- Sort:
- Most Popular | Most Recent
-
Road cuts on Syskiyou Summit on Interstate 5 a few miles north of the California-Oregon border beautifully expose the volcaniclastic Colestin formation. The Colestin formation is early Oligocene (~34-28 Ma) in age and represents volcanic and depositional events closely following the initiation of Cascade volcanism. Clo...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 125
- Explore Score
- 1

