Digital Library Search
![Parallel ridges with huge blocks of blue green ice thrown up arct0395.jpg Parallel ridges with huge blocks of blue green ice thrown up](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_arct0395.jpg?itok=gCJ_Mgxj)
Description
Parallel ridges with huge blocks of blue green ice thrown up. Like thesubduction zones of plate tectonics that build mountain ranges, these featuresare the result of buckling caused by the great pressure of colliding ice floes.Probably second year ice. (Image credit: Collection of Dr. Pablo Clemente-Colon, Chief Scientist National Ice Center)