1) island are tectonic system
岛弧构造系
2) island are belt
岛弧构造带
3) arc-back environment
岛弧构造环境
4) arc formation
岛弧建造
1.
The Duobaoshan superlarge copper deposit is a porphyry-type deposit dated at 292～283Ma and occurred in an arc formation of the Duobaoshan Group of Ordovician as well as in granodi-orite and granodiorite porphyry in Hency.
多宝山超大型铜矿床是我国典型的斑岩型矿床，主要产出于多宝山组岛弧建造和花岗闪长岩、花岗闪长斑岩中，成矿年龄为292～283Ma。
6) island arc system
岛弧系列
1.
Each island arc in the Northwest Pacific island arc system is composed ofcontinental crust arc and oceanic crust arc (except for the Mariana island arc).
西北太平洋岛弧系列中的各岛弧(除马里亚纳岛弧为洋壳型弧外)均由陆壳型弧和洋壳型弧组成,并且左端与大陆相连,右端被后形成的岛弧所截。
补充资料：华夏系构造
简称“华夏系”。主要是由走向东北的褶皱、压性和扭压性断裂带构成。在中国东部和东南部相当发育。
形成时代比新华夏系早，约在古生代晚期。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条