Global Volcanism Program | Image GVP-03612
A large ejected block lies on the rim of Trebol maar in the NW part of the Pinacate volcanic field, immediately SE of Macdougal maar. The scale in front of the block has dark- and light-colored bars that mark 10 cm increments. The block fractured into three large segments following impact.
Photo by Richard Waitt, 1988 (U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.
Galleries: Ballistic Ejecta