English: Anatomy of a frost heave during spring thaw. The side of a 6-inch (15-cm) heave with the soil removed to reveal (bottom to top):
1. Needle ice, which has extruded up from the freezing front through porous soil from a water table below
2. Coalesced ice-rich soil, which has been subject to freeze-thaw
3. Thawed soil on top.
Photograph taken 21 March 2010 in Norwich, Vermont.
Deutsch: Querschnitt eines Bodens mit Frosthub von 15 Zentimetern, unten eine große Eislinse aus Kammeis (1.), darüber gefrorener Boden mit weiterem Segregationseis in Form kleinerer Eislinsen (2.), oben der aufgetaute Boden (3.). Aufgenommen im Frühling in Norwich im US-Bundesstaat Vermont.
{{Information |Description=Anatomy of a frost heave during spring thaw. The side of a 6-inch (15-cm) heave with the soil removed to reveal (bottom to top): 1. Needle ice, which has extruded up from the freezing front through porous soil from a water table