The Kasha-Katuwe Tent Rocks National Monument, New Mexico. The cone-shaped tent rock formations are the products of volcanic eruptions that occurred 6 to 7 million years ago and left pumice, ash and tuff deposits over 1,000 feet thick.
The Kasha-Katuwe Tent Rocks National Monument, New Mexico. The cone-shaped tent rock formations are the products of volcanic eruptions that occurred 6 to 7 million years ago and left pumice, ash and tuff deposits over 1,000 feet thick.
