島弧 的英文怎麼說

中文拼音 [dǎo]
島弧 英文
(排列成弧形的群島) island arc
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. The qiongzhong and danxian batholiths, as the largest early mesozoic syntectonic granite intrusions in hainan island, are mainly composed of porphyritic biotite two - feldspars granitoids, in which alkali - feldspar phenocrysts and dark minerals are foliated mostly in we - direction. the granites are of metaluminous i - type. major and trace elements show co - variations with sio2, suggesting the fractional crystallization of plagioclase, hornblende, apatite and ti - fe oxides in the evolution of the granites

    花崗巖的主量元素和部分微量元素成分與sio _ 2呈良好的相關關系,顯示出明顯的斜長石、角閃石、磷灰石和ti - fe氧化物等的分離結晶作用,總體上它們與大陸島弧花崗巖的微量元素豐度和分佈特徵相似,系統地虧損ba 、 nb 、 sr 、 p和ti等元素。
  2. Chagan sag is a secondary tectonic unit in chagandelesu depression, northeastern yingen - eji ' naqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc at the connection region of north china plate * tarim plate and kazakstan plate, with the character of erogenic belt. in working area and its adjacent area, the forming tectonic setting of indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction ; that of early yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse ; and that of early cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase

    查干凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元,其盆地基底為古生代時期華北板塊、哈薩克斯坦板塊和塔里木板塊交接部位形成的陸緣或島弧褶皺帶,具有古生代造山帶的性質。研究區及鄰區印支期侵入巖形成於造山帶強烈擠壓陸內俯沖的構造環境;燕山早期侵入巖形成於由擠壓轉向拉伸、造山帶的增厚陸殼開始發生伸展垮塌的構造環境;早白堊世火山巖形成於造山期后進一步發生伸展垮塌的區域構造環境。
  3. Chagan fault depression is a secondary tectonic unit in chagandelesu subbasin, northeastern yingen - ejinaqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc with the character of erogenic belt at the connection region of north china plate, tarim plate and kazakstan plate

    查干德勒蘇凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元。其基底為古生代時期華北板塊、塔里木板塊和哈薩克斯坦板塊交接部位的陸緣或島弧褶皺帶,具有古生代造山帶的性質。
  4. Geotectonically, the youjiang sedimentary basin was referred as youjiang yindosinian folded belt. triassic turbidites accumulated in the basin were derived from surrounding ancient lands including yuebei, jiangnan, and yunkai. tectonic setting of the sedimentary basin was in between an active continental margin and a continental island arc

    賦礦濁積巖系的主要物源區為盆地周圍的「越北古陸」 、 「江南古陸」和東邊地區包括欽防海西褶皺帶在內的「雲開古陸」 ,沉積構造背景介於大陸島弧和活動大陸邊緣之間的過渡構造環境。
  5. This area was in an arc and rear - arc basin on convergent plates in the middle devonian

    其巖石化學及地球化學顯示島弧火山巖特徵。
  6. 4. it is the first time that eclogite conglomerates are discovered in maotangchan and fenghuangtai formations. this suggests that ultra - high pressure metamorphic rocks in the dabie orogenic belt exhumed to the earth ' s surface in lower cretaceous. the geochemistry data indicates that the protoliths of the eclogite gravels formed in a structure setting of volcanic arc

    首次在毛坦廠組、鳳凰臺組中發現了榴輝巖礫石,這一發現表明大別造山帶超高壓變質巖在早白堊世已經折返到地表,而且地球化學研究表明這些榴輝巖礫石的原巖形成於巖漿島弧構造背景。
  7. 2. 6 2. 7ga, these granitoids are most likely to be derived from the partial melting of hybrids both 2. 6ga metavolcanic materials in archean wutaishan magmatic arc and older continent crustal materials under lower than 1. 2gpa. petrological and geochemical characteristics of wangjiahui granitoid intrusion suggest that is probably fored under post - collisional tectonic background

    2 . 1ga在- 3 . 82 - 2 . 80范圍,表明王家會古元古代花崗巖最有可能形成於大約2 . 6ga五臺山大洋島弧火山巖物質和更老的陸殼物質在
  8. Dependence relation between faults and gas hydrate

    昆侖多島弧盆系及泛華夏大陸的增生
  9. 5. yulong - mangkang and leiwuqi - zuogong metallogenic belts are formed in collision - orogeny circumstance, and the ore - forming process is related with lava - thermal fluid tightly

