The Black Mountains, a mid-Miocene formation, in which U.S. State, are a series of rugged, arid rocky volcanic mountains ranging in elevations to 3310 ft, the range lies on the north shore of Lake Mead, the largest reservoir in the United States in terms of water capacity?
Black Mountains (Nevada) The Black Mountains, a mid-Miocene formation, in Nevada are a series of rugged, arid rocky volcanic mountains ranging in elevations to 3310 ft. The range lies on the north shore of Lake Mead, at the southwest corner of the Overton Arm, about 25 mi south of Overton, Nevada.
Glass Buttes Glass Buttes are a group of volcanic mountains made up of two prominent peaks and several smaller hills. They are located in the remote northeast corner of the Lake County between Bend and Burns in central Oregon, United States. Raising high above the high desert plain, the buttes are an important landmark in an area once known as the Oregon’s "Great Sandy Desert". The buttes are named for the numerous large deposits of obsidian found on their slopes. Today, most of the mountains and surrounding land are administered by the Bureau of Land Management. The mountains offer a number of recreational opportunities including rock collecting, hiking, camping, and hunting.