Rock pinnacles in Chiricahua National Monument, Arizona, USA, along Echo Canyon Trail. These formations result from erosion of relatively soft tuff (compacted volcanic ejecta), and begin forming when vertical erosion cracks develop in tuff layers. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dimijian, Gregory G. |
Taille de l’image : | 5760 px × 3840 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |