Silica Formation

{{Short description|Geologic formation in Michigan}}

{{Infobox rockunit

| name = Silica Formation

| image = Silica Formation (Middle Devonian; Benchmark Materials-France Stone Company Sylvania Quarry, Lucas County, Ohio, USA) 5 (48372697116).jpg

| caption = Silica Formation (Quarry in Lucas County, Ohio)

| type = Formation

| age = Devonian

| period = Devonian

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| region = Michigan and Ohio

| country = {{Flag|United States}}

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| underlies = Tenmile Creek Dolomite

| overlies = Dundee Limestone

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The Silica Formation is a geologic formation in Michigan. It preserves fossils dating back to the Devonian period.

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