亚洲网紅露点

  • Dictionary
  • 亚洲网紅露点 comparison: hanging wall vs. footwall

hanging wall vs. footwall

hanging wall

noun

  1. Mining. the underside of the wall rock overlying a vein or bed of ore. Compare footwall ( def 1 ).
  2. Geology. a mass of rock overhanging a fault plane.

footwall

noun

  1. Mining. the top of the rock stratum underlying a vein or bed of ore. Compare hanging wall ( def 1 ).
  2. Geology. a mass of rock lying beneath a fault plane.