、理论分析等方法对新型仿花岗岩砌块墙体失稳机理、单层砌块可建成的墙体最大高度等问题进行了深入系统的研究。