Shelf ice

Shelf ice along the southern Lake Michigan Shoreline at Indiana Dunes National Park

Shelf ice is ice that forms when a portion of a lake surface freezes. It is often then washed upon the shore. The phenomenon is common within the Great Lakes.[1]

  1. ^ Hillman-Rapley, Lynda (2017-02-03). "Walking on shelf ice can be deadly". Exeter Lakeshore Times-Advance. Retrieved 2020-02-05.