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.

明确黄陵地区孔兹为一套变质的富铝质沉积组合，在晋宁期造运动期间该套四期变质用。

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.

原形成于具有基性用的活动大陆边缘滨海-浅海环境。过太古宙的区域高角闪相变质用，形成孔兹。