Weston Flags Formation

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{{Infobox rockunit

| name = Weston Flags Formation

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| type = Geological formation

| age = Darriwilian

| period = Ordovician

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| region = England

| country = United Kingdom

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| underlies = Betton Shale Formation

| overlies = Stapeley Volcanic Formation and Hope Shale Formation

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The Weston Flags Formation is a geological formation in Shropshire, England.{{Cite journal |last=Toghill |first=P. |year=2008 |title=An introduction to 700 million years of earth history in Shropshire and Herefordshire |url=http://www.shropshiregeology.org.uk/sgspublications/Proceedings/2008%20No_13%20003%20Toghill%20Introduction.pdf |journal=Proceedings of the Shropshire Geological Society |volume=20 |issue=13 |pages=8–24}} It preserves fossils dating back to the Darriwilian stage of the Ordovician period.{{Cite web |url=https://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=WSN |title=Weston Flags Formation |last=British Geological Survey |date=26 July 2019 |website=BGS Lexicon of Named Rock Units}}