Calcari Grigi di Noriglio Formation

{{Short description|Geological formation in Italy}}

{{Infobox rockunit

| name = Calcari Grigi di Noriglio Formation

| image = Affioramento calcari02.jpg

| caption = Outcrop

| type = Geological formation

| age = Hettangian-Sinemurian, Early Jurassic

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| country = Italy

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| subunits = Monte Zugna Formation

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The Calcari Grigi di Noriglio Formation is a geological formation in Italy, dating to roughly between 200 and 190 million years ago and covering the Hettangian to Sinemurian stages of the Jurassic Period in the Mesozoic Era. Fossil prosauropod tracks have been reported in the formation.Weishampel, et al. (2004). "Dinosaur distribution." pp. 517–607.