    張性火山島弧環境下形成了德格?鄉城成礦帶,成礦與火山沉積作用密切相關。
  10. The results indicate : ( 1 ) the distribution of magmatic rocks shows the feature that in the middle and western part of the study area basic igneous rocks dominate, and in the middle - eastern part intermediate rocks are predominant, while in the southeastern part acid ones are developed. ( 2 ) in the area west to the shiwandashan basin, intermediate magmatites were controlled by deep ne - striking and nw - striking faults, especially at the conjunction site of these two group faults, magmatic activity was strong ; and its tectonic background can be attributed to extensional continental rift

    其中,在十萬大山盆地以西地區的偏基性巖漿活動受北東和北西向深斷裂控制明顯,尤其以此兩組斷裂交匯處的巖漿活動強烈,盆地構造背景屬大陸伸展裂谷環境;在十萬大山盆地以東地區為偏酸性巖漿活動,主要受東吳運動形成的欽防造山帶的控制,屬大陸邊緣造山帶或島弧造山帶環境。
  11. This paper indicates that the island affinity of the intrusion is related to subduction

    巖體的微量元素特徵表現為與俯沖作用有關的島弧特點。
  12. Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series

    其原巖巖石類型有火山巖,陸緣碎屑沉積巖,火山、島弧拉斑系列或鈣堿系列火山巖、蛇綠巖等。
  13. The stratigraphic sequences and sedimentological characteristics indicate that the main body of the bayan har basin is composed of triassic flysch sediments deposited in a foreland basin during the triassic. in the study of jinshajiang orogenic belt, in the applying archipelago theory and particular anatomies to basin analysis in this orogeny, the model of jinshajiang archipelago mountain building and basin building is set up. the orogenic - sedimentology and sedimentary basin analysis system is printed archipelago paleogeography any more

    在金沙江造山帶研究中,將多島弧盆理論應用於這個造山帶的沉積盆地分析研究中,對金沙江多島弧盆造山帶進行了詳細解剖,建立金沙江多島弧盆系造山造盆的模式,進一步發展造山帶沉積學和沉積盆地分析理論體系。
  14. According to the characteristics of strata, tectonization and magmatism within the research area in the southwest margin of north china paleocontinent, and under the ideological guidance of mobilism and systematology, the geotectonic framework of the area could be divided as follows : ( 1 ) the longshoushan mountains continental margin ; ( 2 ) the hexi corridor back - arc basin ; ( 3 ) the northern qilianshan mountains suture zone ; ( 4 ) the central qilianshan mountains dispersion type island arc terrane ; ( 5 ) the southern qilianshan mountains back - arc basin ; ( 6 ) the qaidam massif

    根據本區地層、構造、巖漿作用特點,在「系統論」 、 「活動論」思想指導下,釐定華北古大陸西南邊緣的構造格局如下:龍首山陸緣帶、河西走廊后盆地、北祁連縫合帶、中祁連離散型島弧地體、南祁連后盆地、柴達木地塊。
  15. The tectonic plate motions, especially at the convergent edge of the lithospheric plate, such as building mountain, earthquake eruption, island - arc and trough development, and so on, which are close related on the human inhabiting environment

    板塊構造運動,特別是巖石圈板塊匯聚地帶的構造運動? ?造山運動、地震爆發和島弧海溝的形成等,這些與人類生存環境息息相關。
  16. Shiyingtan gold deposit is situated in the volcanic island arc zone of northern margin of tarimu plate in the late paleozoic, and is located the west section of xiaorequanzi - dananhu the zone ore forming of cu, ni, au, sn. the condition of geological mineralization in the area is outstanding

    石英灘金礦床位於塔里木板塊北緣晚古生帶火山島弧帶,處于小熱泉子-大南湖cu 、 ni 、 au 、 sn成礦帶中西段,區域成礦地質條件優越。
  17. The continent in mid - westhern inner mongolia is composed of a microcontinent, three volcanic island arcs and three back - arc basins, which are north china microcontinent, baiyun obo back - arc basin, bainaimiao volcanic island arc, wendurmiao back - arc basin, sunitezue - xilinhaote volcanic island arc, hegenshan back - arc basin and erlianhaote - xilinguole volcanic island arc respectively

