GeoSnaps - Image of the Day
Geologic snapshots capturing Arizona’s geologic setting and mining history with a picture of the day from 1 January through 31 December 2013.
Check out previous GeoSnaps/Images of the Day.

May 12, 2007 | Grand Canyon, Arizona | An eroded remnant of a cemented breccia pipe in plain view along the South Kaibab Trail, South Rim, Grand Canyon. Breccia pipes are commonly associated with sinkholes formed on the Colorado Plateau and sought after for their concentration of minerals | Photo by Brian F. Gootee