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Major Physical Features of North America - Coggle Diagram
Major Physical Features of North America
Canadian Shield - Horse shoe shaped
Labrador Plateau (Worlds oldest rock block)
Five Lakes (HOMES)
The Great Bear Lake - largest shield lake
Churchill River
Nelson River
Stretches to 5 lakes
Highly rugged and snow covered
Pre-Cambrian Igneous and Metamorphic rocks
Western Cordilleras
Mt. McKinley (Highest peak)
Sierra Madre (active volcano)
Grand Canyon - in the vicinity of Colorado plateau by erosion of Colorado river and structural movements of Earth
Deserts - Sonoran , Mojave , Chihuahuan
Great Basin also a part
Eastern Highlands (Appalachians )
Mt Mitchell (2,037 m)
Mountains merge into eastern coastal plains through piedmont plateaus from where rivers fall abruptly known as Fall Line (Sheet of falls)
consists of low mountain ranges - elevation 1000m , Chic Choc Mountains and Blue Ridge
Central Lowlands (Interior lowlands) - saucer shaped
Prairies in north between Rocky Mountains and Great Lakes
Alluvial Plains in Mississippi- Missouri in centre with delta at Gulf of Mexico
Great plains- in west slightly higher elevation and more or less scrub land
Soft sedimentary rocks and flat surface with glacial sediments