七甸泥碳土的有机质含量高、天然孔隙比大、压缩性强、天然含水量高、强度低。
Qidian peat soil has the high organic content, big natural pore ratio, strong compression, high natural water-content, slow strength.
有机地球化学研究表明，西部第三系生油岩有机质类型主要以混合型为主，兼有部分腐泥型和腐殖型。
Studies on organic geochemistry show that the organic matter of the Tertiary oil-generating rocks in the west is mainly mix-typed, and part of it belongs to sapropel and humic types.
通过有机物组分含量分析，它们相当于中国中、新生代油源岩有机质类型中的腐泥型—腐殖腐泥型。
Analysis on the content of organic matter indicates that they are equivalent to organic matter of the sapropelic-humic type in the Mesozoic and Cenozoic source rocks in China.
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