Chihuahuan Desert Nature Park
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Stop 8
Geomorphology

Alluvial fan gently slopes eastward from the  Dona Ana Mountains.
This fan-piedmont gently slopes eastward from the Doña Ana Mountains.
The land surface is sculpted through time by wind, water, and earthquakes. Landscapes with similar shapes, the same origin and the same age are called geomorphic surfaces.  For example, the fan-piedmont (in the photo to the right) is a gently sloping landform that extends from the base of the Doña Ana Mountains to the basin floor.  The mountains are the source of the gravel, sand, silt, and clay that were carried by water to form the fan-piedmont.
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