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- The Cenozoic Shahejie and Kongdian Formations, the Mesozioc and the Permo Carboniferous Systems are the main source rocks of the buried hill oil pools. 新生界的沙河街组、孔店组及中生界和古生界的石炭二叠系的烃源岩为潜山油气藏的主要油源。
- Carboniferous period, the early gymnosperms (such as etc.) is very impressive, but the number of ferns most abundant. 石炭纪时，早期的裸子植物（如苏铁、松柏、银杏等）非常引人注目，但蕨类植物的数量最为丰富。
- With rapid burial in a moist anoxic environment, such as the coal swamps of the Carboniferous period, carbonaceaous films of plant material like fern fronds may survive. 迅速埋藏于潮湿的缺氧环境下，正如媒在石炭纪沉没，类似蕨类植物的含碳植物材料即可能存活下来。
- The Carboniferous Period. 石炭纪，石炭系
- In the Carboniferous Period, 360 million years ago, the greatest evolutionary innovations were the amniotic egg which allowed early reptiles to move away from waterside habitats and colonize dry regions. 在石炭纪期间,360百万年前,最巨大的演变创新是允许早期的爬行动物从海滨栖所行动和拓殖干燥地区的羊膜蛋。
- While from west to northeast the average values of 87 Sr / 86 Sr are increasing in plane,indi cating that the marine transgression during the Carboniferous period happened in direction from west toward east. 平面上由西向东北方向87Sr/86Sr比值增大,说明石炭纪海侵是由西向东侵入的。
- The lamellibranchiiiata fossils and coral fossils of Upper Carboniferous period had been discoveried in the detrital rock and carbonafite rock by the geologic survey of the area of Yishenjilike mountain. 摘要通过对伊什基里克山特克斯达坂一带地质调查，首次于该区发现了一套含晚石炭世双壳、珊瑚、腕足及植物化石的碎屑岩。
- 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. 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。
- HIGH RESOLUTION SEQUENCE STRATIGRAPHY ANALYSIS ON THE PERMO CARBONIFEROUS IN NORTH CHINA PLATFORM 华北石炭、二叠系高分辨层序地层分析
- On Some Controversies of the Permo Carboniferous stratigraphy in North China Platform 华北地台石炭二叠纪若干地层问题
- Keywords stratigraphy sequence;tidal flat sedimentary system;coal rich unit;Permo carboniferous;Juye coalfield; 层序地层学;潮坪沉积体系;富煤单元;石炭二叠系;巨野煤田;
- Keywords Permo carboniferous;sulfur content of coal;correlation relation;genesis of sulfur; 石炭-二叠系;煤中硫含量;相关关系;硫的来源;
- Keywords the cycle of the base level;coal bearing measures;Permo carboniferous System;Huainan coalfield; 基准面旋回;含煤地层;石炭二叠系;淮南煤田;
- carbonized vegetable matter deposited in the Carboniferous period. 在石炭层沉淀的碳化的植物物质。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
