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Valleys - Coggle Diagram
Valleys
River Valley
Formed by erosive
action of water
Many civilizations
developed
V-shaped with
steep walls
Deep ones are
referred to as
canyon/gorge
Brahmaputra Valley(India)
Rift valley
Caused by
movement of tectonic plates
elongated stretch of land
between several highlands
Found on land+ocean
Eg: Baikal Rift Valley (Russia)
Great Rift Valley (Kenya)
Narmada Valley (India)
Glacial valley
Formed due to
melting of snow from
glaciers
Wider& flat bottoms
U-shaped contour
Eg:Grand Canyon (USA)
Flat floored valley
rivers erode across
valley's edges resulting
in a flat floor across a
area of depression
U-shaped
adapted to agriculture
Nile river valley (Egypt)