造山纪(Orosirian，符号PP3)是地质年代中的一个纪，开始于同位素年龄2050±0百万年(Ma)，结束于1800±0Ma。造山纪期间蓝藻、细菌繁盛。造山纪属于前寒武纪元古宙古元古代；造山纪的上一纪为层侵纪，下一纪为固结纪。
内蒙古东南部古生代造山带在石炭纪时期的构造环境和构造演化，至今在认识上存在较大的分歧。
There are great bifurcations as yet on the structural environment and on the evolution of the Xingmeng Paleozoic orogenic belt in Southeast Inner Mongolia during the Carboniferous Period.
这些证据为华南的三叠纪造山作用和构造演化模式提供了强有力的支持。
These evidences provide forceful support for tectonic interpretation of the Triassic orogeny and the tectonic evolution model in South China.
该区的碰撞造山作用主要发生在石炭纪和二叠纪，并经历了先挤压后伸展的演化过程。
The collisional orogenesis in the area occurred in the Carboniferous and Permian, and shows the character of the early compression and late extension.
应用推荐