Glaciers Deserts and Wind

Front

A thick ice mass that moves slowly over the land surface.

Back

glacier

Front

Ice masses that slowly advance down valleys that were originally occupied by streams.

Back

valley glacier

Front

Enormous ice masses that flow in all directions and cover everything but the highest land.

Back

ice sheet

Front

The material deposited directly by a glacier as it melts and drops its load of rock debris.

Back

till

Front

Sediment laid down by glacial meltwater.

Back

stratified drift

Front

When glaciers melt, they can leave layers or ridges of till.

Back

moraine

Front

A cone of debris left when a desert stream flows out of a canyon, loses speed, or quickly dumps its sediment.

Back

alluvial fan

Front

After a heavy rain/snowmelt in the mountains, streams may flow across alluvial fans to the center of the basin. They only last a few days or a few weeks. What is this phenomenon called? Options: stratified drift, till, moraines, playa lake

Back

playa lake

Front

The lifting and removal of loose particles such as clay and silt.

Back

deflation

Front

The creation of a stony surface layer when all the sand and silt are removed and only coarse particles remain.

Back

desert pavement