... Permo-carboniferous period 石炭二叠纪 Permo-carboniferous system 石炭二叠系 Permo-Carboniferous 石炭二叠纪 ...
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石炭-二叠系 Permo-Carboniferous system ; carboniferous-permian ; permo-carboniferous
石炭-二叠系界线 carboniferous-permian boundary
石炭二叠系煤系烃源岩 source rocks in the Carboniferous-Permian coal measures
石炭-二叠纪煤系 Carbono-Permian coal series
石炭系二叠系界线 carboniferous-permian boundary
石炭系与二叠系 carboniferous and permian
石炭系和二叠系 Carboniferous Permian
济阳坳陷石炭二叠系烃源岩主要为煤和暗色泥岩。
In the Jiyang depression, the main Carboniferous-Permian hydrocarbon source rocks are coals and dark mudstones.
本文研究的重点是济阳坳陷煤成气的层位石炭、二叠系的划分与对比及地层的残余厚度分布。
The emphases of this study are the stratigraphic subdivision, correlation and the distribution of Carboniferous and Permian in the coal bed of Jiyang Depression of Shandong.
渤海湾盆地是中、新生代裂谷盆地与石炭-二叠系残留含煤盆地的复合叠合盆地。
Bohaiwan basin is a composite basin polymerized by a Mesozoic and Cenozoic rift basin and a Carboniferous remnant coal-bearing basin.
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