frost mound

frost mound

[′frȯst ‚mau̇nd]
(geology)
A hill and knoll associated with frozen ground in a permafrost region, containing a core of ice. Also known as soffosian knob; soil blister.
References in periodicals archive ?
They include such structures as icing blister, frost mound, paisa, lithalsa, peat plateau, and pingo.