    摘要內蒙古中西部大陸由一個微大陸、三條后盆地和三條火山島弧,即華北微大陸、白雲鄂博后盆地、白乃廟火山島弧、溫都爾廟后盆地、蘇尼特左錫林浩特火山島弧、賀根山后盆地和二連浩特錫林郭勒火山島弧組成。
  18. In the link party of qinling - qiliang - kunlun belt, the polyarc - basin systemic characteristic is discussed with strengthen and standout study on the detail relationship analysis between the arc - basin. the bayan har basin thought to be the preexistence of the songpan - garze belt, is a back - arc basin among a series of polyarc - basin systems behind the qiangtang - taniantawong front the arc beginning in the late paleozoic. the eastern margin started as the western passive continental margin of the yangtze block ( d - t2 ), then changed into a foreland basin related to the north china block and the qiangtang block during the middle to late triassic

    在秦祁昆侖結合部研究中,加強和突出了精細的島弧盆分析和造山作用關系的研究,探討了秦、祁、昆結合部多島弧盆特徵;通過巴顏喀拉地區沉積特徵,沉積體的空間展布和形態,面式物源供給方式,礦物成分和地球化學背景分析,其沉積盆地屬性總體上反映出一個從過渡地殼-洋殼基礎上發育起來的周緣前陸盆地的發展和演化過程。
  19. Paleoproterozoic ; wangjiahui granitoids ; partial melting ; recycling of islands arc and continent crustal materials ; tectonic transition ; wutai mountains

    古元古代王家會花崗巖部分熔融島弧和陸殼物質再循環構造轉換五臺山
  20. In the light of tectonic evolution stage and metallogenesis, these metallogenic system ( assemblage ) could be classified as follows : ( 1 ) the pre - divergent metallogenic system in the southwest margin of north china paleocontinent in the archean - meso proterozoic : dongdashan iron, jinchuan nickel - copper. ( 2 ) the divergent metallogenic system in the northern margin of the qaidam paleoplate in the middle - late proterozoic : huashugou - liugouxia iron. ( 3 ) the metallogenic system in the active margin in the early paleozoic : the metallogenic assemblage in the island arc - rift in the early stage ( baiyinchang - qingshuigou copper - polymetallic ) ; the metallogenic assemblage in island arc in the middle - late stage ( honggou - jiaolongzhang copper - polymetallic ) ; the back - arc extensional basin ( zhuzhuiyaba - jiugequan - shijuli copper ) ; the metallogenic assemblage in connection with subduction and magmatic - hydatogenesis ( taergou - xiaoliugou wolfram ; huashugou - liugouxia copper ; dadonggou - diaodaban lead - zinc ) ; the metallogenic assemblage is related to the oceanic crustal shards ( dadaoerji chromite ; yushigou chromite ). ( 4 ) the metallogenic system has something to do with collision - type orogeny : the metallogenic assemblage in foreland basin ( tianlu copper ) ; the metallogenic assemblage with the intracontinental orogeny and ductile shear ( hanshan - yingzhuishan gold )

    根據構造發展階段和成礦作用特點,確定本區成礦系統及組合如下: ( 1 )華北板塊西南邊緣太古宙中元古代裂解期前成礦系統:東大山鐵成礦組合,金川鎳銅成礦組合; ( 2 )柴達木板塊北緣中、新元古代裂解成礦系統:樺樹溝柳溝峽鐵成礦組合; ( 3 )加里東期活動大陸邊緣成礦系統:早期島弧裂谷成礦組合(白銀廠清水溝銅及多金屬成礦組合) ,中、晚期島弧成礦組合(紅溝蛟龍掌銅及多金屬成礦組合) ,后擴張盆地成礦組合(豬咀啞巴九個泉石居里銅及多金屬成礦組合) ,與俯沖作用有關的巖漿熱液成礦組合(塔爾溝小柳溝鎢成礦組合,樺樹溝柳溝峽銅成礦組合,大東溝吊大坂鉛鋅成礦組合) ,洋殼殘片成礦組合(大道爾吉鉻成礦組合,玉石溝鉻成礦組合) ; ( 4 )碰撞造山成礦系統:前陸盆地成礦組合(天鹿銅成礦組合) ,陸內造山韌性剪切成礦組合(寒山鷹咀山金成礦組合) 。
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