frost thrusting

frost thrusting

[′frȯst ‚thrəst·iŋ]
(geology)
Lateral dislocation of soil and rock materials by the action of freezing and resulting expansion of soil water.
References in periodicals archive ?
REGARDING the story about parents challenging a school's ruling that boys must wear short pants whatever the weather, I can still recall the disturbing feeling of Jack Frost thrusting icy fingers up my leg on free zing winter mornings when I was at school.