Time constraints for the closing of the Paleo-Asian Ocean in the Northern Alxa Region： Evidence fro

• 作 者: ZHANG Wen WU TaiRan FENG JiChe
• 机 构: LaboratoryofOrogenicBeltsandCrustalEvolution
• 出 处: 中国科学：地球科学英文版
• 发表日期: 2013年1期
• 关键词: 内蒙古阿拉善地区 二长花岗岩 古亚洲洋 碰撞时间 关闭 地球化学特征 岩体侵位 证据 Alxa Engger Us Qagan Qulu SIMS cr
• 基金项目: We thank the anonymous reviewers for their constructive reviews of this manuscript. We are grateful to Victoria Pease and Hildred Crill （Stock- holm University, Sweden） for improving our English and L

The Wuliji pluton in the Northern Alxa Region, Inner Mongolia, is the principal part of Shalazhashan Mountain. It belongs to the Zongnaishan-Shalazhashan Arc Zone, northwestern North China Plate, whose north is Engger Us Ophiolite Belt and south is Qagan