Kasha-Katuwe Tent Rocks National Monument
The Kasha-Katuwe Tent Rocks National Monument (BLM Rio Puerco Field Office) is a remarkable outdoor laboratory, offering an opportunity to observe, study, and experience the geologic processes that shape natural landscapes.

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. www.blm.gov/nm/tentrocks
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