... precambrian strata 前寒武纪地层 Precambrian basement 前寒武纪基底 Precambrian shield 前寒武纪地盾 ...
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early precambrian basement 早前寒武纪基底
precambrian crystal basement 前寒武结晶基底
precambrian metamorphic basement 前寒武纪变质基底
early precambrian crystalline basement 早前寒武纪结晶基底
The Qingyi ductile shear zone (QDSZ) developed in Late Archean is a large-size ductile shear zone in granite of the western Shandong Precambrian basement.
青邑韧性剪切带是晚太古代末期发育在鲁西前寒武纪基底花岗岩中一条规模较大的韧性剪切带。
Early Precambrian basement in the Dengfeng area, central Henan Province, is mainly composed of the Neoarchaean Dengfeng Group, Palaeoproterozoic Songshan Group and Neoarchaean granitoids.
河南中部登封地区早前寒武纪基底主要由新太古代登封群、古元古代嵩山群和早前寒武纪花岗质岩石组成。
The characteristics of Precambrian basement in Heilongjiang province are complex structures, frequent magmatic activity, intense deformation and alteration and particular metallogenic activity.
黑龙江省前寒武纪基底具有构造复杂、岩浆活动频繁、变形变质强烈、成矿活动特殊等特点。
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