A geologist stands on the irregular surface of a lava flow north of Volcán la Morusa, near Cerro Colorado. The flow is one of many young sparsely vegetated basaltic lava flows of the Pinacate volcanic field. Flow morphologies remain pristine for long periods of time in this arid region.

Photo by Jim Luhr, 1996 (Smithsonian Institution).

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Keywords: lava flow | pahoehoe | volcanologist | field work

Pinacate