sedimentary layer meaning in English
沉积层
Examples
- The basalts were intruded by numerous silica dykes , some of which terminate in the sedimentary layers
玄武岩被无数的二氧化硅矿脉侵入,其中一些终止于沉积岩层 - The unearthed remnants were plentiful , should be a secondary soil sedimentary layer after some houses were abandoned
出土遗物丰富，应为房屋废弃后的二次堆积土层。 - At the depth of 50 cm , there appears to be large amounts of cement , rocks and piles of red bricks belonging to a secondary sedimentary layer
地表下约50公分出现大量砂岩砾石与堆积零乱的红砖块，属于二次堆积地层。 - Our initial probes suggested that a relatively thin sedimentary layer , which is black in color , would be the most promising for finding a variety of microfossils
我们的初步探查显示，有一层黑而薄的沉积，最有希望找到各式各样的微化石。 - The coarser sedimentary layers reflect the period of warm and wet climate , during which the natural runoff of weihe river violently rose , the speed of flow increased and the flood easily occurred ; on the contrary , the finer sedimentary layers reflect the period of cool and dry climate , during which the natural runoff of weihe river fell and the speed of flow slowed
在气候相对温湿、降水量较大的时期，渭河水动力条件增强，流量增大，流速加快，出现粒度明显变粗的沉积夹层，此时也是洪水多发时期；而在气候相对凉干、降水量较少的时期，渭河水动力条件减弱，流量减少，流速变慢，因此出现粒度明显变细的沉积夹层。