foot·wall (f t wôl )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. |
footwall [ˈfʊtˌwɔːl]
n
(Earth Sciences / Geological Science) the rocks on the lower side of an inclined fault plane or mineral vein Compare hanging wall
| footwall (ftwôl) The block of rock lying under an inclined geologic fault plane. See more at fault. Compare hanging wall. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | footwall - the lower wall of an inclined fault inclined fault - a geological fault in which one side is above the other wall - anything that suggests a wall in structure or function or effect; "a wall of water"; "a wall of smoke"; "a wall of prejudice"; "negotiations ran into a brick wall" |
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