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A 2-D fog numerical model is used to simulate the formation and evolutionof advection-radiation fog of June 9, 1980 in the opening area of the Yangtze River to sea.The effects of advective wind, sea-land circulation on the fog are discussed.

本文用二维非定常数值模式模拟了1980年6月9日长江口地区海雾向上海地区平流而形成的平流雾个例,其中讨论了盛行风、海陆环流对海雾的影响,结果与实况近于一致。

The northern of basin is located on foreland uplift belt. The basin sequences represented overlapping of sea level and deep-upward series, with the foredeep transfer to north continually, whether is transgression or highstand stage.

而盆地的北侧的望谟-罗甸-紫云-贵阳一线处于前陆隆起带的位置,随着前渊凹陷的不断向北迁移,无论是在海侵还是高位期,均表现为海平面的上超和向上变深的序列。

The main tectonic features of the four stages mentioned above can be summarized as follows, gneissic basement and greenstone belt in the Archean, formation and rifting of ancient continental crust in the Transition, creation and disposal of the first supercontinent Columbia in the Paleoproterozoic-Mesoproterozoic, and the assembly and disassembly of the supercontinent Rodinea under plate tectonic framework in Neoproterozoic.

这四大阶段的主要构造面貌分别是:片麻岩基底和绿岩带盆地,古陆壳的形成与裂解,第一个超级大陆即哥伦比亚超大陆的形成与离散,板块构造体制下罗迪尼亚超大陆的汇聚与离散,反映了大陆岩石圈的形成和由低级向高级的演化,因而每一阶段都有不同于前一阶段的沉积建造、火成岩类型及组合、变质作用、构造样式、构造线方向、变形方式和成矿作用。

The growth of the continental crust of southeastern China has been discussed based on the compilation of Nd isotopic model ages of metamorphic basement and granitoid rocks from the region.

中国东南变质基底岩石及各时代花岗岩的Nd同位素模式年龄的统计研究结果表明,该地区太古代—古元古代陆壳以横向增生方式形成,显生宙表现为局部的垂向增生。

According to the lithologic correlation,the feature of basic sequence,fossil assemblages and isotope assaying ,mass formation within Hercynian period in Hongliuhe area is composed of Hongliuhe Group made up of detrial and volcanic rocks of marine facies , carbonate and continental molasse.

据岩石组合、基本层序特征,结合生物化石鉴定和同位素测年结果,红柳河地区海西期物质建造由红柳河群海相碎屑岩、碳酸盐岩、火山岩建造和陆相磨拉石建造组成,主期变形形成主干褶皱———红柳河向斜及伴生构造,变形机制为纵弯褶皱作用兼具一定压扁特点,总挤压收缩率达 40 %~ 70 %,反映了造山后强烈陆内收缩变形特点。

And it reflects that the magmatism time of Ailaoshan-Jinshajiang potassic alkalic rock zone from east is younger than west magmatism time. The time is from the middle of Eocene to Miocene. The durative time of magmatism is 40Ma.

这种因果关系,反映了青藏高原在两个大陆碰撞之后继续向北偏东(21°)推移,受到了塔里木、柴达木和康滇古陆古老基底的阻挡,导致了长达数千公里的金沙江-红河走滑拉分带的形成,同时伴随着钾质碱性深成岩和火山岩产出。

In terms of the strata-overlaping from south to north, the trend of facies types from distal facies in the south to proximal facies in the north, and terrigenous sediments transported from north to south, there disappeared old land in the north.

从地层由南向北超覆,相类型由北部的近源相至南部的远源相,以及碎屑搬运方向总体从北向南的变化趋势,更加确定了以前认为北部存在一个消失的古陆的认识。

The modern structural pattern ofthe area consists of three synclines and three anticlines, a group of strike faults and a group of transcurrent faults, as well as some downfaulted basins; 8. The blue schist belt, which distributs at the northern part of the area, has a genetic relationship with the decollement plane between Yaolinghe Group and Doushantuo Formation.

晚元古代扬子板块北缘由被动大陆边缘转化为主动陆缘;7、本区的现存构造格局,由近东西向的三个复式向斜加三个复式背斜,一组走向断裂加一组横向断裂以及若干断陷盆地构成;8、本区北部的蓝闪石类矿物成带分布与耀岭河群与陡山沱组之间的层间滑脱面有关;一百五十多个白云母b。

Daba Mountain, which is called the Daba Mountain arc foreland belt, is located in the central part of the central orogenic belt. It is the only parenthetical orogenic belt protruded to the south in the Qinling Trias orogenic belt.

大巴山位于中央造山带的中部,是秦岭三叠纪碰撞造山带中唯一向南凸出的弧形构造带,称之为大巴山弧型前陆带。

After crystallization basement was formed in Tai Shan group in the end of Archaean, it suffered long term denudation and deposited to marine and land interbedded formation with stable lithology and thickness. Buried Hill is a large size fold nappe which was uplifted, compressed, folded, denudated and settled in Indosinian period, deposited in Mesozoic formation, then wholly advanced to the west in the late of Yan Shan movement. The force acting on internal structure of buried hill was complicated, and fault block was broken up.

本文通过物探、测井二次解释和钻井等大量资料的研究认为:桩西古潜山在太古代末期泰山群形成结晶基底后,遭受长期剥蚀,在古生代沉积一套岩性、厚度稳定的海陆交互相地层,是一个经印支期抬升、挤压、褶皱、剥蚀、沉降接受中生界地层沉积之后,在燕山运动后期,整体向西推移的大型褶皱推覆体。

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