noun Date: 1860 1. the lower underlying wall of a vein, ore deposit, or coal seam in a mine 2. the lower wall of an inclined fault

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • footwall — [foot′wôl΄] n. the side beneath an inclined fault, vein, lode, or other type of ore body …   English World dictionary

  • footwall — /foot wawl /, n. 1. Mining. the top of the rock stratum underlying a vein or bed of ore. Cf. hanging wall (def. 1). 2. Geol. a mass of rock lying beneath a fault plane. [1640 50; FOOT + WALL] * * * …   Universalium

  • footwall — noun The section of rock that extends below a diagonal fault line (the corresponding upper section being the hanging wall) …   Wiktionary

  • footwall — noun Geology the block of rock which lies on the underside of an inclined fault or mineral vein …   English new terms dictionary

  • footwall — foot•wall [[t]ˈfʊtˌwɔl[/t]] n. 1) min the top of the rock stratum underlying a vein or bed of ore 2) gel a mass of rock lying beneath a fault plane • Etymology: 1640–50 …   From formal English to slang

  • footwall — /ˈfʊtwɔl/ (say footwawl) noun the rock base underlying a mineral vein, reef or fault …   Australian English dictionary

  • footwall — noun the lower wall of an inclined fault • Hypernyms: ↑wall • Part Holonyms: ↑inclined fault …   Useful english dictionary

  • Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… …   Wikipedia

  • Fault (geology) — Part of a series on earthquakes Types Foreshock • Aftershock • Blind thrust Doublet • Interplate • …   Wikipedia

  • Volcanogenic massive sulfide ore deposit — Volcanogentic massive sulfide ore deposit at Kidd Mine, Timmins, Ontario, Canada, formed 2.4 billion years ago on an ancient seafloor. Volcanogenic massive sulfide ore deposits (VMS ) are a type of metal sulfide ore deposit, mainly Cu Zn Pb which …   Wikipedia

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