Moraines - large accumulations of rock debris piled up by glaciers. Sand dunes - hills left behind by the wind. Landforms caused by movement of the Earth's crust Fault - a fracture, or crack, in rocks along which movement has taken place. San Andreas Fault slicing through Carizzo Plain, California. San Andreas Fault near San Francisco.
Death Valley is an example of an area on the Earth that is slowly sinking.
The large block of rock that makes up the floor of Death Valley is slowly tilting as one end sinks, resulting in the lowest place in the Western Hemisphere . More Landforms Look at Explore Landforms in South America . Go to the EarthRISE site , a collection of photos taken by astronauts aboard the Space Shuttle. Use the EarthRISE Form Search to explore a landform of interest to you. Record observations in your Science Journal .