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- Elsewhere, two plates may shift toward each other and converge along a deepsea trench and island arc. 在别的地方,两块板块又可能相向移动而沿着深海沟和岛弧逐渐聚合。
- On contrary, along the island arc to the northwest of the trench the vertical stress weakens by about 5 MPa. 在海沟西北侧的岛弧一带的应力状态则与之相反;约存在5 MPa的垂向应力减弱.
- Acid intrusions of Late Caledonian or Early Variscian Epoch result from island arc magmatism. 加里东晚期或华力西早期侵位的酸性侵入岩为岛弧环境产物。
- Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series. 其原岩岩石类型有火山岩,陆缘碎屑沉积岩,火山、岛弧拉斑系列或钙碱系列火山岩、蛇绿岩等。
- Kezlag rock formation whose mother rocks are greywacke is basinal deposit, Karakez rock formation's protolith is island arc volcanics. 克孜拉格岩组原岩为杂砂岩,属盆地沉积;卡拉格兹岩组原岩为岛弧火山岩。
- The volcanic rocks belong to the cal-alkaline series and petrochemistry and geochemistry show characteristics of island arc volcanic rocks. 酸性熔岩及同质凝灰岩,属钙碱性系列,且高钾富铝。
- The Kalaxianger porphyry copper deposit(belt)is located in a Late Paleozoic island arc on the southern margin of the Altay Mountains. 卡拉先格尔斑岩铜矿(带)位于阿尔泰东南缘晚古生代岛弧区,含矿斑岩主要为一套中-晚海西期的中酸性斑岩,围岩为中泥盆统北塔山组。
- The massive sulfides related to felsic volcanic rocks in the back-arc and island arc environments have higher content of gold. 通常形成于弧后或岛弧环境下的同长英质火山岩有关的块状硫化物中的金含量较高。
- Pengxian copper deposit and the Masongling Formation acting as host formation are products of island arc volcanism in convergent plate boundary. 证据表明,马松岭组及其所赋存的铜矿床均为会聚性板块边界古火山岛弧的产物。
- The Bayan Bold gold deposit, which is related to granite-porphyry formed in Early Paleozoic island arc environment, is of a mesothermal type. 通过综合研究认为,苏尼特左旗存在两种不同成因类型的金矿:一种是以白音宝力道金矿为代表的、与形成于早古生代岛弧的花岗斑岩有关的中温热液型金矿;
- One sample of ultramafic rock seemed to be a product of Jinningian island arc, which was discovered by drilling in central Tarim. 一件晋宁期超基性岩样品显示出岛弧岩浆岩的性质,与塔里木中部地区的闪长岩和花岗闪长岩应同为晋宁期岛弧的记录。
- It is concluded that there is a former island arc in central Altyn Tagh and an ocean basin in the north of the old island arc before Mesoproterozoic Era. 由此表明,在中元古代以前中阿尔金地块可能是一个古岛弧,在古岛弧的北侧还存在有一个古大洋盆地(或古弧后盆地)。
- Longshan complex, the junction of Qinling-Qilian orogen, Archean TTG, southern margin of North China Craton, early Paleozoic, island arc volcanics, Xinjie Complex. 01陇山杂岩:秦岭-祁连构造结合部位;太古代TTG;华北地块南缘;早古生代;岛弧火山岩;新街片麻岩套
- Tuwu largest type porphyry copper deposit is located in the island arc environment in the south margin of Turpan-Hami continental segment of eastern Tianshan Mountain. 摘要土屋特大型斑岩铜矿位于东天山吐鲁番-哈密陆块南部边缘岛弧环境中。
- Lantanbulake Formation of Changcheng System is composed of meta-volcanics and volcaniclastics which belong to island arc or active continental margin deposits. 长城系乱滩布拉克组由一套变火山岩、火山碎屑岩组成,属岛弧或活动陆缘沉积;
- Based on the late Paleozoic fold basement, Simao Triassic sedimentary basin formed in the early continental island arc colliusion stage after the close of Paleo Tethys ocean. 三叠纪沉积盆地建立在晚古生代褶皱基底之上,形成了古特提斯洋闭合后,造山早期的弧陆碰撞阶段。
- The Xiasai silver-polymetallic deposit lies in the exometamorphic zone of the late Yanshanian granite body in the Yidun island arc orogenic belt in West Sichuan. 夏塞银矿位于川西义敦岛弧造山带燕山晚期绒依措花岗岩体外接触带浅变质岩中,是一个超大型的中低温热液脉型银多金属矿床。
- The gold deposit of Kuoer Zhengkuona was discovered in late eighties in Sauer Mountains of Xinjiang,formed in island arc environment during Hercynian period. 阔尔真阔腊金矿床是80年代后期新疆萨吾尔山发现的金矿床。
- He has a strong political background. 他有强大的政治背景。
- They are formed in geodynamic tectonic surroundings of ancient island arc, usually oc-cured in the zone of ophiolitic formation and related with proto -plutonic granitoid rocks in genesis. 它们形成于古岛弧的地动力学构造环境,一般位于蛇绿岩建造带中,成因上与原地型深成花岗岩类岩体有关。