the silurian devonian的意思|示意

Therefore, this paper thought that Mazha-Kangxiwa-Subashi suture zone experienced Sinian to Early Silurian evolvement of Proto-Tethys and Devonian to Early Triassic evolution of the Palaeo-Tethys ;

由此本文认为麻扎-康西瓦-苏巴什结合带经历了震旦-早志留世的原特提斯洋的演化和中泥盆世-早三叠世的古特提斯洋的演化；

The contact relationship between Silurian and Devonian is parallel unconformity.

泥盆系与志留系之间为平行不整合接触。

No lithostratigraphic unit has been set up for the Silurian-Devonian strata in the vicinity of the Jinsha River, western Sichuan.

川西金沙江一带的志留—泥盆纪地层，前人没有建立岩石地层单位。

The main metallogenic elements and associated elements are concentrated in Silurian, Devonian and Carboniferous strata, which are, thus, the most potential horizons for prospecting.

西天山（南段）主要成矿元素及其伴生元素集中在志留系、泥盆系和石炭系中，因而它们是研究区内最有潜力的找矿层位。

In the Ordovician, Silurian Period, the Devonian, Carboniferous, the advent of low amphibians and ancient ancient reptiles.

在奥陶纪、志留纪、泥盆纪、石炭纪，相继出现低等鱼类、古两栖类和古爬行类动物。

The lamprophyres are widely distributed in Qinling, which are mostly well auriferous. The lamprophyres are occurred in silty slates of Palaezoic Silurian and Devonian systems.

秦岭地区广泛分布有煌斑岩，其主要赋存于古生界志留系与泥盆系的粉砂质板岩中，大部分含金较高。