| Graylock Formation | |
|---|---|
| Stratigraphic range: Jurassic | |
| Type | Formation |
| Location | |
| Region | Oregon |
| Country | United States |
The Graylock Formation is a geologic formation in Oregon. It preserves fossils dating back to the Jurassic period.
 | This article about a specific stratigraphic formation in Oregon is a stub. You can help Wikipedia by expanding it. |
