According to data with fossils and sporopollens in underlying sediment stratigraphic and volcanic isotopic age determination,the volcanic is a lower Cretaceous equivalent of upper of Gouyang formation of Early Cretaceous.

• 根据其下伏沉积地层中化石和孢粉资料及火山岩同位素测年资料，白女羊盘组火山岩的时代为早白垩世，其层位相当于下白垩统固阳组的上部层位。