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林口建堂地区的高角闪岩相高级变质区主要指早寒武世至中寒武世深熔岩体中呈残留体或混合岩化状产出的变质岩。主要的岩石类型有矽线二长片麻岩、石榴矽线二长片麻岩、石榴矽线二长变粒岩等高角闪岩相变质岩石组合。
The high-amphibolite-facies metamorphic zone in Jiankutang area of Linkou mainly refers to the metamorphic rocks that are either remnant or mixed petrified in the Early Cambrian to Middle Cambrian deep-lava bodies. The main types of rocks are silanite gneiss, pomegranate sillimanite gneiss, pomegranate silage monzonitic granulite and other amphibolite facies metamorphic rocks.