A suit of 40Ar/39Ar samples have been studied on the release of 40Ar(40Ar+ 40ArE) and 39Ar and show three patterns of curve of 4oAr and 39Ar released.

• 对具有不同地质历史背景的3类40Ar/39Ar法样品中的40Ar和39Ar释出特征进行对比，研究结果表明，40Ar/39Ar法样品中的40Ar、39Ar释气曲线主要表现为以下3种形式：完全重合型、过剩氩型和不规则型。