2) lacustrine mudstone
湖相泥岩
1.
Ten series of aromatic hydrocarbon compounds including bipheny1,naphthalene,phenanthrene,anthracene,retene,chrysene,benzoanthracene,dibenzofuran,fluorene,dibenzothiophene series from seven lacustrine mudstone samples and three swamp coal samples,as well as five crude samples of the Triassic and the Jurassic in Kuqa Depression were analyzed with GC?MS.
分析了塔里木盆地库车坳陷三叠系、侏罗系 7个湖相泥岩和 3个煤岩以及 5个陆相原油样品中的萘、联苯、氧芴、芴、二笨并噻吩、菲、蒽、惹烯、和苯并蒽系列 10种重要芳烃化合物。
2.
The north-north-west directional faults vertical to the sandstone elongation direction provided the effective lateral plugging condition,whereas many lacustrine mudstones formed during water invasion stage provided the good direct cap-rocks.
三角洲前缘相带中砂岩、泥岩地层交互发育 ,控制着岩性油藏总体含油范围 ;与砂体分布方向近于垂直相交的北北西向断层为岩性成藏提供了有效的侧向封堵条件 ;湖侵过程中形成的多套湖相泥岩提供了重要的直接盖层 ,是形成大面积含油的必要条件。
3) lacustrine limestone
湖相灰岩
4) shallow lake facies silty fine sand
湖相粉细砂
6) Conglomeratic facies
砂砾岩相
补充资料:粉砂岩
粉砂岩 siltstone 由粒径为0.0625~0.0039毫米(mm)的粉砂的含量占50%以粉砂岩标本的一种碎屑沉积岩。除粉砂以外其它由砂、粘土或化学沉淀物组成。按粒度划分为粗粉砂岩(0.0625~0.0312mm)和细粉砂岩(0.0312~0.0039mm)。按碎屑成分划分为石英粉砂岩、长石粉砂岩、岩屑粉砂岩(少见)和它们间的过渡类型。根据胶结物成分划分为粘土质粉砂岩、铁质粉砂岩、钙质粉砂岩和白云质粉砂岩。黄土也是一种疏松的或半固结的粉砂质沉积物。粉砂岩多形成于河漫滩、三角洲、潟湖和海洋的较深水部位。
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