^40Ar-^39Ar Dating of Albite and Phlogopite from Porphyry Iron Deposits in the Ningwu Basin in East-

• 作 者: YUJinjie MAOJingwen
• 机 构: InstituteofMineralResources
• 出 处: 地质学报：英文版
• 发表日期: 2004年2期
• 关键词: 钠长石 金云母 氩同位素测定法 铁斑岩矿 <Keyword>albite and phlogopite 40Ar- 39Ar dating po
• 基金项目: 国家重点基础研究发展计划(973计划)

40Ar-39Ar dating of albite from the Meishan and Taocun iron deposits yields plateau ages of 122.90±0.16 Ma and 124.89±0.30 Ma, and isochron ages of 122.60±0.16 Ma and 124.90±0.29 Ma, respectively. Phlogopite from the Zhongshan-Gushan o