The geologic structures is very complex and the surface is a crisscross network of gullies in the Hefei Basin.

• 合肥盆地地质构造复杂,地表沟壑纵横,通过对重力异常目标处理,揭示基底特征及断裂、构造发育情况,认为本区南北分区,"众凹环隆"。