Precambrian basement的意思|示意

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。

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 study shows that the range, location, intensity and depth of earthquakes are effected and restricted by the rolling topography of Precambrian crystal basement.

指出区内的地震活动范围、位置、强度和深度受前寒武纪结晶基底的起伏构造形态和深度的影响与制约。

Precambrian metamorphic rocks constituted the basin basement.

盆地的基底是前寒武系变质岩。

A craton includes a crystalline basement of commonly Precambrian rock called a shield, and a platform in which flat-lying or nearly flat-lying sediments or sedimentary rock surround the shield.

克拉通包含通常为前寒武纪岩石的结晶基底，即地盾，也包含围绕地盾的并在其上有平卧或近于平卧的沉积物或沉积岩层的地台。