Chalk Hills Formation

Chalk Hills Formation
Chalk Hills Formation
Stratigraphic range: Neogene
Type	Formation
Location
Region	Idaho
Country	United States

Last updated June 29, 2025

The Chalk Hills Formation is a geologic formation in Idaho. It preserves fossils dating back to the Neogene period. It was deposited by Lake Idaho.^[1]

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.

↑ Wood, Spencer H.; Clemens, Drew M. (July 1998). "Geologic and Tectonic History of the Western Snake River Plain, Idaho and Oregon" (PDF). Idaho Geological Society Bulletin. 30: 69–103.

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[:0-1] Wood, Spencer H.; Clemens, Drew M. (July 1998). "Geologic and Tectonic History of the Western Snake River Plain, Idaho and Oregon" (PDF). Idaho Geological Society Bulletin. 30: 69–103.

[1]

Chalk Hills Formation

See also

References