Tarrant Formation

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

{{Infobox rockunit

| name = Tarrant Formation

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| type = Geological formation

| age = Middle Cenomanian

| period = Cenomanian

| prilithology = Calcareous sandstone

| otherlithology = Siltstone, limestone, shale

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| region = Texas

| country = United States

| coordinates =

| unitof = Eagle Ford Group

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The Tarrant Formation is a geologic formation that dates to the Middle Cenomanian stage of the Late Cretaceous.