Geochronology and Geochemistry of the Middle Proterozoic Aoyougou Ophiolite in the North Qilian Moun

• 作 者: ZHANG Zhaochong MAO Jingwen ZU
• 机 构: InstituteofGeology,InstituteofMineralDeposits,InstituteofGeology,CentreForMarineGeology,?,graduatedf
• 出 处: 地质学报：英文版
• 发表日期: 2001年1期
• 关键词: Proterozoic ophiolite geochronology geochemistry North QILIAN Mountains Prot
• 基金项目: This work was carried out as part of a larger project involving an investigation of ore deposits in the western part of the North Qilian Mountains funded by the National Planning Economic Commission o

The Aoyougou ophiolite lies in an early Palaeozoic orogenic belt of the western North Qilian Mountains, near the Aoyougou valley in Gansu Province, northwestern China. It consists of serpentinite, a cumulate sequence of gabbro and diorite, pillow and mass