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.

明地区孔兹系为一套变质的富铝质沉积组合，在晋宁期山运动期间该套系经历四期变质作用。

The lithologies are dominated by alternating sandstones, shales and limestone, and the sedimentary environment based on shoreland tidal flat with swamp developed in the lower.

性为砂、页-灰，沉积环境以滨岸潮坪为主，下部沼泽发育。