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对大别山西部加里东期熊店榴辉岩进行了离子探针(SHRIMP)U-Pb测年. 熊店榴辉岩中锆石主要赋存于石榴石等变质矿物内, 界面平直, 发育变质条件下形成的结构. 7个锆石颗粒的分析给出206Pb/238U年龄为335～424 Ma, 表现出一定程度的放射成因Pb丢失. 这一研究表明熊店榴辉岩的变质锆石及高压变质事件的最小年龄为(424±5) Ma. 另一个锆石的外部环状层给出206Pb/238U年龄为(301±13) Ma. 结合Sm-Nd, 40Ar-39Ar, U-Pb 和 207Pb/206Pb分析资料综合判断, 熊店榴辉岩的峰变质年龄可厘定在424～480 Ma之间.
The ion probe (SHRIMP) U-Pb dating of eclogites in the Xiongchengdian Xiongdian area, western Dabie Mountains, was carried out.The zircons in the Xiongdian eclogite mainly occur in metamorphic minerals such as garnets with flat and degenerate interfaces The analysis of the seven zircon grains gave a 206Pb / 238U age of 335-424 Ma, indicating a certain degree of Pb loss from the radiogenic gene.The study shows that the metamorphic zircons and high pressure The minimum age of metamorphic events is (424 ± 5) Ma. The outer ring of another zircon gives 206Pb / 238U age of (301 ± 13) Ma. Combining Sm-Nd, 40Ar-39Ar, U-Pb and 207Pb / 206Pb analysis of data to determine, Xiong Xiong eclogite peak metamorphism age can be determined between 424 ~ 480 Ma.