Home›Valleys›Rock TypeBrowse ByRock TypeFactsRock TypeSourcesComments (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. 1Rock TypeFilter Results12 entriesFormation FamilyAllValleys of Asia (2)Valleys of Central and Western Europe (4)Valleys of Eastern Europe and the Balkans (3)Valleys of Europe (9)Valleys of North America (7)Valleys of Oceania (2)Valleys of South America (2)Valleys of Southern and Western Europe (1)Valleys of the British Isles (5)Formation TypeAllValleys of Asia (2)Valleys of Central and Western Europe (4)Valleys of Eastern Europe and the Balkans (3)Valleys of North America (7)Valleys of Oceania (2)Valleys of South America (2)Valleys of Southern and Western Europe (1)Valleys of the British Isles (5)WhereAllAustralia (2)Bolivia (1)Canada (1)Chile (1)France (1)Germany (4)Jordan (2)Latvia (3)Mexico (2)Saudi Arabia (2)Switzerland (4)United Kingdom (5)United States (5)Formed By (Process)AllErosion (11)Protected StatusAllLocally or Regionally Protected (5)National Park or Reserve (5)UNESCO World Heritage Site (4)Visitor AccessAllOpen (2)DisciplineAllGeomorphology (12)ColourAllBlue or Purple (1)Brown (4)Colourless or White (3)Green (2)Grey or Black (6)Orange or Yellow (2)Red or Pink (2)Hardness (Mohs)All7 (1)KindAllRock (12)LustreAllPearly (1)Vitreous (2)RarityAllAbundant (3)Common (3)Show ResultsBrowseCompareAndesiteRock Type1 entryBasaltRock Type2 entriesConglomerateRock Type4 entriesDolomiteRock Type1 entryGneissRock Type1 entryGraniteRock Type3 entriesLimestoneRock Type7 entriesMarlRock Type1 entryMudstoneRock Type1 entryQuartziteRock Type2 entriesSandstoneRock Type11 entriesShaleRock Type4 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.