石流形成的 的英文怎麼說
中文拼音 [dànliúxíngchéngde]
石流形成的
英文
debris flow deposit- 石 : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 的 : 4次方是 The fourth power of 2 is direction
- 石流 : rock glacier
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These tiny debris-flow deposits formed on freshly excavated embankments of the california aqueduct.
這些細小的泥石流沉積是在新開鑿的加利福尼亞渠的大堤上形成的。The bulk of the volcano is basaltic, but the slopes are dotted with cones and lava flows consisting of glassy, silica - rich lavas called dacites
此火山的主體是玄武巖,但是山坡卻點綴著由石英安山巖(一種玻璃質、富含矽的熔巖)形成的熔巖錐和熔巖流。The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted
分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮(鉭)鐵礦包裹體為主,而巨晶中的「晶核」部位則以大量的熔體包裹體為主,反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中,而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中( 7 ) showing and determining the evidence and timing of the lithophere delamination occurred in qinling orogenic belt. pointing out the gold deposit in xiaoqinling - xiongershan region are mostly formed during indosinian to early - yanshan movement, related to mantle fluid injecting caused by lithosphere delamination and plutonic activity caused by further large - scale tectonic extension
初步闡述了東秦嶺地區的成礦分區和成礦特點,指出小秦嶺一熊耳山地區金礦形成的主要時期是印支一早燕山期,並且與巖石圈拆沉作用所引起的地慢流體活動和之後進一步大規模伸展作用產生的深源巖漿活動密切相關。Four major rock types are found within the reserve. from the oldest to the youngest, they are the tuffs with volcanic bombs, granodiorites, porphyritic rhyolites and basaltic dykes, respectively. geomorphologically, the marine reserve has typical exposed rocky shore of south - easterly - directed capes and headlands in hong kong
鶴咀海岸保護區內可以找到四種主要巖石種類,以巖石形成的年代計算,最古老的是火山爆發形成的凝灰巖,然後依次是花崗閃長巖,流紋斑巖及玄武巖。The southern hainan mafic dykes are strongly enriched in lile with high nb / ta ratios, indicating a magma source reconstructed by silicic - melt through partial melting of ancient subducted slides. however, the northern hainan mafic dykes with chondritic nb / ta ratio should be derived from the fiuid - metasomatized mantle related to ancient subduction zone
瓊南基性巖脈強烈富k _ 2o等lile和具有較高nb ta比值,其地幔源區應受到了古俯沖板片部分熔融形成的硅質熔體的改造;而瓊中基性巖脈的nb ta比值接近於球粒隕石和morb值,應為古俯沖帶含水流體交代的地幔源區的產物。The author presume the original physiognomy of jiuzhai valley, and acknowledged changhai valley was a surface - water with uniform waterpower, the rize valley was a branch of it but the inequality rise of lithosphere, the deposit of earthquake landslides debris flows and falling or glacier blocked the river - way, furthermore, the flow water with high content of ca ( hco3 ) 2, so tufa dyke formed and evolvement the present dyke of lakes the present physiognomy formed on the base of those 2
由於地震、滑坡、泥石流引起的堆積物和冰川作用形成的冰磧物堵塞河道,再加上構造運動造成地殼的不均勻抬升,九寨溝的這種獨特的地質環境以及高含ca ( hco _ 3 ) _ 2的巖溶水流作用下,為caco _ 3沉積創造條件,沉積的caco _ 3加高、連接最終形成灰華堤壩,使湖泊的形成成為可能。Baizhang cliff means very high and steep cliff formed by collapse of hard amamellite through long - term weathering and cutting of flowing water along the plumb joints
