The Maozhedong Head-shaped stone is formed by the sphericity weathering of Adamellite formed 2.4billion years ago.
The Maozhedong Head-shaped stone is formed by the sphericity weathering of Adamellite formed 2.4billion years ago.
24亿年左右形成的二长花岗岩，发生球状风化后形成如毛泽东头象的岩石。