島弧地區 的英文怎麼說

中文拼音 [dǎohúdeqū]
島弧地區 英文
arc terrain
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  • 區 : 區名詞（姓氏） a surname
  1. 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。
  2. 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。
  3. 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。
  4. 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、河西走廊弧后盆地、北祁連縫合帶、中祁連離散型島弧地體、南祁連弧后盆地、柴達木地塊。
  5. 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。
  6. 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。
  7. 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） ，弧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） 。
  8. 5. based on the analysis of their source rocks, the mesozoic detrital rocks in feixi area are mainly derived from metamorphic rocks of fuziling and luzhengguan groups, and the provenance of fenghuangtai formation is a disappeared ultra - high pressure metamorphic rock unit characterized with inland arc eclogites

    物源分析表明，位於肥西地區中生代碎屑巖主要來自佛子嶺群和盧鎮關群變質巖，鳳凰臺組的源區來自於一個已經消失的以島弧榴輝巖為代表的含超高壓變質巖單元。
  9. Based on the geological, stratigraphic and geochemical characteristics of the ophiolitic melange, island - arc and rift volcanic rocks from the jinshajiang zone, an archipelagic tectonic model with multi - rift and multi - subduction is proposed to explain the evolution of jinshajiang paleo - tethys. the ophiolitic melanges of the jinshajiang zone are mainly outcropped at baimangxueshan, tongduo, gongka, dongzhulin and jiyidu in the deqin county. the geochemistry of major and trace elements of the jinshajiang ophiolite shows its geochemical characteristics are similar to those of the more and island - arc volcanic rocks, but different from those of the typical n - mopjb

    金沙江蛇綠混雜巖主要分佈在德欽縣的白茫雪山、通多、共卡、東竹林和吉義獨地區，主量和微量元素地球化學特徵研究表明，金沙江蛇綠巖不具有典型n - morb的地球化學特徵，而具有介於morb和島弧之間的地球化學特徵，暗示它並非形成於寬闊的大洋環境，不是古特提斯在滇西北地區的主縫合帶，可能是古特提斯多島洋體系中的一個弧后盆地。
  10. It is very resembly representative island arc volcanic rock in the geochemistry character, so i demonstrate that a petrofabric formed tectonic activity section and island arc environment ; i also demonstrate that parametamorphite in the a petrofabric formed tectonic activity section. b petrofabric is very resembly a petrofabric in many aspects, so i think that b petrofabric also formed island arc environment, but volcanic activity obvious weakened in the b petrofabric stage. c petrofabric formed carbonatite mesa

    在地球化學特徵方面與典型島弧火山巖非常相似，得出a巖組形成於構造活動區，形成環境為島弧環境。 a巖組的副變質巖的原巖碎屑巖是快速堆積的，處于構造活動區。 b巖組和a巖組對應的巖石在各個方面都非常相似，所以形成環境也為島弧環境，只是火山活動在這期間明顯減弱。
  11. The region, a 900 - mile ( 1, 450 - kilometer ) arc of 76 sparsely populated atolls and two islands, is one of the world ' s primary producers of cultured black pearls

    這片900英里的弧形區域由稀疏分佈的76個環礁和2個島嶼組成，它也是世界上主要黑珍珠產地之一。
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