Liberty Formation

{{short description|Geologic formation in Ohio}}

{{Infobox rockunit

| name = Liberty Formation

| image = Liberty Formation Brookville Indiana.jpg

| caption = Liberty Formation (Upper Ordovician) exposed north of Brookville, Indiana

| type = Formation

| age = Late Ordovician

| period = Late Ordovician

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| region = {{Flag|Ohio}}{{Flag|Indiana}}

| country = {{Flag|United States}}

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| underlies = Saluda Formation and Whitewater Formation

| overlies = Waynesville Formation

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The Liberty Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.

File:Liberty Hardground 090114.jpg from the Liberty Formation of southern Ohio.]]