2 Comments rbx — August 1, 2011 @ 5:28 pm Are those layers of ice under the gravel? If so, I wonder why is there such a thick layer of gravel on top of the current layer of ice but almost none between older layers? Reply Matt — August 2, 2011 @ 7:12 am It is ice under the gravel. This is actually in a river bed, with many many braided channels. (The Canning River.) Reply
Are those layers of ice under the gravel?
If so, I wonder why is there such a thick layer of gravel on top of the current layer of ice but almost none between older layers?
It is ice under the gravel. This is actually in a river bed, with many many braided channels. (The Canning River.)