Major Relief Features (Landforms) of Continental Areas - PowerPoint PPT Presentation

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Major Relief Features (Landforms) of Continental Areas

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Major Relief Features (Landforms) of Continental Areas The brown area shows the part of the North American continent that has been stable for over 600 million years. – PowerPoint PPT presentation

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Title: Major Relief Features (Landforms) of Continental Areas


1
Major Relief Features (Landforms) of Continental
Areas
2
The brown area shows the part of the North
American continent that has been stable for over
600 million years. This region is made up of a
basement older Precambrian metamorphic and
igneous rock that is mostly covered by a
relatively thin cover of younger sedimentary
rock. Geologists call these long-stable
continental cores cratons.
3
The Canadian or Laurentian Shield (Craton)
4
Stable Platform area
5
Old Fold Mountains
6
Atlantic Coastal Plain
7
Atlantic Continental Shelf
8
Atlantic Continental Slope
9
Young Fold Mountains Cordillera Accretionary
Belt And Volcanoes
10
Nearby ocean feature - Deep Sea Trench
11
Batholith igneous rock cores to mountain ranges
12
Volcanoes Mount Rainier in the Cascade Range
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