Home›Valleys›Geological AgeBrowse ByGeological AgeFactsGeological AgeSourcesComments (0)Reader Challenges (0)FactsComparisonFormation OriginWell-attestedA valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. 1Geological AgeFilter Results13 entriesFormation FamilyAllValleys of Eastern Europe and the Balkans (2)Valleys of Europe (11)Valleys of North America (6)Valleys of Oceania (2)Valleys of Peninsular Italy (2)Valleys of Scandinavia (1)Valleys of South America (1)Valleys of Southern and Western Europe (3)Valleys of the British Isles (4)Formation TypeAllValleys of Eastern Europe and the Balkans (2)Valleys of North America (6)Valleys of Oceania (2)Valleys of Peninsular Italy (2)Valleys of Scandinavia (1)Valleys of South America (1)Valleys of Southern and Western Europe (3)Valleys of the British Isles (4)WhereAllArgentina (1)Australia (2)Czechia (1)France (3)Italy (2)Latvia (1)Mexico (1)Norway (1)United Kingdom (4)United States (5)Formed By (Process)AllErosion (12)Protected StatusAllLocally or Regionally Protected (4)National Monument or Landmark (1)National Park or Reserve (5)UNESCO World Heritage Site (1)Visitor AccessAllOpen (2)DisciplineAllGeomorphology (13)Defining EventAllEvolution (5)Glaciation (5)Mass Extinction (7)End (Million Years Ago)All0 (2)0.0117 (1)2.58 (2)201.4 (1)251.9 (1)251.902 (1)298.9 (1)358.86 (1)419.62 (1)443.1 (1)485.4 (1)RankAllEpoch (2)Era (2)Period (9)Start (Million Years Ago)All2.58 (2)5.33 (1)23.04 (1)66 (1)251.902 (1)298.9 (1)358.86 (1)419.62 (1)443.1 (1)486.85 (1)538.8 (2)Show ResultsBrowseCompareCambrianGeological Age1 entryCarboniferousGeological Age5 entriesCenozoicGeological Age1 entryDevonianGeological Age1 entryNeogeneGeological Age1 entryOrdovicianGeological Age3 entriesPaleozoicGeological Age2 entriesPermianGeological Age2 entriesPleistoceneGeological Age3 entriesPlioceneGeological Age1 entryQuaternaryGeological Age2 entriesSilurianGeological Age2 entriesTriassicGeological Age4 entriesSources1. Wikipedia: Valleytier 2WikipediaValley, lead sentenceQuote, Valley, lead sentenceA valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.