The data of chemical composition of sediments indicate that the tectonic background of the turbidites is passive continental margin environment.
碎屑物常量化学成分投点表明，其形成时构造背景属被动大陆边缘。
There is a barrier between reservoir and atmospheric water of basin margin forming reducing environment with low sulphate which is favorable to methane bacteria activity.
储层与盆地边缘大气水渗滤带隔绝，形成了低硫酸盐的还原环境，有利于甲烷菌活动。
The sediment environment was in the passive continental margin.
沉积环境为被动大陆边缘。
Since 2006, Shanxi Province main Coal Groups have extracted 10.3 billion from the fund of ecological environment recovery and management, and used 3.3 billion margin.
2006年以来，山西省重点煤炭集团共提取矿山生态环境恢复治理保证金103亿元，使用保证金33亿元。
Zaoquan mining district of Lingwu coalfield is located in the west margin of Ordos Basin. Yan 'an Formation coal bearing measures formed in environment of lacustrine delta system.
鄂尔多斯盆地西缘灵武煤田延安组是在湖泊三角洲体系条件下形成的一套含煤岩系。
Zaoquan mining district of Lingwu coalfield is located in the west margin of Ordos Basin. Yan 'an Formation coal bearing measures formed in environment of lacustrine delta system.
鄂尔多斯盆地西缘灵武煤田延安组是在湖泊三角洲体系条件下形成的一套含煤岩系。
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