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Some problems concerning proterozoic structure and strata of the sino-korean old land .

中朝古地块元古宙构造、地层的某些问题。

In addition to the whole school full of the purple matrix array also learn full satisfaction proterozoic .

把阵全学满除了紫阵满意元古也学满。

Archean mantle fragments in proterozoic crust , western gneiss region , norway .

挪威西部的片麻岩地区是元古代地壳中太古代地幔碎片。

Wind bearing co. , ltd. hubei proterozoic .

湖北宙风轴瓦股份有限公司。

In the grand canyon , the cambrian tapeats sandstone is nearly flat-lying , and overlies tilted proterozoic sedimentary rock .

在大峡谷里，寒武纪年代的塔皮斯砂岩是接近平躺着的，它覆盖在倾斜的元古代年代沉淀岩石的上面。