The Sadlerochit Group (formerly the Sadlerochit Formation) is a
geologic formation in
Alaska. It is the main source of oil and gas for the
Prudhoe Bay Oil Field.
It preserves
fossils
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...
dating back to the
Permian period.
See also
*
List of fossiliferous stratigraphic units in Alaska
*
Paleontology in Alaska
References
Permian Alaska
Permian northern paleotemperate deposits
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