九华山地区地壳基底形成于8亿年前；在2.5亿年前，相对稳定的地块隆升成陆；约1.4亿年前因板块碰撞，出现了两期大规模的岩浆入侵活动，形成东亚地区最大的花岗岩岩体，这是稳定地块活化的表现；6500万年前以来，受喜马拉雅造山运动影响，九华山大断裂塑造出壮观的花岗岩断块地貌；数千万年的流水、冰川和构造作用塑造了完整的“峰丘盆”地貌和丰富多彩的生物多样性景观。   The crust basement of Jiuhuashan was formed 800 million years ago. The stable platform uplifted to land 250 million years ago. The intense crustal activity happened with two stages of magmatism in Jiuhuashan area 140 million years ago, and the largest granite rock body in the East Asian was formed, which is sign of the stable continent reactivation. Because of Himalayan movement, Jiuhuashan Grand Fault made splendid fault-block mountains since the 65 million years ago. The complete geomorphologic pattern of mountain-hill-basin and abundant biodiversity were created because of tens of millions of years function of flowing water and glacier and structural activities.