English translation for "active margin"
|
- 活动边缘;主动边缘
Related Translations:
- Example Sentences:
| 1. | 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 ) 根据构造发展阶段和成矿作用特点,确定本区成矿系统及组合如下: ( 1 )华北板块西南边缘太古宙中元古代裂解期前成矿系统:东大山铁成矿组合,金川镍铜成矿组合; ( 2 )柴达木板块北缘中、新元古代裂解成矿系统:桦树沟柳沟峡铁成矿组合; ( 3 )加里东期活动大陆边缘成矿系统:早期岛弧裂谷成矿组合(白银厂清水沟铜及多金属成矿组合) ,中、晚期岛弧成矿组合(红沟蛟龙掌铜及多金属成矿组合) ,弧后扩张盆地成矿组合(猪咀哑巴九个泉石居里铜及多金属成矿组合) ,与俯冲作用有关的岩浆热液成矿组合(塔尔沟小柳沟钨成矿组合,桦树沟柳沟峡铜成矿组合,大东沟吊大坂铅锌成矿组合) ,洋壳残片成矿组合(大道尔吉铬成矿组合,玉石沟铬成矿组合) ; ( 4 )碰撞造山成矿系统:前陆盆地成矿组合(天鹿铜成矿组合) ,陆内造山韧性剪切成矿组合(寒山鹰咀山金成矿组合) 。 |
- Similar Words:
- "active low-pass network" English translation, "active lysosome" English translation, "active maintenance time" English translation, "active malfunction" English translation, "active management" English translation, "active margin basin" English translation, "active marginal basin" English translation, "active marker" English translation, "active market" English translation, "active martix" English translation
|
|
|