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
- 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。 - Braided Delta Depositional System and Coal Accumulation During Early Late Permian Period in Eastern Yunnan and Western Guizhou, Southwest China
滇东黔西晚二叠世早期辫状河三角洲沉积体系及其聚煤特征 - 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 - 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； - The source of gold deposits were derived from the basalts originated in partial melting of upper mantle during the Carboniferous and Permian period, and later enriched in the frontal imbricated fault zones of the large thrust nappes.
金矿源来自上地幔部分熔融产生的玄武岩，后期经活化富集于北山地区南部推覆前缘叠瓦断层带中。 - 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； - 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。 - The whole Carboniferous-Permian period was under the environment of extension.
华北石炭二叠纪的海侵作用石炭纪&二叠纪，整体处于拉张环境。 - Analysis on peat's reserves in later permian period of Guizhou
贵州省晚二叠世泥炭储量分析 - In Permian period, the favourable conditions of paleogeographical environment within the boundaries of Guangxi made two sets of ecotypic ammonoids living in the "open sea" and "restricted sea" multiply and develop.
二叠纪时，在广西境内有利的古地理环境条件下，使开阔海、局限海两套生态类型菊石得以繁衍发育。 - Based on the above, the paper also elaborates systematically the evolution of δ 13C and δ 18O in the Permian marine carbonate rocks and its relation with sea level change and establishes the evolution curves of the carbon and oxygen isotopes in the Permian period.
在此基础上系统阐述了整个二叠纪海相碳酸盐岩的δ13C和δ18O的演化与海平面升降的关系，第一次系统建立了二叠纪古海洋碳酸盐岩的碳、氧同位素演化曲线。 - This paper analyzed peat's distribution in later permian period by GIS and searched a way on quickly calculating peat's reserves.
本文运用GIS调查方法对晚二叠世含泥炭地层的分布情况进行分析，结合区域地质调查资料，对快速计算泥炭储量的方法进行了初步探索。 - There are plenty of peat deposited in the later permian period in Guizhou, which are distributed in large areas.
贵州晚二叠世泥炭分布广，储量大，但是由于地质条件复杂，对其储量的探查与计算工作都十分繁琐。 - The basin rose and became continent since Permian Period.
自二叠纪以来，盆地上升为陆。 - 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。 - Sea lever raising-falling event in Carboniferous period to Permian period, in the west of Henan province, china
豫西石炭～二叠纪海平面升降事件 - In the Late Carboniferous and Permian Period, the location of Ordos Basin was at around 20 ° N with widespread limnogenic deposits, being important source rocks of Coal-oil and coal-gas.
晚石炭世－二叠纪，盆地处于北纬20°左右地区，广泛发育的湖沼相沉积地层是煤成油、气的主要源岩层； - The catastrophic geological events bet-ween the Permian period and the Triassic period in Northwest Jiangxi region
赣西北地区二叠&三叠纪之交的灾变性地质事件 - 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。 - Two-fold or three-fold?& concerning geological time scale of Permian Period
二分抑或三分&关于二叠纪地质年表 - Where Hainan Island is in Carboniferous-permian period?
石炭纪二叠纪的海南岛何在？ - I propose that those basins be compared to the Black Sea and Caspian Basins, and suggest that Junggar was formed during the Carboniferous Period, and Tarim and Qaidam during the Permian Period, as back-arc basins behind volcanic arcs on the southern active margin of Paleozoic Asia.
作者主张这些盆地可以与黑海和里海盆地相比较，并提出准噶尔盆地形成在石碳纪，塔里木和柴达木盆地形成在二叠纪，它们是古生代亚洲南部活动边缘火山弧后面的残留盆地。 - It is pointed out that the extensive development of primary gold deposits from the Carboniferous Period to the Permian Period structured the gold-metallogenetic provinces of the Altay orogenic zone, so the primary gold deposits are the principal mineral origins for the placers.
指出从石炭纪到二叠纪，广泛发育的原生金矿床构成了该造山带金的专属成矿域，所以原生金矿是砂金最主要的物源。 - The U-Pb isotopic ages of Zirconium proved that the district is lack of the strata or magma of after Permian period in Paleozoic group and Mesozoic group.
锆石U-Pb同位素年龄印证了矿区及外围缺失二叠系以后古生界及中生界的地层或岩浆岩。 - 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。 - 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。 - There is partial lacuna in the Carboniferous strata. Permian was a period of erosion that began to deposit.
石炭系部分缺失，二叠纪为剥蚀期，并开始接受沉积。