underthrust
[ uhn-der-thruhst ]
/ ˈʌn dərˌθrʌst /
noun Geology.
a thrust fault in which the footwall moved and the hanging wall did not (opposed to overthrust).
Words nearby underthrust
undertaker,
undertaking,
undertenant,
underthings,
underthroating,
underthrust,
undertime,
undertint,
undertone,
undertook,
undertow
British Dictionary definitions for underthrust
underthrust
/ (ˈʌndəˌθrʌst) /
noun
geology
a reverse fault in which the rocks on the lower surface of a fault plane have moved under the relatively static rocks on the upper surface
Compare overthrust