footwall
美['fʊtˌwɔːl] 英['fʊtwɔːl]
n. 〈地质〉矿藏底石；底壁；下盘
英英释义
Noun- the lower wall of an inclined fault
例句
- A vertical fault has neither a footwall nor a hanging wall. 具有直立断层面的断层既无上盘，也无下盘。
- As a result,the new scheme of sublevel caving with footwall drifts,is raised. 为此，提出自放顶、设回收进路的无底柱分段崩落法新方案，实施后成效显著。
- The influence of mining and seepage on footwall rocks is analyzed by the... 在此基础上,进行了采动和渗流对煤层底板岩体稳定性影响的有限元分析计算。
- In structural geology the relative movement of the banging wait and footwall is a major factor to classify various faults. 在构造地质学中，断层上盘和下盘的相对位移运动特征是划分各种类型断层的一个主要因素。
- The exploration experience of the Los Angeles basin demonstrates that the footwall fault traps can have very significant reserves. 洛杉矶盆地的勘探实践说明断层下盘圈闭有时也能含有很可观的储量。
- If the relative movement of hanging wall and footwall is parallel to the strike of fault plane, it is a strike slip fault. 如果断层上盘和下盘的岩石相对位移运动是平行断层面走向的，这种断层称为走滑断层。
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