Chinitna Formation

{{Short description|Geologic formation in Alaska, United States}}

{{Infobox rockunit

| name = Chinitna Formation

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| type = Formation

| age = {{Fossilrange|Bathonian}}

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| region = Alaska

| country = United States

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| overlies =Tuxedni Formation

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|period=Bathonian}}

The Chinitna Formation is a geologic formation in Alaska. It preserves fossils dating back to the Jurassic period.