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In the late age of early ordovician to mid-late ordovician ,the qilian ocean crust begin to subduct northwardly and a typical trench-arc- basin system come into being.The Helan area become an extensional faulted depression influenced by the regional compressive stress and the Xiangshan area is the back arc basin of the north Qilian island arc.

早奥陶世晚期一中晚奥陶世,祁连洋壳开始向北俯冲,在北祁连地区形成了较完整的沟—弧—盆体系,贺兰山地区在挤压应力下断陷加剧,为一裂陷盆地,香山地区位于弧后盆地的靠陆一侧,鄂尔多斯盆地西缘地区为贺兰裂陷盆地的东侧斜坡。

It is commonly acknowledged that the thrusting which occurs in the front of orogen is another main factor leading to foreland basin inversion, the strike-slip inversion and oblique inversion.

造山带前缘的逆冲体系作用也是引起前陆盆地反转的主要因素,走滑反转和斜向反转在造山带中也很普遍。

Hutuo group of greenschist facies of the mainly sedimentary rocks appears a tectonic style of the huge invert-fan synclinorium in Wutaishan, illustrates the material components of the above crust and inner continental orogenesis. It is a typical example of the tectonic—magma event in the world at 2100—1800Ma, would be a new research hot after Rodinia.

以沉积岩为主的绿片岩相变质的滹沱群,在五台山的构造样式为巨型反扇形复式向斜,代表上地壳的物质组成和陆内造山作用,是研究全球范围内的2100-1800Ma的构造岩浆事件的典型实例,有望成为继Rodinia超大陆研究之后新的研究热点。

Based on studies of ore - bearing rocks and geochemistry, it is suggested that bauxite deposits in western Jiyuan were sediments in lake - environments after transgression when North China Block turned from peneplain in early Paleozoic to epeiric sea in late Paleozoic.

中文摘要:文章在对含矿岩系岩石组合、地球化学分析的基础上,认为矿区铝土矿形成于华北地块从早古生代准平原状态向晚古生代陆表浅海过渡时期,早期海侵之后的陆地湖泊环境中。

Northern Song Dynasty, there are thick with Mei Yao AC, advocacy literature reflects social contradictions of the poet Zhang Yong, promoting innovation Song poetry, well Ouyang Xiu, Lu regimes, often with Shanseng Alchemist exchanges, as "chao will Scriptures" for Notes, and many achievements, his son Zhang Jie Ren Yiyang county magistrate court recommended to open up business during the Meishan, farming and the abolition of the people are not allowed to Cave Yiyang forbidden land bordering some of the Meishan adopted a reconciliatory policy, security of the split, the new of two counties, will never be the central piece of the effective jurisdiction of the Inland Empire area for the first time into the "king of land", together with Zhangdun open when the plum deal in, the official Hubushilang.

北宋,有与梅尧臣交厚,倡导文学反映社会矛盾的诗人张颙,推动了宋初诗风革新,深受欧阳修、陆游的推崇,常与山僧方士交往,为《玉照定真经》作注,流传后世,其子张颉在任益阳知县期间向朝廷建议开拓经营梅山,取消不准峒民耕种与益阳接界之地的禁约,对梅山蛮采取怀柔政策,分置安化、新化二县,将这块从未被中央王朝有效管辖的内陆地域第一次纳入"王土",与章惇一起当为开梅首功,官至户部侍郎。

Any of numerous aquatic or terrestrial mollusks of the class Gastropoda, typically having a spirally coiled shell, broad retractile foot, and distinct head.

蜗牛:腹足科众多水生或陆栖软体动物中的一种,通常带有一螺旋似的厚壳,足宽且向内旋,脑袋清晰

It is a megadepression evolving from a Mesozoic back-arc paraforeland basin to a Cenozoic intermountain basin, and filled with large sets of argillaceous rock, calcareous mudstone, carbonate rock and clastic rock of saliniferous-semisaliniferous environment under the semidry climate of inland lakes which form a set of giant-thick hydrocarbon source rock with two periods of hydrocarbon-expulsion peaks, two types of reservoir series as well as special capping and migration conditions.

是一个由中生代弧后准前陆盆地向新生代山间盆地发展演化的一个大型坳陷。充填了内陆湖泊半干旱气候下咸化环境-半咸化环境的大套泥质岩,含钙质泥岩及碳酸盐岩和碎屑岩。形成一套巨厚的具两期排烃高峰的烃源岩,两种类型的储集岩系、特殊的盖层条件及运移条件。

