Marnos FormationGeologic formation in FranceSummaryThe Marnos Formation is a geologic formation in France. It preserves fossils dating back to the Cretaceous period.Originally created by Abyssal7/25/2014, 1:29:53 AMModified11/15/2025, 11:39:55 PMContributorsAbyssalSource: WikipediaView full article↗