foot·wall 
(ftwôl′)
(ftwôl′)n.
Geology
Geology
1. The mass of rock underlying a mineral deposit in a mine.
2. The underlying block of a fault having an inclined fault plane.
| 单词 | footwall |
| 释义 | foot·wall (ftwôl′)n. Geology 1. The mass of rock underlying a mineral deposit in a mine. 2. The underlying block of a fault having an inclined fault plane. |
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