Devils Tower is defined as "a monolith (more technically, an igneous intrusion) or volcanic neck" located near Hulett and Sundance in eastern Wyoming. It can be seen from miles away as you approach.
The terrain all around Devils Tower is sandstone. Oxidation of iron minerals causes the red color.
|Devils Tower is a steep-sided igneous body and, possibly, an erosional remnant of a volcanic neck. It is made of magma that solidified at a shallow level (about 700 to 3,000 feet) below the surface. Erosion then stripped the overlying layers of rock away. The rock at Devils Tower is about 40 million years old. The softer sandstone weathered away over the years to leave the Tower standing alone. Other geologists think that the magma penetrated to the surface as an explosive volcano and that what you see here is the neck or plug; all else having eroded away.|
|The Indian tribes in the area had another story about the creation of Devils Tower. In Kiowa Indian mythology it was said that: Once upon a time seven little girls were playing in the woods far from home and they came upon some bears that chased after them. They found refuge on a great rock, that rose into sky with them on it, making them into stars. The bears tried to pursue them, but all their efforts were in vain. You can still see the struggle and their claw marks in the rock that makes up Devil's Tower. The Kiowa name for this place is Bear's Lodge.|
I tend to like the Indian story better but then I am a little prejudiced. Either way, it will be worth your time to see Devils Tower.