Bush Bay Formation

{{Short description|Geologic formation in Michigan}}

{{Citations broken|section|date=March 2024}}

{{Infobox rockunit

| name = Bush Bay Formation

| image =

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| type = Formation

| age = Silurian

| period = Silurian

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| region = Michigan

| country = United States

| coordinates =

| unitof = Engadine Group

| subunits =

| underlies = Pointe aux Chenes Formation

| overlies = Rapson Creek Formation

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The Bush Bay Formation is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.

{{Portal|Earth sciences|Michigan|Paleontology}}