古河道 meaning in Chinese
fossil river course
Examples
- Channels are incised by streams into the underlying red siltstones .
古河道由水流切割而侵入下伏的红色粉砂岩中。 - Test study on remote sensing archaeology of ancient river course and city in kaifeng
开封市古城址和古河道遥感考古试验研究 - Application of multi - attribute analysis to the identification of river palaeochannel in the thin interbeded reservoir
多属性分析技术在薄互层条件下识别古河道的应用 - Large scale salt - water intrusion has been occurred since late 1970 ' s due to freshwater exploitation by human activity
20世纪70年代末期以来，随着对地下淡水的过度开采，淡咸水水头压力差减小，卤水通过古河道砂层快速南侵。 - This paper introduces some effective prospecting methods including geologic , geochemical and geophysical , and drilling methods according to basic characteristics of paleochannel sandstone - type uranium deposit
鉴于古河道砂岩型铀矿的特征，本文介绍了几种主要的地质、物化探及钻探等勘查方法。