Curved Breccia Formation

Trail Thoughts and Musings

This formation is often mistaken for a lava flow. It is actually breccia which has eroded along curved joints. So much rock has eroded from the original 8,000 foot volcano that most of the features of the lava flows and cones have been washed away.

Werner Hager at
Last updated January 17, 1997.
Copyright 1996 by Werner W. Hager and Micromoms. All rights reserved.