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.

明确黄兹系为一套变质的富铝质沉积组合，在晋宁期造山运动期间该套系经历四期变质作用。

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.

原于具有基性火山作用的活动大陆边缘滨海-浅海环境。经过太古宙的域高角闪相变质作用，兹系。