The Middle Proterozoic group Strata in northwest Fujian had been Subjected metamorphism in Caledonian orogeny, and formed a metamorphic rock association of schist-gneiss-migmatite series.

闽西北中元古代地层在加里东运动期间遭受了变形变质作用，形成了一套片岩—片麻岩—混合岩系变质岩。

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The lower Proterozoic Badu Group is one of the oldest metamorphic rock series in the continental margin of Southeast China, and is an integral part of the early Precambrian Zhejiang-Fujian craton.

下元古界八都群是中国东南大陆边缘最古老的变质岩系之一，为早前寒武纪浙闽克拉通的主要组成部分。

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The Qinling Group of Lower Proterozoic is an advantageous environment for metallogenesis and the ductile shear zone is a major structure to control rocks and ores.

下元古界秦岭群是成矿有利环境，韧性剪切带是控岩控矿的主要构造。

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