The block of rock which lies on the underside of an inclined fault or of a vein of mineral.
〔地质〕（倾斜断层或矿脉的）下盘，底帮，底板
Example sentencesExamples
At its southern boundary the terrane lies in the footwall of another north-directed thrust with Dazhuqu terrane ophiolitic rocks or Paleogene Liuqu Conglomerate in the hanging wall.
Anticlinal folds occupy the mutual hanging walls of conjugate fault pairs with synclines occupying mutual footwalls between adjacent pairs.
Normal faulting led to the unroofing of metamorphic rocks in their footwalls.
As a result, Triassic rocks in the hanging wall thrust onto Upper Cretaceous rocks in the footwall.
They contain kilometre-scale blocks of igneous basement rocks, plucked by the rising diapir from the footwall of the fault.
Definition of footwall in US English:
footwall
nounˈfʊtwɑlˈfo͝otwäl
Geology
The block of rock that lies on the underside of an inclined fault or of a mineral deposit.
〔地质〕（倾斜断层或矿脉的）下盘，底帮，底板
Example sentencesExamples
As a result, Triassic rocks in the hanging wall thrust onto Upper Cretaceous rocks in the footwall.
They contain kilometre-scale blocks of igneous basement rocks, plucked by the rising diapir from the footwall of the fault.
At its southern boundary the terrane lies in the footwall of another north-directed thrust with Dazhuqu terrane ophiolitic rocks or Paleogene Liuqu Conglomerate in the hanging wall.
Normal faulting led to the unroofing of metamorphic rocks in their footwalls.
Anticlinal folds occupy the mutual hanging walls of conjugate fault pairs with synclines occupying mutual footwalls between adjacent pairs.