underthrust

un der thrust |ˌəndərˈTHrəst ˌəndərˈθrəst |Geology ▶verb ( past and past participle underthrust ) [ with obj. ] force (a crustal plate or other body of rock ) beneath another plate or block. • be forced underneath (another plate or block ). ▶noun an instance of such forced movement.

underthrust

underthrust |ˈʌndəθrʌst |Geology ▶verb ( past and past participle underthrust ) [ with obj. ] force (a crustal plate or other body of rock ) beneath another formation. • be forced underneath (another formation ). ▶noun an instance of such forced movement.