Duck Creek Formation

{{Short description|Geologic formation in Texas, United States}}

{{Infobox rockunit

| name = Duck Creek Formation

| image = Eopachydiscus marcianus fossil ammonites (Duck Creek Formation, mid-Cretaceous; Spring Creek, Cook County, Texas, USA) (15237464641).jpg

| caption = Ammonites from the Duck Creek Formation

| type = Formation

| age = Cretaceous

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| region = Texas

| country = United States

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| unitof = Washita Group

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The Duck Creek Formation is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period.