位於蒙山山谷中, 24億年左右形成的二長花崗巖,垂直節理發育,經長期風化和流水下切作用,發生重力崩塌作用后堅硬巖石一側形成百丈崖景觀。Through field investigation, microscopic study, x - ray phase analysis and mineral infrared spectrum analysis, the authors determine the laumontitization had occurred widely in the axi gold field. according to the development of laumontitization and its relationship to mineralization, authors reveal that the laumontitization appeared mainly at the top and periphery to ore - bodies. it befallen at the edge of the geothermal fluid system or happened in the late stage of geothermal fluid system evolution, hence can be assigned as an indicator to prospect for epithermal gold deposit. the fluid causing laumontitization in the axi gold deposit is similar to those causing hot spring type gold deposit or in modern geothermal field. the fluidization of the axi gold deposit happened in carboniferous, showing the west tianshan is a good district for epithermal gold mineralization and preservation. so west tianshan is prospecting for exploring epithermal gold deposit
通過野外考察顯微鏡下薄片鑒定x射線物相分析和礦物紅外光譜等研究,確定了阿希金礦濁沸石化的普遍存在根據濁沸石化發生的規律及其與礦床形成的關系,確定濁沸石化主要見于礦體的上部和外圍,發育在地熱流體系統的邊緣和演化晚期,可作為尋找淺成低溫熱液型金礦的標志之一。導致阿希金礦濁沸石化的流體性質與熱泉型金礦成礦流體和現代地熱田類似,流體作用發生在石炭紀,證明西天山地區具有良好的淺成低溫熱液型金礦的形成和保存環境,因此找礦前景較好。Partial melting of the enriched lithospheric mantle owing to a raised geotherm caused by lithosphere thinning and following the afc process resulted in the formation of the quannan and tabei syenites in southern jiangxi
隨著拉張作用加強,受軟流圈物質交代過的巖石圈地幔的小比例部分熔融形成的高鉀堿性巖漿經afc作用形成堿性雜巖(全南和塔背巖體) 。There is a close relation between mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the manzhouli - e ' erguna region in the northeast of the northern orogenic belt, china, and three evolution stages of the mesozoic tectonic - fluid - petrogenetic and metallogenetic system are proposed out : 1 ) acompanied by ree and cu mineralization, the calc - alkaline volcanic rocks and mantle - crust mixed type granite occurred under the regional tension tectonic background caused by the mongolia - okhotsk residual ocean that was closing in scissors form in the early - middle jurassic. 2 ) acompanied by pb, zn and ag mineralization, the calc - alkaline and alkaline volcanic rocks occurred under the regional shear - compression tectonic background in the late jurassic. 3 ) acompanied by u, f, pb, zn and ag mineralization, the caic - alkaline and alkaline volcanic rocks occurred under the regional tension tectonic background in the early cretaceous
摘要本文討論了北方造山帶東北段滿洲里額爾古納地區及其毗鄰區中生代構造流體成巖成礦系統及其演化的三個不同階段: 1 )早中侏羅世張性「似裂谷環境」下所形成的中基性堿性火山巖、同熔性花崗巖及深源流體活動形成的稀土礦床和斑巖性銅鋁礦床; 2 )晚侏羅世擠壓剪切環境下所形成的酸性火山巖、斑巖類及深源流體活動所形成的鉛鋅銀礦床; 3 )早白堊世張性環境下所形成的基性堿性火山巖及深源流體活動所形成的鈾礦床、金銀礦床及螢石礦床。Abstract : the authors discuss roundly source of loose earth fo r impact - deposit debris flow to develop taking pingchuan debris flow, one of the quite typical impact - deposit debris flows in southwest sichuan province , as an example in this paper. on the basis of detailed investigations in - situ, geotechn ial testing in lab and theory analysis, all results indicate obviously that moder ate and bulky loose earth in giant debris flow situating in southwest sichuan mo untainous area are main institute, whose tribulation are consistent with landform s. loose earth locating in mid - forepart catchment are quite unstable, so often be comes main source of loose earth of debris flow. formation of loose earth is cont rolled principally by geologic and geotechnical environment while human actions is the secondary factor for loose earth to form. in many times, human actions prov ide loose earth through loose earth stability
文摘:本文以極具典型的平川泥石流為例比較全面的分析了沖淤變動型泥石流的物源問題.根據現場調研及室內巖土分析進行的研究成果顯示,川西南高山深谷地區的大型泥石流溝中的鬆散土體以中、粗粒段為主,其分佈與地形密切相關;位於泥石流溝中、前部位的鬆散土體的穩定性最差,是補給泥石流的重要物源;鬆散土體的發育主要受控于地質及巖土環境,人類活動只能影響鬆散土體的穩定性They drove as far as they could before wading through the muddy water filled with rock debris from the landslide to the newly formed lake. the 40 - minute trek was followed by a 30 - minute journey by motorboat to the affected area
前往災區十分不容易,下車后要走四十分鐘,通過塌下的泥石流,到達新形成的湖后,再坐三十分鐘摩托船才到達鎮上。The early coaxial progressive depressing makes the forming of tectonic lens in the competent rich - sodic and incompetent rich - mud rocks ; the later nocoaxial progressive shearing makes the tectonic compression fracture into extension fracture in the early tectonic lens, at the same time, the great drop of pressure leads to the hydrofractureing of deep fluid along the fracture in the rich - sodic rocks, and then produces the hydrofracturing breccia
早期共軸遞進擠壓使能幹性的富鈉質巖系與非能幹性的富泥質巖系發生構造透鏡石香腸化;晚期的非共軸遞進剪切使早期在透鏡體中心形成的構造裂隙由剪性轉化?張性,並?生巨大的壓力降使深部的流體在富鈉質巖系中沿裂隙發生水力壓裂作用,從而形成雙王水力壓裂含角礫巖。The oldest exposed rocks are devonian fluvial sediments that were deposited 400 million years ago. the region was subsequently inundated by a shallow sea
年代最久遠的巖石是四億年前泥盆紀時期由河流沖積形成的沉積巖。Hong kong lies on the southern edge of an ancient land mass. the oldest exposed rocks are devonian fluvial sediments that were deposited 400million years ago
香港處于古陸塊的南緣,最老的外露巖石是在4億年前的泥盆紀時期,由河流沖積形成的沉積巖。The well - developed rimmed textures indicate that the dolostones in the study area resulted from the diagenetic replacement of limestones by mixed meteoric - marine pore fluids
廣泛發育的白雲石環邊結構等淡水成因標志表明,該區白雲巖是通過大氣水海水孔隙混合流體交代灰巖所形成的。Abstract : because the shenfu - dongsheng mine area is located in intermediate of arid and semiarid zone, its ecological environment is very fragile. based on the fragileeco - environmental, the coal mining and construction have brought out some new environmental problems. man - made debris flow problems is the most serious of them which caused by coal mining, construction of railway and highway as wellas exploiting stone. through a great deal of experiments of artificial simulation setting water rushing to two types of slope debris flow and debris flow gully in shenfu - dongsheng mine site, the characteristics is favourable to formation of debris flow ; ( 2 ) the waste gangue is easy to initiate and is main solid material of debris flow in this area ; ( 3 ) the whole debris flow process could be observed through the model simulation experiment of debris flow gully. at present, this experiment method is the best way to analyze debris flow genesis and process
文摘:神府東勝礦區位於黃土高原北部乾旱半乾旱過度地帶,由於煤田的大量開采,誘發了大量的環境問題,尤以人為泥石流最為嚴重.本文以神府-東勝礦區人為泥石流為研究對象,採用人工放水沖刷模擬實驗的方法,分析了坡面型和溝谷型泥石流源地鬆散體起動、產沙、泥石流過程的特性,所得結論為: ( 1 )放水歷時長、強度大,有利於泥石流的形成; ( 2 )棄土石渣易起動,是該區泥石流固體物質的主體; ( 3 )溝道型泥石流放水沖刷模擬實驗,便於觀測泥石流的全過程,坡面型泥石流放水沖刷模擬實驗,利於統計產沙、觀測侵蝕形態Rising middle mountains abounds with steep slops and cliffs and monoclinical middle mountains high slants. this make them easy to collapse in high slants and slope failure usually happens in acclinal slopes. regional geology structure exerts an obvious constraints on the water system of the dazhaigou - haizigou valley
斷塊隆升中山坡面多陡坡和峭壁,單斜中山的逆傾坡以峻坡為主,易產生林金沙江白鶴灘水電站庫區大寨溝、海子溝流域泥石流形成環境與流量研究料崩塌,而單斜中山的順傾坡上易形成滑坡。In part three, according to the viewpoint of system, giving consideration to all kinds of condition of forming hillslope debris flow, taking five indexes as follow : the shape index of ditch, the mean value of greatest precipitation within 24 hours, the developing degree of unstable mass, the mean depth of loose " accumulated clay and the rate of plant cover, applying fuzzy mathematics, the paper designs a suit of scheme about judging hillslope data
第三部分,依據系統的觀點,全面兼顧了山坡泥石流形成的各種條件,選取溝谷縱剖面形態指數、最大24小時暴雨均值、不良地質體發育程度、鬆散堆積層平均厚度和植被覆蓋率五個指標,運用模糊數學方法在室內設計出一套山坡泥石流溝與非泥石流溝的判定方案。然後以野外實例數據進行檢驗,結果表明本方案分辯率較高,為84 . 6 ,且偏於安全一側。分享友人