紫红色砂岩

铜川紫红色软砂岩冻结效应实验CT识别

The CT Identification of Tongchuan Purple Soft Sand Rock Under Frozen Effect

龙潭大峡谷长12千米，这个U型峡谷因紫红色的石英砂岩条纹而著称，人称“中国第一峡谷。”

This 12-kilometer , U-shaped valley marked by a stripe of purplish red quartz sandstone has earned the name , " The No.1 Valley of Narrow Gorges in China . "

隧道主要通过三迭系、二迭系紫红色软质砂岩、泥岩岩层。

It passes mainly through the purple & color soft sandrock and mudstone in Triassic or Dyas Systems .

梅江盆地叶塘组紫色岩上发育土壤的物理性质研究隧道主要通过三迭系、二迭系紫红色软质砂岩、泥岩岩层。

Research on the Physical Properties of Soil Developed from Purple Sandstone ( K_ ( yt ) ~ 2 ) in Meijiang Basin It passes mainly through the purple & color soft sandrock and mudstone in Triassic or Dyas Systems .

湖南省区域内存在着大量的晚白垩系及早第三系陆相沉积的红色、褐红色、紫红色泥质粉砂岩、泥岩等地层，工程领域将此种地基称为红层地基。

There are a lot of red , maroon or claret politic siltstone and mudstone deposited in continental facies at late-cretaceous System and tertiary in Hunan province . The foundation is called " Red beds foundation " in engineering field .