The first type is residuals of metamorphic rocks of high amphibolite facies.
一类为属于高角闪岩相的变质岩（残余）包体；
The metamorphic facies gradually change from low amphibolite—high green-schist facies of the basement to low green-schist of the cover.
变质相由基底岩系的低角闪岩相—高绿片岩相逐渐过渡为上覆盖层的低绿片岩相。
The Fuping Group in Pingshan County, Hebei Province, is a suite of high-grade amphibolite-facies rocks.
河北省平山县阜平群是一套高角门岩相岩石。
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