Global Volcanism Program | Image GVP-07578
A mostly Pliocene volcanic field is located near the town of Los Volcanes, at the southern end of the Atenguillo graben in the Jalisco tectonic block of western México. This photo shows an eroded andesitic center near the town of Los Volcanes. The 285 sq km volcanic field consists of lava cones and flat-topped lava flows overlying Cretaceous ignimbrites. The extensional tectonic setting of Los Volcanes, which is situated in a graben of the Jalisco block, has resulted in the eruption of a wide variety of lava types.
Photo by Paul Wallace, 1998 (University of California Berkeley).
This image is made available under the Creative Commons BY-NC-ND 4.0 license terms.