In lamina of shale which deposited in deep lake away from paleo-debouchment in the Shahejie Formation in the Jiyang Depression, some aeolian silty sand was discovered.
在济阳坳陷沙河街组远离古河口沉积的页岩纹层中发现了风成粉砂沉积。
It is discovered that the change of wind erodibility of aeolian sand with its grain size complies with discontinuous function, 0.
风成沙广泛分布于我国干旱与半干旱地区，是我国风蚀与风沙活动的主要载体。
The typical aeolian deposit feature of quartz grains in Chishan formation ver.
赤山组石英颗粒具有典型的风成沉积特征,进一步证实了研究区白垩纪沙漠相沉积的存在,对古气候的恢复及油田的下一步勘探开发有重要的理论意义。