arenaceous rock meaning in English

砂质岩

The first power station of jinping mountain lies in the west section of the yanglongjiang river from santan to shoupagou gully , with a double - curved arch dam of 305 - meter height and a normal water storage of 1880metres . the exposed strata of the damsite are marbles and arenaceous rocks of triassic and solution fissures have been developed in the marbles of the left - bank ' s dam abutment , and they have become a stratum of strong leakage . as a result , it has been an important problem for the dam foundation to stop leakage
锦屏一级电站位于西雅砻江的三滩至手爬沟河段，坝型为305米高双曲拱坝，正常蓄水位标高1880米。坝址区出露的地层为三叠系杂谷脑组二段大理岩和三叠系杂谷脑组三段的砂板岩。在勘探过程中，发现左岸坝肩大理岩体中的构造裂隙和溶蚀裂隙发育，且成为强渗透地层，为此坝基的防渗成为重要问题。