However,Wanghuichun et al. (unpublished data) has obtained U-Pb zircon SHRIMP age for Wulashan amphibolitesuggested as middle to new Archean in past literature from the southwest of Guyang that are1953~1967Ma.

• 在原一直认为是中太古代~新太古代的变质火山岩(乌拉山群)取得1953~1967Ma的锆石U-Pb SHRIMP年龄(王惠初等,未刊资料)。