大陆形成

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.

原岩于具有基性火山作的活动大陆边缘滨海-浅海环境。经过太古宙的区域岩相质作，孔兹岩系。