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二叠纪被大量火山爆发缩短了时间。The Permian was curtailed by massive volcanism.

勘探层位以石炭系和二叠系为主。Main stratums of exploration are Permian and Carboniferous.

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其时代为晚石炭世至早二叠世。The age of Kalagang formation of late Carboniferous was early Permian.

淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积。The Permian in Huainan coalfield is a set of deltaic coastal deposition.

第二类原油主要来源于二叠系风城组烃源岩。The other one comes mainly from Fengcheng group source rocks of Permian.

豫东二叠系发育良好,分布普遍。The Permian system of East Henan is well developed and widely distributed.

二叠系生屑灰岩和生物礁为最有利的储层。Permian bioclastic limestone and bioherm are the most favorable reservoirs.

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地洼的形成与发展对中,古生代煤层赋存、变质关系密切。Graphite deposit of Heye was formed by metamorphism of the Permian coal bed.

本文就贵州二叠系锰矿与峨眉山玄武岩之关系进行探讨。Correlation between Permian manganese ores and Emeishan basalt is introduced.

鄂西香溪地区中二叠统发育良好。The Middle Permian strata is well-developed in the Xiangxi area, Western Hubei.

前人对该地区二叠纪镁铁质—超镁铁质岩石的研究程度较低。The studying degree of the predecessor is low to the Permian mafic-ultramafic rock.

船帆支持的异齿龙牧草中二叠纪景观在这方面艺术家的写照。A sail-backed dimetrodon forages amid a Permian landscape in this artist's depiction.

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雅克布森是第一个吸收皮尔士符号理论的语言学家。Roman Jakobson, a famous linguist, is the first person that adopts the permian semiotics.

其成矿作用主要受二叠纪火山岩相及火山机构控制。The metallization is controlled by the Permian volcanic lithofacies and volcanic edifice.

只有2亿5000万年前史上空前的二叠纪大灭绝盖过这次灭绝。The die-off was surpassed only by the gargantuan Permian extinction 250 million years ago.

然而剑齿龟生活的年代还没有草生长,因而食物来源可能是二叠纪植物群的茎或叶。Grasses did not exist at that time but it may have fed on stems or leaves of Permian flora.

乐平煤的研究对整个南方二叠纪煤成烃资源的评价具重要的地质意义。The study of the coal is significant for assessing the resource of Permian coal-derived oil.

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本文推荐贵州紫云羊场剖面作为我国的石炭系与二叠系界线层型。The Yangchang section is suitable as a stratotype for Chinese Carboniferous Permian boundary.

晚二叠世末,该地区变成弧后盆地,进一步转化成前陆盆地。The late Permian it was changed into the back arc basin, and transformed into foreland basin.

晚二叠世云开地块北移,与大明山微陆块碰撞。During Late Permian the Yunkai Block drifted northward and collided with the Damingshan Block.