Of the five stages deformation, the exact ages of the (2) and (3) were determined by 40Ar/39Ar method as 290 and 259 Ma respectively.2. New results on the metamorphic belts and associated metamorphism of the Xiaopu metamorphic rocksBased on detailed microtextural observations and occurrence of typical metamorphic minerals, five metamorphic belts in the Xiaopu metamorphic rocks are identified. From the north to the south, they are biotite belt, garnet belt, staurolite belt, andalusite belt, and sillimanite belt. I suggested that the metamorphic belts occurred in the Xiaopu area belongs to the high temperature/low pressure series, may have resulted from the later Permian crust extension at ca. 290 Ma.3. I suggest that there may have been a Carboniferous backarc basin along the southern slope of the Harlik Mountain.Detrital Zircon SHRIMP U-Pb dating indicated that the sedimentary age of the Julideneng formation lithic sandstone must be later than late Devonian, most likely is Carboniferous rather than previously thought Precambrian. Analyses on its geologic setting, location of provenance, and sedimentary environment suggest the Carboniferous strata may form in a lagged backarc basin bounded by backarc uplifts.5. Reconstruction of the post-Paleozoic tectonic evolution history of the Harlik MountainThe tectonic evolution of Harlik mountains since the Paleozoic were reconstructed as followings:(1) arc-affinity magmative activities occurred during the middle-Ordovician to early-Silurian;(2) the middle-Silurian to late-Devonian was a back-arc uplift stage;(3) back-arc extension featured the Carboniferous period;(4) post-collisional extension and/then compression during Permian;(5) at the Mesozoic, differential uplift developed; and (6) the late Cenozoic is the intra-continental re-orogen stage.6. Primary estimation of the crust shortening is madeThe folded pre-Mesozoic strata were used to estimate crust shortening along the Harliknanshankou-Koumenzi, Shichengzi-Baishitou, and Qincheng-Xiaopu sections. Their shortening ratios are 16.2%, 19.8%, and 20.1% respectively corresponding crust shortening are 4.3, 9, and 11.3 km.

根据Ar-Ar热年代学研究,精确测定了早二叠世伸展变形和晚二叠世挤压变形的峰期时代分别为290Ma和259Ma.2、提出了关于哈尔里克山南麓小铺一带变质带和变质作用的新认识根据显微观察资料和特征变质矿物的出现,把小铺一带的变质岩由SW向NE方向依次划分为黑云母带、石榴石带、十字石带、红柱石带和矽线石带等变质带;初步确定该区的变质作用属于中温-低压型,变质作用发生的时代为290Ma左右,是该区早二叠世地壳伸展的产物。3、首次提出哈尔里克山南麓在石炭纪可能发育弧后盆地的新观点根据哈尔里克山南麓原"居里得能组"岩屑砂岩的碎屑锆石SHRIMP U-Pb定年,确认这套地层的沉积不早于晚泥盆世,很可能是石炭纪,而不是前人所说的前寒武纪;结合对其区域地质背景、源区位置和沉积环境分析,推测该区石炭纪可能为滞后弧后盆地和弧后隆起区构造背景。4、进一步证明哈尔里克山不发育与岛弧演化相关的泥盆纪岩浆活动根据对代表性闪长岩和花岗岩的锆石SHRIMP年代学研究获得的新资料,结合该区已有相关资料的综合研究,确定哈尔里克山岩浆岩分别形成于奥陶纪-志留纪和石炭纪晚期-二叠纪,不存在泥盆纪的岩浆岩,进而认为该区泥盆纪不属于岛弧环境。5、重建了哈尔里克山古生代以来的地质演化过程根据区域资料以及本次研究所获得的资料,把哈尔里克山古生代以来的构造演化划分中奥陶世-早志留世为岛弧、中志留世-晚泥盆世为弧后区、石炭纪弧后伸展、二叠纪为后碰撞伸展与挤压、中生代差异隆升和晚新生代陆内再造山过程等构造阶段。6、初步估算了哈尔里克山地壳缩短率和缩短量根据前中生代地层褶皱估算的哈尔里克山南山口-口门子、石城子-白石头和沁城-小铺三条剖面的地壳缩短率分别为16.2%、19.8%和20.1%,相应的地壳缩短量分别为4.3km、9km和11.3km。

It was under weak extension during the early to middle Jurassic, with the stretching direction in N-S to NNE-SSW, and the stretching deformation mainly occurred in zones surrounding the Ordos basin. Under stable tectonical environment during the early to middle Jurassic,sediment good reseryoirs and seal-cap for Ordos Basin.

早中侏罗世,盆地处于弱引张应力环境,引张方向近N—S至NNE—SSW向,伸展变形主要发生在盆地周边地带,其发生与晚三叠世华南—华北地块沿秦岭造山带碰撞后的陆内应力场调整作用有关。

A new index is developed for land-sea thermal difference zonally/meridionally in terms of east Asian zonal sea-level pressure difference combined with high and low-level zonal wind shear at low latitudes.

将东亚纬向海平面气压差与低纬度高低层纬向风切变结合,定义了一个能表征东西和南北向海陆热力差异的东亚季风指数。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。