Glacier Studies 101 - Class # 3

This is an example of an ancient tidewater glacier. Please note the deep blue of the ice indicating that it has very little air remaining in it. This ice is extremely hard and approaches the strength of solid rock. Once again, the darker surface colour is crushed rock. We helicoptered onto the surface of the glacier and very few of the other tourists found it amusing when I ran around asking "Did you feel that? It moved!"
The vignetting in the corners of the photograph is caused by using a cheap wide-angle lens.