Spillville Formation
Stratigraphic range: Devonian
Type	Formation
Location
Country	United States
Extent	Iowa and Minnesota

The Spillville Formation is a geologic formation in Iowa. It preserves fossils dating back to the Devonian period.

See also

References

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

Chronostratigraphy of Minnesota

Q	Glacial and post-glacial unconsolidated deposits

Upper	Coleraine Formation Windrow Formation unnamed Upper? Cretaceous formations, western and southeastern Minnesota

Frasnian	Lithograph City Formation (in part)

Givetian	Coralville Formation Lithograph City Formation (in part) Little Cedar Formation Pinicon Ridge Formation
Eifelian	Spillville Formation

Winnipeg Formation (subsurface only)

Darriwilian	St. Peter Sandstone (in part)

Tremadocian	Oneota Dolomite (Prairie du Chien Group) Shakopee Formation (Prairie du Chien Group)

Furongian	Davis Formation Jordan Sandstone Lone Rock Formation (Tunnel City Group, former Franconia Formation) Mazomanie Formation (Tunnel City Group, former Franconia Formation) St. Lawrence Formation Wonewoc Sandstone (Galesville Sandstone in part, all Ironton Sandstone)
Series 3	Bonneterre Formation Eau Claire Formation Mt. Simon Sandstone Wonewoc Sandstone (Galesville Sandstone in part)

Y	Fond du Lac Formation Hinckley Sandstone North Shore Volcanic Group Puckwunge Conglomerate Solor Church Formation (subsurface only)
X	Biwabik Formation Gunflint Formation Kakabeka Formation Mahnoman Formation Pokegama Formation Rabbit Lake Formation Rove Formation Sioux Quartzite Thomson Formation Trommald Formation Virginia Formation

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