sandstones

For gas bearing sandstones , Lame constant will reduce and shear modulus increase.

获得了莺歌海盆地砂岩纵、横波速度关系.

The porous media used are man-made sandstones and the penetrating liquids are oil and water.

实验采用的多孔介质为人造石英砂岩,渗流液体为油和水.

The fossils at Dinosaur Cove are embedded in hard sandstones.

恐龙峡谷中的化石都嵌在坚硬的砂岩中。

The average reflectance of vitrinite of outcrop sandstones is not large difference from core sandstones '.

露头砂岩与岩芯砂岩的镜质体反射率无较大差别.

These sandstones are interpreted as having originally been point bar deposits.

这些砂岩在成因上被解释为点沙坝沉积.

The data show that maximum oil saturation of sandstones is directly proportional to their porosity.

对这些数据的统计分析表明,不同润湿性砂岩孔隙度与最大含油饱和度大致存在线性定量关系.

Such sandstones should have similar angular relations to the strike valleys.

这种砂岩体与走向谷之间与有类似的交角关系.

Alternating sandstones and shales are regarded as important.

蚀变的砂岩和页岩是很重要的.

The coarsest sandstones intercalated with grey mudstones.

最粗粒砂岩与灰色泥岩成互层.

Sandstones are, as a rule , interbedded with shales.

砂岩通常都与页岩互层.

It intruded Eocene sandstones.

它侵入始新世砂岩.

Well-sorted quartz sandstones are generally not very abundant.

分选良好的石英沙岩一般并不十分丰富.

Normally tan to reddish sandstones are bleached.

黄褐色至浅红色的砂岩通常是褪色的.

Sands lithify into sandstones.

砂经过石化而成砂岩.

Any of various dark gray sandstones that contain shale.

杂砂岩任何含有页岩的多种黑灰色砂岩之一.