Definition of footwall in English:

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footwall

Pronunciation: /ˈfo͝otwäl/

noun

Geology
The block of rock that lies on the underside of an inclined fault or of a mineral deposit.
Example sentences
  • They contain kilometre-scale blocks of igneous basement rocks, plucked by the rising diapir from the footwall of the fault.
  • As a result, Triassic rocks in the hanging wall thrust onto Upper Cretaceous rocks in the footwall.
  • 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.

For editors and proofreaders

Syllabification: foot·wall

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