footwall


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foot·wall

 (fo͝ot′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
(Geological Science) the rocks on the lower side of an inclined fault plane or mineral vein. Compare hanging wall

foot•wall

(ˈfʊtˌwɔl)

n.
1. the top of the rock stratum underlying a vein or bed of ore.
2. a mass of rock lying beneath a fault plane.
[1640–50]

foot·wall

(fo͝ot′wôl′)
The block of rock lying under an inclined fault. See more at fault. Compare hanging wall.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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"
References in periodicals archive ?
This drift will offer first-time underground drill access to facilitate further definition of the parallel Footwall Zone and to improve the present resource in the Copperstone Zone.
As part of the first phase, the company has allocated about 15,000 feet of drilling, with the goals of further defining the parallel Footwall Zone and increasing the existing resource in the Copperstone Zone.
Drilling into the newly discovered, west-dipping Lower Phoenix Footwall structure intersected record high-grade gold mineralization of 1,429 g/mt of gold over 15.
Skeenas Chairman Ron Netolitzky stated, The 2016 drill program successfully tested several promising high-grade targets away from the historical mine workings including the new 200 Footwall Zone.
In the immediate footwall of the Main Central thrust, peak temperatures average 550 degrees C.
Lake Shore Gold will explore vein zones on the property rather than just the ultramafic and footwall zones which represent nearly 90 per cent of the property's mineralization thus far, Booth says.
The 3,968-m drill program in 39 holes was designed to explore and define new footwall mineralized zones encountered in recent underground development and to provide deeper in-fill definition information on the Magistral Norte deposit to facilitate long range mine planning.
The underground development at both the Levack Footwall Deposit and the Podolsky Mine's 2000 Deposit will also continue as planned.
Combined with the eventual production of the Podol-sky mine and the Levack Footwall deposit, FNX is slated to see an additional 4,500 tons per day by no later than 2009, Makuch says.
Gold mineralization primarily occurs within multiple quartz carbonate brecciated zones within bleached units of variolitic mafic volcanics and other parallel footwall zones.