Palaeocurrent measurements suggest a northward direction,indicating that the Kunlun area was at low elevation.

中新世的沉积以细颗粒泥岩和岩为主，表明物源较远 ，流域坡度较小，搬运距离较长。

The platform foreslope is composed of the dark grey and celadon calcareous mudstone,siltstone,sandstone intercalated with limestone conglo...

内陆棚以深灰、灰绿色灰质泥岩夹浅灰色质、灰质纹层或条带为特征,并编制了该塔木组的岩相理图。

Kapeng syderolite deposit is large,occurred in purple clayey ferruginous mudstone and grey-green clayey shale of Lower Silurian series.

卡棚大陶土矿主要赋存于志留系下统红色粘土质含铁泥岩和灰绿色粘土质页岩中,分上下2个含矿岩系,4个矿层。

Nonsandstone reservoirs between salt beds of Qianjiang Formation in the Qianjiang Sag of the Jianghan Basin are mainly composed of dolomicrite,glauberite rock,mudstone and their peperite.

组成江汉盆潜江凹陷潜江组盐间段非岩储层的岩石主要为泥晶白云岩、钙芒硝岩、泥岩及其混积岩,孔渗性普遍较差。

And the boundary of them has the same lithologic character: the ravinement surface of river course or exposure mudstone of flooding plain and root clay.

二者的界面是相同的,均为河道体底部的冲刷侵蚀面或者是暴露过泛滥平原泥岩、根土岩等。

In the case of mudstone to be a source rock, the uncompacted mudstone would have a strong capability of hydrocarbon concentation sealing to seal gas in diffusive phase.

本文在研究盖层封闭油气机理的基础上,分析了欠压实泥岩在封益油气中的作用。