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我公司不僅經(jīng)營(yíng)國(guó)產(chǎn)風(fēng)扇亚洲天堂在线网站，軸流風(fēng)機(jī)搜索欧美黄片，同時(shí)也代理銷售進(jìn)口的同類產(chǎn)品如德國(guó)ebmpapst，日本三洋亚洲欧美另类激情综合区183，NMB-MAT看片av网站在线播放，臺(tái)灣建準(zhǔn)，臺(tái)達(dá)DELTA及墨西哥風(fēng)扇等品牌国产精品黄黄久久久免费看视频。

Influenced by tectonic movement, there were no sediments in the area from Oligocene to Miocene. Appearance of marlite in the Pliocene, especially in Yaqueling region, proved localized depositing environment forming, for which there had only few amount of terrigenous matters to supply. Sedimentary facies association of alluvial fan, fan delta and inland lake appeared at the early and middle stage of lower Pleistocene, and association of fan delta and inland lake appeared at the later stage of lower Pleistocene and the early stage of middle Pleistocene. Net-veined laterite appeared at the top of lacustrine deposit, which reflected pedogenesis taking place after the end of deposition. Such evolution history proves that there had no lager river system traversing this area before the early stage of middle Pleistocene.

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Biyang fault-depression experience three evolutional phase: Mesozoic pull apart, Paleogene rift. Neogene downwarp basins. So it has in turn three basin-fill sequences and responding tectonic sequences, which were specified by regional unconformity; their general sedimentary style respectively is assemblage of fluvial fan～flood lake depositional system, fluvial fan ～ fan delta ～ lacustrine ～ delta depositional system. and fluvial plain ～ sand mudstone flat depositional system.

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In general, fan delta is well developed at the steep slope of faulted basin. Through the correlation of fan delta to standard deltaic parasequence model, a well-developed fan-delta succession could fall into two parasequences.

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The zone of abrupt slope have characters such as large slope, near provenance, complex palaeorelif and violent tectonic movement for the half graben like depression basin. It growed up 6 glutenite segments depending on fracture belt, such as torrential fanglomerate, braided stream delta, fan delta, offshore submarine fan, deep sea turbidity fan and fluxoturbidite fan.

引言渤海灣盆地為典型的箕狀斷陷盆地，其中的濟(jì)陽(yáng)坳陷為北斷南超構(gòu)造格局黄页视频免费在线看，北部陡坡帶在下第三系沉積時(shí)期具有坡度陡亚洲日屄视频在线观看、物源近及構(gòu)造活動(dòng)強(qiáng)烈、古地形復(fù)雜等特點(diǎn)亚洲小说图片综合在线专区，以斷裂帶為依托好男人在线影院官网www，各種成因的砂礫巖扇體極為發(fā)育，扇體前段尖滅于生油深洼陷之中日韩网友自拍区在线观看网站，具有優(yōu)越的成藏條件午夜视频久久久久一区免费。

Chapter 4 of this dissertation has carried out a physical simulation study about the processes of formation and laws of evolution of the fan delta in Baimiao gas field. Based on the results of the study about the geological background in this area, this paper has discussed about the sedimentation facies marks for the fan delta in Baimiao gas field, worked out a detailed proposal about the development of physical simulation experiment about the fan delta, and described in detail the general laws and major controlling factors governing the sedimentation processes of the fan delta. A detailed measurement was made about the experimental results, and a systematic comparison was made relative to the prototypic characteristics. Based on the observation and description about the experimental processes and the analyses about the experimental results, this paper has give

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Secondly, through the identification of facies marks and the analysis of sedimentary facies cross sections, alluvial fan, river, fan delta, delta, lake, sublacustrine fan and tempestite sediment environment have been developed in West Chaidam Basin.

其次，通過(guò)對(duì)相標(biāo)志的識(shí)別和對(duì)反映沉積相縱向演化的基干剖面的分析超碰人人做人人操人人爽，總結(jié)出研究區(qū)發(fā)育了沖積扇相黄色视频一级链接、河流相、扇三角洲相heyzo一区、三角洲相95av视频、湖泊相、湖底扇相以及風(fēng)暴沉積等沉積相類型欧美一级理伦片。

Second, the study determines that there are five sedimentary facies types including fan delta, braided delta, nearshore subaqueous fan, sublacustrine fan and beach bar, according to the identification of facies marks as well as comprehensive analyses of the content of conglomerate and sandstone, sandstone thickness, mudstone color, detrital composition and other data of Shahejie Formation in the western beach area of Liaohe Basin. There are three main provenance areas consisted of western uplifting, Huludao uplifting and central low uplifting.

通過(guò)相標(biāo)志的識(shí)別以及對(duì)礫巖含量激情小说亚洲色图、砂巖含量、砂巖厚度黄片av免费、泥巖顏色及碎屑組分等資料的綜合分析草草A片，確定了灘海西部地區(qū)沙河街組主要發(fā)育扇三角洲、辮狀河三角洲jiZZjiZZjiZZ中国人、近岸水下扇亚洲日韩欧美国产V、湖底扇和灘壩五種儲(chǔ)層沉積相類型看黄色网站色网站,黄色网站,黄色网站，并存在西部凸起、葫蘆島凸起和中央低凸起三個(gè)主要的物源區(qū)女高中高潮娇喘抽搐喷水视频。

The first sequence in the lower part is one subaqueous-fan~fan-delta depositional system which was caused by alluvial fan intruding lake basin; the lake transgressive system tract and high-stand system tract each contain one coal-seam group; and thick coal seams develop at the edge of subaqueous fan retrograded by lake transgressive system tract and in the region appropriately covered with water in the fan delta of high-stand system tract.

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The fault terrace zone controlled the occurrence and distribution of sand deposits, developing alluvial fan-fan delta system on the steep slope fault terrace and alluvial fan-fluvial-delta on the gentle slope fault terrace.

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