mudstone

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

卡棚大型紫陶土矿主要赋存于志留系下统紫红色粘土质含铁和灰绿色粘土质页中,分上下2个含矿系,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.

组成江汉盆地潜江凹陷潜江组盐间段非层的主要为云、钙芒硝、及其混积,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、根土等。

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,分析了欠压实在封益油气中的作用。