Talkeetna Formation

The Talkeetna Formation is a geologic formation in Alaska. It preserves fossils dating back to the Early Jurassic period.^[1]

Talkeetna Formation
Stratigraphic range: Sinemurian-Toarcian ~199–175 Ma PreꞒ Ꞓ O S D C P T J K Pg N
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	57.7°N 155.4°W / 57.7; -155.4
Approximate paleocoordinates	10.8°N 82.3°W / 10.8; -82.3
Region	Alaska
Country	United States
Type section
Named for	Talkeetna Mountains

See also

• List of fossiliferous stratigraphic units in Alaska
• Paleontology in Alaska
• Kingak Shale
• Posidonia Shale