2) Xi Cheng lead zinc metallogenic provinces
西成铅锌矿化集中区
4) larger metallogenic centralized region
大型矿化集中区
5) Weichang mineralizing concentration region
围场矿化集中区
1.
Weichang mineralizing concentration region is located in compounding area of northeast-trending and latitudinal metallogenic zones in the northern part of Yanshan intracontinental orogenic belt.
围场矿化集中区位于燕山陆内造山带北部,处于北东向和纬向成矿带的交叉复合部位;太古宙-古元古代形成了矿源层,中生代发育多期岩浆侵入和火山喷发事件,形成了大量火山机构和热液蚀变,具有非常有利的金、银、多金属成矿地质条件。
6) mineral resources collective areas in Chinese western region
西部矿产资源集中区
1.
Construction of mineral resources collective areas in Chinese western region plays great actual significance during western department.
我国西部矿产资源集中区建设,对推动我国西部发展具有重要的现实意义。
补充资料:西成
1.谓秋天庄稼已熟﹐农事告成。
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