| 1. | 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。 |
| 2. | 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。 |
| 3. | Dege - xiangcheng metallogenic belt are formed in stretching vocalnic island arc , and the ore - foming process is related with vocalnic - sedimenting tightly
金矿床大多赋存于板块结合带内的蛇绿混杂岩带中。 |
| 4. | Paleoproterozoic ; wangjiahui granitoids ; partial melting ; recycling of islands arc and continent crustal materials ; tectonic transition ; wutai mountains
古元古代王家会花岗岩部分熔融岛弧和陆壳物质再循环构造转换五台山 |
| 5. | 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。 |
| 6. | Under the tectonic backgrounds of island arc belt , fore - arc trench belt , back - arc basin , and epicontinental active belt of late paleozoic , it has different volcanic rock characteristics
在晚古生代岛弧带、弧前海沟带、弧后盆地或陆缘活动带等构造环境下发育有不同的火山岩组合。 |
| 7. | The high - pressured granulites are formed both in the convergent area such as the subduction zones and collision zones and in the spreading area such as the bottom of the island arcs
高压麻粒岩既可形成于汇聚型构造环境如俯冲带、碰撞带等，也可形成于伸展型构造环境如岛弧底部。 |
| 8. | At last they have being formed the tectonic framework , after breakup of the volcanic island arcs , subduction , decline and fall of the back - arc basins and arc - microcontinent and arc - arc collision had finished
经过了长期而复杂的微大陆和火山弧的裂解、弧后盆地的消减衰亡及弧陆和弧弧碰撞等构造演化，才最终形成今天所见到的这种构造样式。 |
| 9. | 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
石英滩金矿床位于塔里木板块北缘晚古生带火山岛弧带，处于小热泉子-大南湖cu 、 ni 、 au 、 sn成矿带中西段，区域成矿地质条件优越。 |
| 10. | They all belong to the calc - alkaline island arc series and are closely related to the evolution of the arc - basin systems of the gangdise tectonic belt . based on studies of petrology , litho - geochemistry , tectonic setting , petrogenesis and magmatic evolution , the present dissertation summarized the general evolutionary regularity of the magmatic rocks in time and space . the magmatic rock assemblages are divided into the inter - arc spreading basin t
在对研究区主要矿产分布特征、成因类型系统分析的基础上，总结了措勤地区构造岩浆演化与成矿的关系，并将研究区成矿系统划分为汇聚大陆边缘成矿巨系统、碰撞造山成矿巨系统和陆内汇聚成矿巨系统。 |
