Which one of the following applies to a valley glacier that lengthens (extends its terminus downslope) over a period of many years?
Accumulation exceeds wastage.
A ________ cross-valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers.
Which of the following glacial features would typically be found in close proximity?
hanging valley and truncated spur
What type of moraine would be most useful for tracing diamond-bearing kimberlite fragments directly to their bedrock source area?
lateral, valley or alpine glacier
________ is the best explanation for a glacial surge.
Melting at the base of the glacier resulting in increased rates of basal slip
The ________ of the geologic time scale represents the time of the most recent "Ice Age."
How do icebergs in the North Atlantic Ocean originate?
by calving of large piedmont glaciers in Greenland
What type of moraine is formed by the merging of two lateral moraines at a junction of two valley glaciers?