Permian period
英 [ˈpɜːmɪən ˈpɪəriəd]
美 [ˈpɜrmiən ˈpɪriəd]
网络 二叠纪; 二疊紀; 期二叠纪; 二迭纪; 叠纪
双语例句
- On the one hand, focusing on the mixed siliciclastic-carbonate sediments during late Carboniferous-early early Permian ( Benxi-Taiyuan period).
一方面，对晚石炭世-早二叠世早期（本溪期-太原期）发育的陆表海-障壁海岸-浅水三角洲在时空上共生而形成的陆源碎屑与碳酸盐混合沉积进行了重点探讨。 - It has been shown that the metallogenic parent rocks for primary bauxite are Maokou Formation limestone of lower Permian period, and partially added by old weathered materials.
结果表明，原生铝土矿的成矿母岩主要为下二叠统茅口灰岩，其次有少量古陆风化物的加入； - After late of Early Permian period, deposits of deltas and lacus took shape extensively along with up-lifting of Yimeng area in the north and marine regression of this area.
早二叠世晚期以后，随着北部伊盟地区不断隆升，海水退出本区，研究区形成广泛的三角洲和湖泊沉积。 - Analysis on peat's reserves in later permian period of Guizhou
贵州省晚二叠世泥炭储量分析 - Permian period coal seam in western of Henan province is classical Three-soft coal. For a long time, all coal mines were always low gas emission wells or high gas emission wells in this region.
豫西地区二1煤层是典型的三软煤层，长期以来，该地区各开采矿井一直为低瓦斯和高瓦斯矿井。 - The Early Sinian, Late Early Devonian, Permian and Triassic epoches are peak period of Mn metallogeny.
锰的成矿高峰期发生在早震旦世、晚泥盆世、二叠纪和三叠纪。 - Besides, we also find that there are magma thermal actions during the Carboniferous period and early Permian period.
此外，还发现有早期（石炭纪&二叠纪）岩浆热力作用事件。 - In the Carboniferous to Permian period, geothermal gradient increased, and could be up to 3~ 3.2 ℃/ 100 m.
石炭&二叠纪古地温略有上升，地温梯度可能达到3～3.2℃/100m； - Communities, palaeogeography and reefs of Middle Permian Qixia period in Hunan
湖南栖霞期的生物群落、古地理与生物礁 - The Permian period saw the creation of the supercontinent Pangaea, where shallow seas in and around the huge landmass offered a home to an abundance of life.
二叠纪期间，看到创造了超盘古大陆，其中浅海和周围的巨大的地块提供了回家了丰富的生活。