島弧系 的英文怎麼說

中文拼音 [dǎo]
島弧系 英文
island-arc system
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  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,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,總體上它們與大陸花崗巖的微量元素豐度和分佈特徵相似,統地虧損ba 、 nb 、 sr 、 p和ti等元素。
  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和活動大陸邊緣之間的過渡構造環境。
  3. Dependence relation between faults and gas hydrate

    昆侖多及泛華夏大陸的增生
  4. 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、拉斑列或鈣堿列火山巖、蛇綠巖等。
  5. 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,對金沙江多盆造山帶進行了詳細解剖,建立金沙江多造山造盆的模式,進一步發展造山帶沉積學和沉積盆地分析理論體
  6. 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「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、中祁連離散型地體、南祁連后盆地、柴達木地塊。
  7. 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盆分析和造山作用關的研究,探討了秦、祁、昆結合部多盆特徵;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。
  8. 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統:早期裂谷成礦組合(白銀廠清水溝銅及多金屬成礦組合) ,中、晚期成礦組合(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) 。
  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,可能是古特提斯多洋體中的一個后盆地。
  10. The lower paleozoic strata in the south kunlun massif are kulafuhe group of cambbrian - ordovician. they consists of metamorphic detrital rocks, limestone, magnetite - bearing basalt, quartzite ( meta - silicalite ), which suggests that they might form at active continent margin. the geochemical characteristics of volcanic and detrital rocks do indicate that they might form at an active marginal environment such as island arc etc. associated with the qimanyuter ophiolite suit, there are lots of early paleozoic granitic plutons

    在昆南地塊上的早古生代地層為寒武?奧陶庫拉甫河巖群,由變碎屑巖、灰巖、含磁鐵礦玄武巖、石英巖(變硅質巖)等組成,顯示其比昆北地塊有較大的活動性,火山巖和碎屑巖的巖石地球化學特徵也反映為及活動邊緣環境。
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