Scotch Grove Formation

{{Short description|Geologic formation in Iowa, United States.}}

{{Infobox rockunit

| name = Scotch Grove Formation

| image =

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| type = Formation

| age = Silurian

| prilithology = dolomite

| otherlithology = Chert

| namedfor = Scotch Grove Township, Jones County, Iowa

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| region = Iowa

| country = United States

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| underlies = Gower Formation

| overlies = Hopkinton Formation

| thickness =

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The Scotch Grove Formation is a geologic formation in Iowa. It preserves fossils dating back to the Silurian period.Anderson, Wayne I.; Iowa'S Geological Past: Three Billion Years Of Change, University Of Iowa Press, 1998, p. 121-122 {{ISBN|978-0877456407}}