First SHRIMP zircon U-Pb ages for Hutuo Group in Wutaishan： Further evidence for Palaeoproterozoic a

• 作 者: S.A.Wilde ZHAOGuochun WANGKaiy
• 机 构: DepartmentofAppliedGeology,DepartmentofEarthScience,InstituteofGeologyandGeophysics
• 出 处: 中国科学通报：英文版
• 发表日期: 2004年1期
• 关键词: 锆石 五台山 元古代 山西 稳定地块 Hutuo Group SHRIMP zircon ages North China Craton Palaeoprote

A felsic tuffaceous rock, obtained from a metamorphosed sequence of volcanics and sediments of the Hutuo Group, 8 km south of Taihuai in Wutaishan, contains two zircon populations. These record SHRIMP ^207Pb/^206Pb weighted mean ages of 2180 ± 5 Ma a