Finger Rafting : Rafted ice in which two sheets alternately override each other along their common boundary. Predominant feature for thin ice sheets, but can be identified with most first year compression ridges. (Bul 2N)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}