khondalite

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.

明确黄陵地区孔兹系为一套变的富铝沉积组合，在晋宁期造山运动期间该套系经历四期变。

Its original rock is sedimented in the environment of active epicontinent-seaboard with basic volcanism, and become khondalite series through the Archean regional high-amphibolite facies metamorphism.

原形有基性火山的活动大陆边缘滨海-浅海环境。经过太古宙的区域高角闪相变，形孔兹系。