Video: Clastic Dikes in Umatilla Basin Gravel Pit
- Skye Cooley
- Feb 18, 2015
- 1 min read
Updated: Jun 14, 2022
Large outcrops are hard to come by in the Umatilla Basin. Here we check out clastic dikes in coarse Missoula flood deposits exposed in an ODOT gravel pit located off Hwy 74 in the Willow Creek valley.
See the YouTube video here: