Petrogenesis and Dating of Two Types of Granite from North Qilian, China

• 作 者: WUCailai SHIRendeng YANGJingsu
• 机 构: ContinentalDynamicsLaboratory,ChungkungUniversity,StanfordUniversity
• 出 处: 地质学报：英文版
• 发表日期: 2005年2期
• 关键词: 祁连山北部 花岗岩 锆石年代测定 古生代 north Qilian granite zircon dating
• 基金项目: 国家自然科学基金，国家重点基础研究发展计划(973计划)，国家重点基础研究发展计划(973计划)，China Geological Survey Project

Two types of granitic intrusives occur in the lower Paleozoic strata in north Qilian. One is the hornblendebearing granitic body in Jingzichuan, characterized by the REE total of 90× 10-6-106× 10-6, LREE/HREE ratio of less than 8 (ranging from 6