The khondalite lithology is composed of a suit of metamorphic aluminium-sedimentary rock.During the Jinning movement, the sedmentary rock experienced four stages of metamorphism.

• 明确黄陵地区孔兹岩系为一套变质的富铝质沉积岩组合，在晋宁期造山运动期间该套岩系经历四期变质作用。