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Land Feature Paper

The Pacific Northwest is the most volcanically active regions in the United States. It consists of several volcanic peaks which stretch all the way from Canada to northern California. Falling in this region is the southwester territory of Washington State, which has witnessed some of the most spectacular volcanic activities in recent times. Mount St. Helens, which erupted in 1980, is located in this region (Harris, 2005). The volcanic eruptions in this region result from plate tectonic movements.
The plate tectonic theory is based on the postulation that the Earth’s outer layer, lithosphere, is composed of several plates. Continue reading...

The Grand Canyon is one of the most stunning natural wonders of the world. It is a collection of mighty rock formations carved roughly by the Colorado River millions of years ago. Geologists estimate that the majestic Grand Canyon is nearly 450 kilometers long (280 miles) and almost 2 kilometers deep, equivalent to one mile (Grolier’s Student Encyclopedia, 2004, p. 44). Its peaks and gorges vary in width (Wenk, 2010, p. 19-20). As the Colorado River cut deeply, it created huge dents called ‘gorges’ on the surface of the rocks, which eventually exposed the buried fossils of ancient Continue reading...