It was revealed that the radiolarians in the pebbles dated from Tournaisian to early Visean in age.Geochemical characteristics of the pebbles implied that the radiolarian was deposited in a small oceanic basin,indicating that Kelamaili oceanic basin was closed in the late Early Carboniferous and a quick uprising occurred in the Kelamaili orogenic belt during early Jurassic.

關(guān)于兩板塊縫合的時代涩涩视频在线下载，地質(zhì)學(xué)者存在較大爭論国产三级免费在线，有早古生代、泥盆紀777性视频、早石炭世不同觀點：蔡文俊(1986)根據(jù)放射蟲研究認為縫合時代為早石炭世[1]人人操人人人看，何國琦等(2001)認為克拉麥里造山帶是由克拉麥里早古生代洋閉合形成[2]黄色操B免费视，舒良樹和王玉凈(2003)根據(jù)放射蟲動物群對比認為克拉麥里蛇綠巖形成年齡為晚泥盆世法門期—早石炭世杜內(nèi)

The frist step is selecting any gage that building in the river basin as rainfall center, and adding the nearest rain gauge step by step to calculate the point and areal rainfall for different size of area. Using different gage that in the river basin as rainfall center can get the result of different case.

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The present situation of a basin might be only a relict part of a large basin in geohistory, or a sedimentary collage, with the sedimentary records from originally separated and independent basins.

現(xiàn)存的一個盆地欧美一区二区在线网站观看蜜臀，可能只是地史期間大盆地的殘余部分78摸免费人成视频在线观看；或是原來彼此分開和獨立的幾個盆地內(nèi)的沉積記錄組成的沉積物拼盤A片网站资源。

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.

是一個由中生代弧后準前陸盆地向新生代山間盆地發(fā)展演化的一個大型坳陷。充填了內(nèi)陸湖泊半干旱氣候下咸化環(huán)境－半咸化環(huán)境的大套泥質(zhì)巖日韩黄色网站AV，含鈣質(zhì)泥巖及碳酸鹽巖和碎屑巖2022韩国限制级电影在线观看。形成一套巨厚的具兩期排烴高峰的烴源巖国产孕妇挤奶在线观看电影网站视频，兩種類型的儲集巖系、特殊的蓋層條件及運移條件。

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.

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There are abundant hydrocarbon resources in Silurian reservoirs in Tarim basin, and the stratum of the Silurian is the key exploration stratum in Tarim basin.

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The west slop in Songliao basin abounds in oil sand resources, whose formation has a close relation to the geology, structure and oil-gas enrichment in Songliao basin.

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4The relation between tectonic event and the formation and accumulation of natural gas of Upper-Palaeozoic strata in northeastern of basin suggest that: there is a close relationship between the middle Yanshanian tectonic event and largest gas generating process of coal series source rock of Upper-Palaeoproterozoic, and the key time for gas generating and protogene gas reservoir accumulation are about 140-100Ma. The natural gas adjustmentsese婷婷、dissipation and secondary accumulation is controlled by the strong uplifting tectonic event with age about 20Ma of slop belt in northeastern of basin.

4盆地東北部構(gòu)造事件與天然氣成藏關(guān)系的研究表明：上古生界大規(guī)模生氣和原生成藏的關(guān)鍵時刻主要發(fā)生在140-100Ma的燕山中期構(gòu)造熱事件時期，后期天然氣調(diào)整逸散改造和次生成藏明顯受控于盆地東北部斜坡帶20Ma的中晚喜山期強烈構(gòu)造抬升事件黄色网站一区二区三区四区。

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