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变质岩

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The rocks were probably situated in the followup obduction of split upper crust cover of the Yangtze Plate onto the North China Plate in or after the subduction of the Yangtze Plates continental materials towards the North China Plate,or were placed by southward thrusting when ultrahighpressure metamorphic rocks underpinned.

通过露头的构造地质分析,推断本套地层是在扬子板块陆壳物质向华北板块下深俯冲过程期间或其后扬子板块陆壳上部盖层继续向华北板块仰冲就位的,在超高压变质岩折返时经历了由北向南的逆冲。

Dabieshan mountainous area belongs to non-metamorphic petrographical region, and it is the first time for tunnel fire in the history of railway construction, which puts forward a new subject for the construction of gas tunnel in passenger dedicated line.

大别山区系非变质岩区,隧道着火为铁路施工史上的首次,给客运专线瓦斯隧道施工提出了新课题。

The author found that the big piece-size muscovites of China are the normal muscovites; the small-size muscovites in the metamorphic rock area are mainly phengite. The Indian muscovites studied both big and small piece-size of muscovite, are normal muscovites. The surface activity of Indian muscovite substrate is higher than China ones. Acid is easy to erode paralleling to the direction of the muscovite substrate face. Although acid treating does not destroy the muscovite structure, the thermal stability of muscovite has be decreased.

研究发现我国白云母主要产地的大片白云母均为普通白云母,变质岩地区的碎白云母以多硅白云母为主;本文研究的印度的大片白云母、碎白云母均为普通白云母;印度白云母基片的表面活性高于我国白云母;酸处理容易沿平行于白云母基面的方向侵蚀,虽未使白云母晶体结构产生破坏,但造成了白云母热稳定性降低。

The ultra-high pressure metamorphic rocks distributed in the southern Dabie Shan have different rocks types including eclogites, garnet pyroxenite and garnet peridotite, quartz jadeitite, acid gneiss, phengite- quartz schist and marble.

分布于大别山南部的超高压变质岩具有丰富的岩石组合,主要岩石类型有榴辉岩、石榴辉石岩和石榴橄榄岩、石英硬玉岩、酸性片麻岩、多硅白云母石英片岩及大理岩等。

The author puts forward that the forming of the Shihugold deposit is of the characteristics of multistage geotectonic evolution,multisource ore- forming materials, multiore- controlling factors,multimineralization, multigenesis typle. Controlled by the fault belt, theShihu gold deposit is a polygenetic compound ore deposits which wasformed in the Archean mesometamorphic rock and reconstructed bymixed hydrothermal in Yanshan Epoch. And a related minerogeneticmodel has been set up.

将矿床成矿作用与大地构造演化阶段联系起来,详细地阐述了石湖金矿床的成矿机理,认为矿床的形成具多大地构造演化阶段,多成矿物质来源、多控矿因素、多成矿作用和多成因类型的特点,提出石湖金矿床属产于太古代中级变质岩系、受断裂破碎带控制的燕山期岩浆改造混合热液型多因复成金矿床,并建立了与之相适应的成矿模式图。

Metamorphic rock having porphyritic texture.

残斑岩具斑岩状结构的变质岩

Applying the theory of deformation partitioning to this area, the author discuss the relationship between deformation and porphyroblast growth, and get the conclusion of the sequence of deformation and metamorphism. At the first time we measure the distribution of chemical composition within the porphyroblast by XRF and confirm the theory of deformation partitioning quantitative.

利用宝音图群泥质变质岩中的存在大量变斑晶矿物,应用变形分解理论,讨论了变斑晶生长和变形关系,确定了变质变形演化序列,提出了变斑晶的生长相,并首次利用同步辐射XRF技术测定了变斑晶矿物的化学成分分布,主要是微区的微量元素成分分布,定量地证实了变斑晶矿物生长相的存在,进而讨论了与变形关系,并进行了变斑晶矿物不同生长相的温压计算。

According to differences of mechanism, manner and strong degree in transformation and retransformation, tecto-lithostratigraphic units of the metamorphic rock series can be divided into two sets and four basic types of units.

以此认识为基础,根据变质岩系遭受改造和再造作用的主因、方式、强烈程度以及原岩类型等的不同,把构造地层单位划分为两大套 4种基本类型,并对其鉴别标志、等级体系划分等予以总结和探讨。

It is inferred that the Cretaceous rhyolitic rocks developed widely in Zhejiang Province probably originated by partial melting of the basement metamorphic rocks. Continuous underplating of basalt resulted in significant increase of introduced mantle-derived materials with time.

推测浙江省广泛发育的白垩纪流纹质火山岩可能是基底变质岩部分熔融形成,由于持续的玄武岩底侵作用,造成幔源物质的加入量显著地随时间增加。

There are distributed the transmutative rock in the Hills area of Taishan Montain, the limestone stratum of the Paleozoic in the middle and south of Shandong.

鲁中南低山丘陵区分布有泰山群变质岩、古生界石灰岩等地层。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?