Talkeetna Formation
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| Talkeetna Formation | |
|---|---|
| Stratigraphic range: Sinemurian-Toarcian ~ | |
 Map of the region around Mount Redoubt; Jtk is the Talkeetna Formation (around the estuary of the Drift River) | |
| Type | Formation |
| Lithology | |
| Primary | Sandstone |
| Other | Siltstone |
| Location | |
| Coordinates | 57°42′N 155°24′W / 57.7°N 155.4°W |
| Approximate paleocoordinates | 10°48′N 82°18′W / 10.8°N 82.3°W |
| Region | Alaska |
| Country | United States |
| Type section | |
| Named for | Talkeetna Mountains |
The Talkeetna Formation is a geologic formation in Alaska. It preserves fossils dating back to the Early Jurassic period.[1]