And based on the position of the gleaming white rock (which contains no datable minerals), many geologists say that the white material is even older.
And based on the position of the gleaming white rock (which contains no datable minerals), many geologists say that the white material is even older.
至于微微反光的白色岩石（里面没有可供定年的矿物），许多地质学家根据其所在位置推断，生成的年代应该更古久。