|Image Name||Width x Height||Size|
|SIA3808.jpg||640 x 442||109K|
|SIA3808.jpg||1200 x 828||337K|
|SIA3808.jpg||3888 x 2683||2M|
This road cut has exposed ash beds displaying various polygon forms and rust colored bands having a bull's-eye appearance. The rust color is from iron oxide that has seeped into the ash through fractures. This concentric color ring effect is called diffusion bands.