gravity fault
noun
,
Geology
1.
a fault along an inclined plane in which the upper side or hanging wall appears to have moved downward with respect to the lower side or footwall (opposed to
reverse fault
).
Also called
normal fault
.
British Dictionary definitions for
gravity fault
gravity fault
noun
1.
a fault in which the rocks on the upper side of an inclined fault plane have been displaced downwards; normal fault