Glacial scratches and striations (IMAGE)
Caption
Glacial scratches and striations carved by direct glacial action onto the vertical walls of the U-shaped valleys seen above. At the background, reddish sedimentary rocks lie upon these vertical straited walls.
Credit
Credit: Pierre Dietrich.
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted.
License
CC BY-NC