石炭二叠系 meaning in English
permo-carboniferous system
Examples
- Gas generation model of permo - carboniferous coal in south slope of huimin sag
惠民凹陷南坡石炭二叠系煤层二次生气模式 - Hydrogeological conditions of carboniferous - permian coal reservoirs in north china
华北地区石炭二叠系煤储层水文地质条件 - The characters and variation of carboniferous - permian coal in tongxin coalmine
同忻井田石炭二叠系煤层煤质特征及其变化规律 - Distribution and burying characteristics of the permo - carboniferous system and the coal - formed gas source rock in jiyang depression
济阳坳陷石炭二叠系埋藏条件及煤型气源岩分布特征 - Coal , carbargilite in permo - carboniferous and carbonate in ordovician system were the main source rock of natural gas in the researched area
石炭二叠系分布的煤层、炭质泥岩和奥陶系碳酸盐岩是研究区主要的气源岩。