The Archeozoic metamorphic rocks in Sanjia, eastern Hebei are dividedinto supracrustal rocks, felsic gneisses and granitoids.
将冀东三家地区太古宙变质岩系分为上壳岩 、 长英质片麻岩和花岗岩三类,并对各岩类的地质地球化学特征及演化进行了阐述.
The magma belongs to the crust mantle mixed type of Archeozoic crystalline basement remelted and recomposed.
其火山岩岩浆属于太古宙结晶基底重熔再造、壳幔混合型.
From Archeozoic to Cenozoic , there were magmatic actions in occurrence during every period.
从太古代到新生代, 几乎各个时期都有岩浆活动.